Scholars@Duke
Sajid Umar

Sajid Umar

Adjunct Assistant Professor at Duke Kunshan University
DKU Faculty

Selected Publications

Predominance of reassortant infectious bursal disease viruses in Turkish poultry flocks.

Journal Article Poultry science · December 2025 Infectious bursal disease (IBD), caused by the infectious bursal disease virus (IBDV), is an acute, highly contagious viral infection that severely immunosuppresses poultry, threatening global poultry health and production. The co-circulation of field and ... Full text Cite

Ecological prevalence and genomic characterization of Salmonella isolated from selected poultry farms in Jiangxi province, China.

Journal Article Poultry science · July 2025 Non-typhoidal Salmonella (NTS), particularly antimicrobial-resistant serovars, remains the major source of foodborne bacterial illnesses. Raw chicken is the leading cause of human salmonellosis. In this study, we evaluated the prevalence, antimicrobial res ... Full text Cite

Phylogeny of multiple genomic regions of infectious laryngotracheitis virus in Turkish poultry flocks.

Journal Article Poultry science · May 2025 Infectious laryngotracheitis (ILT) is an economically significant respiratory tract viral disease affecting poultry worldwide. There is a scarcity of data on the types of ILTV strains circulating in Turkey. This study aimed to determine the frequency and g ... Full text Cite

Burden of Common Respiratory Pathogens Among Cats in China.

Journal Article Veterinary medicine and science · January 2025 BackgroundFeline respiratory disease complex (FRDC) is a set of illnesses which are primarily associated with different types of viruses and bacteria. There is scarcity of data on pathogens associated with FRDC in China.ObjectivesThe prim ... Full text Cite

Phylogenetic, clinical, pathological and epidemiological characterization of feline coronavirus infections in cats, in Istanbul

Journal Article Frontiers in Veterinary Science · January 1, 2025 Introduction: Feline coronavirus (FCoV) is a widespread viral infection affecting domestic and wild cats globally, with higher prevalence in young cats and multi-cat environments. Methods: In this study, a total of 208 clinical samples (blood, fecal, ascit ... Full text Cite

Molecular characterization of canine parvovirus type 2 (CPV2) reveals a high prevalence of the CPV2c genotype among dogs suffering from diarrhea

Journal Article Animal Diseases · December 1, 2024 Canine parvovirus 2 (CPV-2) is a highly contagious virus in dogs that typically causes hemorrhagic enteritis and a high mortality rate in unvaccinated puppies. The genetic variability and antigenic diversity of CPV-2 hinder its effective prevention of infe ... Full text Cite

First Report of Influenza D Virus in Dairy Cattle in Pakistan.

Journal Article Viruses · November 2024 Influenza D virus (IDV) is a newly emerged zoonotic virus increasingly reported worldwide. Cattle are considered the main reservoir of IDV, although it was first isolated from pigs. IDV infects multiple animal species and contributes to the bovine respirat ... Full text Cite

Genetic analysis of feline parvovirus reveals predominance of feline parvovirus-G1 group among cats in China.

Journal Article The Journal of veterinary medical science · September 2024 Feline parvovirus (FPV) or feline panleukopenia virus is a highly contagious, life-threatening infectious virus in cats. Although FPV vaccination is routinely practiced in China, clinical diseases continue to occur. The investigation of genotypes and viral ... Full text Cite

First report of molecular epidemiology and phylogenetic characteristics of feline herpesvirus (FHV-1) from naturally infected cats in Kunshan, China.

Journal Article Virology journal · May 2024 BackgroundFeline herpesvirus type 1 (FHV-1) is a life threatening highly contagious virus in cats and typically causes upper respiratory tract infections as well as conjunctival and corneal ulcers. Genetic variability could alter the severity of d ... Full text Cite

SARS-CoV-2 Reverse Zoonosis Among Cats in China: A One Health Investigation.

Journal Article Influenza and other respiratory viruses · May 2024 Full text Cite

Molecular epidemiology and phylogenetic analysis of feline calicivirus in Kunshan, China.

Journal Article Virology journal · February 2024 Feline calicivirus (FCV) is a highly contagious virus in cats, which typically causes respiratory tract and oral infections. Despite vaccination against FCV being a regular practice in China, new FCV cases still occur. Antigenic diversity of FCV hinders th ... Full text Cite

Molecular epidemiology and characteristics of respiratory syncytial virus among hospitalized children in Guangzhou, China.

Journal Article Virology journal · November 2023 BackgroundHuman respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory tract infection and hospitalization, especially in children. Highly mutagenic nature and antigenic diversity enable the RSV to successfully survive in ... Full text Cite

Assessing the nonlinear association of environmental factors with antibiotic resistance genes (ARGs) in the Yangtze River Mouth, China.

Journal Article Scientific reports · November 2023 The emergence of antibacterial resistance (ABR) is an urgent and complex public health challenge worldwide. Antibiotic resistant genes (ARGs) are considered as a new pollutant by the WHO because of their wide distribution and emerging prevalence. The role ... Full text Open Access Cite

Reverse zoonotic transmission (zooanthroponosis): An increasing threat to animal health

Chapter · October 9, 2023 The fundamental premise of the One Health concept is that the collective health of humans, animals, and their shared environments depends upon the interactions between each domain. When it comes to mitigating infectious disease risk at this interface, an i ... Full text Cite

Metagenomic analysis of endemic viruses in oral secretions from Chinese pigs.

Journal Article Veterinary medicine and science · September 2022 BackgroundPigs are unique reservoirs for virus ecology. Despite the increased use of improved biosecurity measures, pig viruses readily circulate in Chinese swine farms.ObjectivesThe main objective of this study was to examine archived sw ... Full text Cite

Current scenario of viral diseases and vaccination strategies of cattle in Turkey.

Journal Article Journal of infection in developing countries · August 2022 The dairy and meat industry has rapidly developed in the last decade in Turkey and is playing a key role in supplying animal proteins for human consumption. Viral pathogens continue to threaten the dairy and meat industry leading to serious economic losses ... Full text Cite

Prevalence of Concurrent Infections in Broiler Population of District Chakwal, Pakistan

Journal Article Sarhad Journal of Agriculture · January 1, 2022 Broiler population is one of the most important segments of livestock due to its significant contribution in white meat production. Infectious disease outbreaks adversely influence the production potential and consequently cause economic losses. Epidemiolo ... Full text Cite

Molecular typing of human adenoviruses among hospitalized patients with respiratory tract infections in a tertiary Hospital in Guangzhou, China between 2017 and 2019.

Journal Article BMC infectious diseases · August 2021 BackgroundHuman Adenoviruses (HAdVs) cause a wide array of illnesses in all age groups. They particularly cause frequent morbidity among children. In China, human adenovirus types 3, 4, 7, 11, 14, 21, and 55 have caused at least seven outbreaks si ... Full text Cite

WITHDRAWN: Protective and antiviral activities of Nigella sativa against avian influenza (H9N2) in turkeys (Journal of the Saudi Society of Agricultural Sciences)

Journal Article Journal of the Saudi Society of Agricultural Sciences · January 1, 2021 This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policie ... Full text Cite

Molecular characterisation and phylogenetic analysis of Marek's disease virus in Turkish layer chickens.

Journal Article British poultry science · October 2020 1. There is no current data about the genotypes of Marek's disease virus (MDV) in Turkish poultry flocks; hence, this study was performed to analyse CVI988/Rispens, turkey herpesvirus (HVT) vaccine viruses and MDV field viruses as well as to perform phylog ... Full text Cite

Retraction notice to "Synergistic effects of thymoquinone and curcumin on immune response and anti-viral activity against avian influenza virus (H9N2) in turkeys" [Poult. Sci. 95 (2016) 1513-1520].

Journal Article Poultry science · August 2020 This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). The authors retract the above paper due to: 1) conflict of interest among the authors; and 2) addition of coauthor Dr. Muha ... Full text Cite

Retraction notice to "Mycoplasma synoviae vaccine modifies virus shedding and immune responses of avian influenza (H9N2) infection in commercial layers" [Poult. Sci. 96 (2017) 3086-3095].

Journal Article Poultry science · August 2020 This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). The authors retract the above paper due to: 1) conflict of interest among the authors; and 2) addition of co-author Dr. Muh ... Full text Cite

First report of influenza D virus infection in Turkish cattle with respiratory disease.

Journal Article Research in veterinary science · June 2020 Bovine respiratory infections are the most economically important diseases affecting the cattle industry worldwide including Turkey. Influenza D virus (IDV) could play an important role to trigger bovine respiratory disease (BRD) complex. Since, there is n ... Full text Cite

Characterisation of fowl adenovirus (FAdV-8b) strain concerning the geographic analysis and pathological lesions associated with inclusion body hepatitis in broiler flocks in Turkey

Journal Article Journal of Veterinary Research Poland · June 1, 2020 Introduction: Fowl adenovirus can cause important diseases in chickens such as inclusion body hepatitis, hepatitis hydropericardium syndrome, and gizzard erosion and ulceration. Inclusion body hepatitis has been regularly reported from many countries. This ... Full text Cite

Detection of Brucella antibodies in selected wild animals and avian species in Pakistan

Journal Article Indian Journal of Animal Research · April 1, 2020 Brucellosis is a zoonotic disease which affects humans, farm animals and wildlife as well. In Pakistan, the status of human and farm animal brucellosis is documented but the information about brucellosis in wildlife is lacking. To access the seroprevalence ... Full text Cite

First report on the molecular detection, phytogeny, virological and pathological investigations of Avibacterium paragallinarum in chickens in Turkey

Journal Article Medycyna Weterynaryjna · April 1, 2020 Avibacterium paragallinarum is an important pathogen affecting the respiratory tract of chickens. There is a paucity of information on the molecular characteristics and pathology of A. paragallinarum in Turkish poultry flocks. In the present study, broiler ... Full text Cite

Antimicrobial activity of novel functionally substituted monocyclic and spirocyclic cyclohexane derivatives

Journal Article Pakistan Journal of Zoology · February 1, 2020 Due to perpetual increasing antimicrobial resistance, functionally substituted alicyclic compounds are envisioned as probable antimicrobial agents of future. From screening of in house library of compounds, here we report the antimicrobial properties of th ... Full text Cite

Detection and phylogeny of infectious bursal disease virus (IBDV) during field outbreaks in broilers

Journal Article Pakistan Journal of Zoology · January 1, 2020 Infectious bursal disease (IBD) is economically important disease causing great losses to poultry industry worldwide. Field outbreaks of IBD in 18 different poultry farms in the Chakwal district were confirmed by clinicopathologic examination and PCR. A to ... Full text Cite

Current scenario of viral diseases in Turkish poultry industry

Journal Article World S Poultry Science Journal · December 1, 2019 The Turkish poultry industry has rapidly developed in the last decade. Viral pathogens continue to threaten the industry, causing economic losses worldwide, including Turkey. At present, infectious bronchitis and infectious laryngotracheitis are major chal ... Full text Cite

Molecular epidemiology of respiratory viruses in commercial chicken flocks in Pakistan from 2014 through to 2016.

Journal Article BMC veterinary research · October 2019 BackgroundViral diseases are a matter of great concern for poultry farmers in Pakistan. Multiple common viral respiratory diseases (CVRDs) cause huge economic losses in the poultry industry. The prevalence of CVRDs in many countries, including Pak ... Full text Cite

Seroprevalence of mycoplasma gallisepticum in commercial poultry birds showing respiratory clinical signs in Chakwal District, Pakistan

Journal Article Pakistan Journal of Zoology · October 1, 2019 Bacterial diseases are a huge concern for poultry farmers and cause huge economic loss to poultry industry every year. Various pathogens can initiate respiratory diseases in poultry, including mycoplasmosis caused by Mycoplasma gallisepticum (MG). The dist ... Full text Cite

Bovine's ocular squamous cell carcinoma: Clinico-pathological Report of Twenty Five Cases

Journal Article Pakistan Journal of Zoology · February 1, 2019 Squamous cell carcinoma of eye is sporadically reported in bovines in Pakistan. During June 2014 to 2015, twenty five buffalos ranging in age between 7 to 9 years, were referred to surgery clinic at University of Veterinary and Animal Sciences, Lahore, Pak ... Full text Cite

Seroprevalence and Risk Factors of Toxoplasma gondii in Wild Birds of Punjab Province, Pakistan.

Journal Article Journal of wildlife diseases · January 2019 Toxoplasma gondii is a protozoan parasite of veterinary and human public health importance for which birds act as an intermediate host. No information is available about the epidemiology of T. gondii in wild birds of Pakistan. The present study was designe ... Full text Cite

Evidence of Biological Detoxification Potential of Saccharomyces cervisiae against Aflatoxin B1 in Quails (Coturnix japonica)

Journal Article Pakistan Journal of Zoology · January 1, 2019 Aflatoxin B1 imparts serious public health hazards by effecting 25% of world’s food crops. To get optimum production performance from livestock and poultry, proper detoxification of AFB1 in feed is mandatory. This study was designed to analyze the biologic ... Full text Cite

Hematobiochemical disorder in camels suffering from different Hemoparasites

Journal Article Pakistan Journal of Zoology · January 1, 2019 Haemoparasites disturb camel production in tropical countries. Four major haemoparasites in camels are Trypanosoma, Dipetalonema, Babesia, and Anaplasma. The current study was executed to investigate haematobiochemical alterations in camels during haemopar ... Full text Cite

Detection and phylogeny of fowl adenovirus associated with hydropericardium hepatitis syndrome in broilers

Journal Article Pakistan Journal of Zoology · January 1, 2019 Hydropericardium hepatitis syndrome (HHS) in broilers is an emerging threat, causing huge economic loss to poultry industry every year. Fowl adenoviruses (FAdVs) associated with HHS could disturb growth, viability and immunity in commercial broilers. The m ... Full text Cite

In vitro antiviral activity of Nigella sativa against peste des petits ruminants (PPR) Virus

Journal Article Pakistan Journal of Zoology · December 1, 2018 Peste des petits ruminants (PPR) is an important viral disease of sheep, goat and other small ruminants, imparting substantial economic losses. In current study, antiviral activity of six dilutions of Nigella sativa (N. sativa) alcoholic extracts against t ... Full text Cite

First Molecular Characterization of Avian Metapneumovirus (aMPV) in Turkish Broiler Flocks.

Journal Article Avian diseases · December 2018 Viral respiratory diseases, including avian metapneumovirus (aMPV), have a significant economic impact on poultry industries. The frequency and genotype diversity of aMPV in Turkish broiler flocks is not known at present. The aim of this study was to repor ... Full text Cite

Pathobiology of Avian avulavirus 1: special focus on waterfowl.

Journal Article Veterinary research · September 2018 Avian avulaviruses serotype 1 (abbreviated as APMV-1 for the historical name avian paramyxovirus 1) are capable of infecting a wide spectrum of avian species with variable clinical symptoms and outcomes. Ease of transmission has allowed the virus to spread ... Full text Cite

Brucellosis in Mirpur, Azad Kashmir Pakistan: A livestock threat for neighboring zones

Journal Article Medycyna Weterynaryjna · July 1, 2018 The objective of the present study was to determine the prevalence of brucellosis in household animals of Mirpur, Azad Kashmir due to its geographic importance. A total of 360 blood samples of cattle, buffaloes, sheep and goats were initially screened thro ... Full text Cite

Genetic characterization of phenicol-resistant Escherichia coli and role of wild-type repressor/regulator gene (acrR) on phenicol resistance.

Journal Article Folia microbiologica · July 2018 The genetic basis for phenicol resistance was examined in 38 phenicol-resistant clinical Escherichia coli isolates from poultry. Out of 62 isolates, 38 showed resistance for chloramphenicol and nine for florfenicol, respectively. Each strain also demonstra ... Full text Cite

Co-infection of turkeys with Escherichia coli (O78) and H6N1 avian influenza virus.

Journal Article Avian pathology : journal of the W.V.P.A · June 2018 Respiratory diseases are responsible for major economic losses in poultry farms. While in most cases a single pathogen is not alone responsible for the clinical outcome, the impact of co-infections is not well known, especially in turkeys. The purpose of t ... Full text Cite

Clinico-biochemical effects of xylazine- ketamine and isoflurane on rabbits undergoing ovariohysterectomy

Journal Article Pakistan Journal of Zoology · April 1, 2018 The serum biochemical and cardiovascular effects of total intravenous anesthesia, xylzine-ketamine and inhalation anesthesia, isoflurane was clinically compared in healthy female rabbits (n=16) undergoing ovariohysterectomy. One group of 8 rabbits was anes ... Full text Cite

Patho-biological studies of ppr virus in experimentally infected goats with reference to immunomodulatory activity of nigella. Sativa seeds

Journal Article Journal of Animal and Plant Sciences · April 1, 2018 Peste des petits ruminants (PPR) is a transboundary viral disease of small ruminants that causes huge economic losses in developing world. The present project was aimed to report the gross and microscopic alterations and to evaluate the immunomodulatory an ... Cite

Report - Susceptibility of avian pathogenic Escherichia coli from Zoo birds in Indonesia to antibiotics and disinfectants.

Journal Article Pakistan journal of pharmaceutical sciences · March 2018 Antibiotic resistance in avian pathogenic Escherichia coli (APEC) is a common problem in the Indonesian poultry industry. Zoo birds have been postulated as sentinels, reservoirs, and potential spreaders of antibiotic resistance, although much is still unkn ... Cite

Cloning and expression of NS3 gene of Pakistani isolate type 2 dengue virus

Journal Article Journal of Veterinary Research Poland · March 1, 2018 Introduction: Dengue is one of the major emerging viral diseases in the world, with dramatic increases in reported cases in the last few decades and annual worldwide occurrence of approximately 390 million infections. It is a highly important mosquito-vect ... Full text Cite

In-Silico Analysis of Gene ALS2 Genetic Variants Identified in the Affected Horses and Humans With Motor Neuron Disease

Journal Article Journal of Equine Veterinary Science · March 1, 2018 Motor neuron disease (MND) is a spontaneous neurologic disorder of humans and adult horses, which results from the degeneration of motor neurons in the spinal cord and brain stem. The etiology of MND disease in the South Asian region is not well understood ... Full text Cite

Antiviral activity of thiazolide derivatives against dengue virus in Huh-7 cell line

Journal Article Jundishapur Journal of Microbiology · February 1, 2018 Background: Dengue is one of the main health problems worldwide with dramatic increases in reported cases in the last few decades. Now, dengue is a major threat to half of the world’s population and approximately 50 million infections occur every year. Obj ... Full text Cite

Retraction: Role of wheat based diet on the pathology of necrotic enteritis in Turkeys (Scientifica (2016) 2016 (4381067) DOI: 10.1155/2016/4381067)

Journal Article Scientifica · January 1, 2018 At the request of the authors, the article titled "Role of Wheat Based Diet on the Pathology of Necrotic Enteritis in Turkeys" [1] has been retracted. The article was found to contain a substantial amount of material from published sources. The first autho ... Full text Cite

Pathological alterations during co-infection of newcastle disease virus with Escherichia coli in broiler chicken

Journal Article Pakistan Journal of Zoology · January 1, 2018 Respiratory diseases are responsible for major economic losses at poultry farms especially during during co-infections of respiratory pathogens. However, impact of co-infections is not well known, especially in broilers. The current study was aimed to asse ... Full text Cite

Isolation of Mannheimia haemolytica from layer hens showing respiratory signs

Journal Article Pakistan Veterinary Journal · January 1, 2018 Mannheimia haemolytica (M. haemolytica) causes shipping fever and several other respiratory diseases in bovine but its involvement in diseases of Gallus gallus domesticus is limited to secondary infections with limited data available from Pakistan. Samples ... Full text Cite

Effect of microencapsulated butyric acid supplementation on growth performance, ileal digestibility of protein, duodenal morphology and immunity in broilers

Journal Article Journal of the Hellenic Veterinary Medical Society · January 1, 2018 This experiment was conducted to evaluate the effect of microencapsulated butyric (MEB) acid on growth performance, apparent ileal digestibility of protein (AID), duodenal morphology and immunity in broilers reared to 35-days. In total, 336 one-day-old Hub ... Full text Cite

Safety of fenbendazole in common peafowl (Pavo cristatus).

Journal Article Pakistan journal of pharmaceutical sciences · January 2018 The present study was undertaken to find out the safety levels of fenbendazole in common peafowl. This bird, raised on aviaries and zoos, can be severely parasitized with Ascaridia galli (enteric worms) and Syngamus trachea (gapeworm) along with other para ... Cite

Dynamics of selenium deficiency in bovines in District Kasur, Punjab, Pakistan

Journal Article Pakistan Journal of Zoology · January 1, 2018 The present study was designed to determine the serum selenium status in association of its risk factors in cattle and buffaloes of district Kasur, Punjab. Selenium status was evaluated by Atomic Absorptions Spectrophotometery (AAS) with respect to sex of ... Full text Cite

A clinical survey of viral respiratory diseases of commercial poultry in Pakistan

Journal Article Journal of Animal and Plant Sciences · December 1, 2017 Viral diseases are a huge concern for poultry farmers in Pakistan since 1963. Multiple common viral respiratory diseases (CVRDs) such as, infectious bronchitis (IB), newcastle disease (ND), swollen head syndrome (SHS) and low pathogenic avian influenza (LP ... Cite

Efficacy of Massachusetts and 793B Vaccines Against Infectious Bronchitis Moroccan-Italy 02 Virus in Specific-Pathogen-Free Chickens and Commercial Broilers.

Journal Article Avian diseases · December 2017 The ability of commercial vaccines H120 and 4/91 to protect against Moroccan-Italy 02 infectious bronchitis virus (Mor-It02) was investigated in specific-pathogen-free (SPF) chickens and commercial broiler chickens. Commercial broiler chicks (Experiment 1) ... Full text Cite

RETRACTED: Mycoplasma synoviae vaccine modifies virus shedding and immune responses of avian influenza (H9N2) infection in commercial layers.

Journal Article Poultry science · September 2017 This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). The authors retract the above paper due to: 1) conflict of interest among the authors; and 2) addition of co-author Dr. Mu ... Full text Cite

Pathological alterations in respiratory system during co-infection with low pathogenic avian influenza virus (H9N2) and Escherichia coli in broiler chickens

Journal Article Journal of Veterinary Research Poland · September 1, 2017 Introduction: Despite the advancements in the field, there is a lack of data when it comes to co-infections in poultry. Therefore, this study was designed to address this issue. Material and Methods: Broiler birds were experimentally infected with E. coli ... Full text Cite

Cryptosporidium: An emerging zoonosis in southern Khyber Pakhtunkhwa (KPK), Pakistan

Journal Article Pakistan Journal of Zoology · August 1, 2017 Zoonotic Cryptosporidium is chief cause of diarrhea in both developing and developed countries, causing millions of deaths each year. This study was designed to estimate the zoonotic potential of Cryptosporidium in three districts of Khyber Pakhtunkhwa (KP ... Full text Cite

Emergence of new sub-genotypes of Newcastle disease virus in Pakistan

Journal Article World S Poultry Science Journal · July 4, 2017 Newcastle disease virus (NDV) was first reported in 1926. Since then, the NDV has been prevalent in domestic and wild birds representing a diverse and continually evolving group of viruses, consisting one genotype for class I NDV isolates and eighteen geno ... Full text Cite

Mast cells and innate immunity: Master troupes of the avian immune system

Journal Article World S Poultry Science Journal · July 4, 2017 Mast cells (MCs) are granulated cells of haematopoietic lineage and constitute a major sensory arm of the immune system. MCs dually guard hosts and regulate immune responses against invading pathogens. This property of the MCs is attributed to their adapta ... Full text Cite

Dendritic cell harmonised immunity to poultry pathogens; A review

Journal Article World S Poultry Science Journal · July 4, 2017 Dendritic cells (DCs) are antigen-presenting cells (APCs) with the unique ability to induce both innate immune responses and a highly specific acquired immunity. DCs are crucial to induce immunity, and their maturation and functions are influenced by micro ... Full text Cite

A concise review of poultry vaccination and future implementation of plant-based vaccines

Journal Article World S Poultry Science Journal · July 4, 2017 Every year the growth of the poultry industry is severely threatened by a number of infectious viral, bacterial and parasitic diseases. There are a number of vaccines to control these diseases including inactivated virus vaccines, attenuated virus vaccines ... Full text Cite

Effects of egg weight on the egg quality, chick quality, and broiler performance at the later stages of production (week 60) in broiler breeders

Journal Article Journal of Applied Poultry Research · June 1, 2017 The objective of the present study was to determine the effect of broiler breeder egg weight on egg quality, chick quality, and broiler performance using Hubbard Classic broiler breeder flock. Hatching eggs from a commercial broiler breeder flock (Hubbard ... Full text Cite

Interactions of Aspergillus fumigatus with the respiratory system in poultry

Journal Article World S Poultry Science Journal · March 2, 2017 Aspergillosis is an infectious, non-contagious fungal disease caused by species within the ubiquitous opportunistic saprophytic genus Aspergillus, in particular Aspergillus fumigatus. In poultry, infection by A. fumigatus may induce significant economic lo ... Full text Cite

Viral hepatitis in chicken and turkeys

Journal Article World S Poultry Science Journal · March 2, 2017 The liver is the 'central laboratory' of a chicken's body, responsible for sorting and transforming digested compounds as well as dealing with waste products. It is essential that this organ is kept in an excellent condition in order to maintain a healthy ... Full text Cite

Low Pathogenic Avian Influenza and Coinfecting Pathogens: A Review of Experimental Infections in Avian Models.

Journal Article Avian diseases · March 2017 Low pathogenic avian influenza virus (LPAIV) usually causes mild disease or asymptomatic infection in poultry. LPAIV has, however, become a great threat to poultry industry due to mixed infections with other pathogens. Coinfections do frequently occur in t ... Full text Cite

Surgical correction of intermittent unilateral hind limb extension in Buffalo and Cattle

Journal Article Pakistan Journal of Zoology · January 1, 2017 Three cases, including a buffalo and two cows were presented with complaint of persistent unilateral hind limb extension. The animals were unable to flex the limb during walk. Diagnosis was based on case history, clinical sign and clinical examination. Upw ... Full text Cite

Pathological alterations during co-infection of newcastle disease virus with Escherichia coli in broiler chicken

Journal Article Pakistan Journal of Zoology · January 1, 2017 Respiratory diseases are responsible for major economic losses at poultry farms especially during during co-infections of respiratory pathogens. However, impact of co-infections is not well known, especially in broilers. The current study was aimed to asse ... Full text Cite

Molecular identification of bovine brucellosis causing organisms at selected private farms in pothohar plateau, Pakistan

Journal Article Pakistan Journal of Zoology · January 1, 2017 Brucellosis is a worldwide zoonotic infection in animals including Pakistan. A study was conducted to identify the potential cause of infection in three different cattle farms located at Potohar Plateau in Punjab, Pakistan. A total of 399 serum samples fro ... Full text Cite

Role of dendritic cells in immunity against avian coccidiosis

Journal Article World S Poultry Science Journal · January 1, 2017 Dendritic cells (DC) are central regulators of immune responses and professional antigen-presenting cells (APCs) with the unique ability to induce both innate immune responses and a highly specific acquired immunity. DC communicates through chemical and me ... Full text Cite

Role of topoisomerase mutations, plasmid mediated resistance (qnr) and acrAB efflux pump in fluoroquinolone resistant clinical isolates of avian Escherichia coli

Journal Article Molecular Genetics Microbiology and Virology · January 1, 2017 Introduction: We investigated the role of topoisomerase mutations, increased level of the multidrug efflux pump AcrAB, and the plasmid-borne genes (qnr) in the fluoroquinolone (FQ) resistant avian Escherichia coli simultaneously. Material and method: Here, ... Full text Cite

Ornithobacterium rhinotracheale infection in red wattled lapwings (Vanellus indicus) in Pakistan - A case report

Journal Article Veterinarski Arhiv · January 1, 2017 Respiratory infections are of major concern in the poultry industry in Pakistan. Previously, wild birds have been reported to transmit respiratory infections. The Red Wattled Lapwing (RWL) is a wild bird prevalent in the Indus basin and the wetlands of Pun ... Full text Cite

Seroprevalence and risk factors associated with bovine brucellosis in the Potohar Plateau, Pakistan.

Journal Article BMC research notes · January 2017 BackgroundThe seroprevalence and risk factors of bovine brucellosis were studied at animal and herd level using a combination of culture, serological and molecular methods. The study was conducted in 253 randomly selected cattle herds of the Potoh ... Full text Cite

Mycoplasmosis in poultry: Update on diagnosis and preventive measures

Journal Article World S Poultry Science Journal · December 9, 2016 Avian mycoplasmas occur in a wide variety of birds including commercial poultry. The most important mycoplasmas in chickens and turkeys are Mycoplasma gallisepticum (MG), M. synoviae (MS), and M. meleagridis. Additionally, M. iowe (MI) is an emerging patho ... Full text Cite

Immunosuppressive interactions of viral diseases in poultry

Journal Article World S Poultry Science Journal · December 9, 2016 Poultry can be exposed to different kinds of immunosuppressive agents that impair health and welfare by destroying innate and acquired immunity leading to diminished genetic potential of poultry for efficient production. Immunosuppression is a condition ch ... Full text Cite

Host immune responses and vaccination against avian pathogenic Escherichia coli

Journal Article World S Poultry Science Journal · December 9, 2016 Avian pathogenic Escherichia coli (APEC) is one of the most economically damaging diseases affecting the poultry industry. This group of extra-intestinal E. coli causes a variety of clinical conditions including air-sacculitis and cellulitis. The economic ... Full text Cite

Potential of magnetic nanoparticles for Hepatitis B virus detection

Journal Article Journal of Nanoscience and Nanotechnology · December 1, 2016 Two billion people living in world have Hepatitis B Virus (HBV) infection at some stage of their life. Even years after its discovery, existing diagnostic tools are not proficient enough to be wielded efficiently. There is a need for a quick, orderly, sens ... Full text Cite

Emerging threat of necrotic enteritis in poultry and its control without use of antibiotics: A review

Journal Article Journal of Animal and Plant Sciences · December 1, 2016 Necrotic enteritis (NE) is an emerging economically significant problem of poultry caused by a bacterium Clostridium perfringens. The rising incidence of Clostridium infections and development of NE in commercial chickens has been associated with the withd ... Cite

Haematology and blood chemistry references values for clinically healthy red-wattled lapwing (Vanellus indicus)

Journal Article European Journal of Wildlife Research · December 1, 2016 Red-wattled lapwings (Vanellus indicus) are medium-sized birds endemic to the wetlands of south and west Asia. Their population is decreasing due to loss of habitat, shrinkage of wetlands and poaching. Fifty-two red-wattled lapwings (RWL) were captured fro ... Full text Cite

Avian metapneumovirus infection in poultry

Journal Article World S Poultry Science Journal · October 11, 2016 Avian metapneumovirus (aMPV) infections are an economical issue for the poultry industry worldwide, and have been associated with upper respiratory tract infections and reductions in egg production in various avian species. The aMPV causes turkey rhinotrac ... Full text Cite

Interaction of infectious bursal disease virus with the immune system of poultry

Journal Article World S Poultry Science Journal · October 11, 2016 Immune dysfunction can be either at the humoral or cellular levels and is mediated by a myriad of factors including virus-induced immunosuppression. Infectious bursal disease virus (IBDV) affects domesticated poultry and causing health problems mainly due ... Full text Cite

Variation in viral shedding patterns between domestic and wild terrestrial birds infected experimentally with reassortant avian influenza virus (H9N2)

Journal Article Avian Biology Research · September 1, 2016 Avian influenza (H9N2) virus infection is an emerging respiratory problem and its prevalence varies significantly among different species of birds. The current knowledge about virus shedding parameters in terrestrial birds is limited. With this in mind, th ... Full text Cite

Insights into the role of turkeys as potential intermediate host for influenza viruses

Journal Article World S Poultry Science Journal · August 31, 2016 Avian influenza viruses have become endemic in land-based domestic poultry and have crossed species barriers. Turkeys are an important host in influenza virus ecology because they are susceptible to infection with these viruses and are often involved in in ... Full text Cite

Effect of route of inoculation on replication of avian influenza virus (H9N2) and interferon gene expression in guinea fowl (Numida meleagridis).

Journal Article British poultry science · August 2016 The study was designed to investigate the replication of a re-assortant H9N2 avian influenza virus (AIV) and induction of the interferon (IFNγ) response after aerosol or intranasal inoculation with the virus in guinea fowl. To determine virus shedding patt ... Full text Cite

RETRACTED: Synergistic effects of thymoquinone and curcumin on immune response and anti-viral activity against avian influenza virus (H9N2) in turkeys.

Journal Article Poultry science · July 2016 This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). The authors retract the above paper due to: 1) conflict of interest among the authors; and 2) addition of coauthor Dr. Muh ... Full text Cite

Emerging threat of H9N2 viruses in poultry of Pakistan and vaccination strategy

Journal Article World S Poultry Science Journal · April 26, 2016 In Pakistan, H9N2 avian influenza viruses were first reported in 1998, and since then, they have been prevalent in chickens and have continuously evolved through reassortment in live bird markets. Poultry carrying H9N2 viruses act as incubators for the evo ... Full text Cite

Campylobacter infections in poultry: Update on challenges and potential immune interventions

Journal Article World S Poultry Science Journal · April 26, 2016 Poultry is frequently colonised by and constitutes a natural reservoir for Campylobacter spp., primarily C. jejuni and C. coli. Infection with C. jejuni is a leading cause of food borne gastroenteritis in humans worldwide. Prevalence rates in poultry are v ... Full text Cite

Sodium butyrate in chicken nutrition: The dynamics of performance, gut microbiota, gut morphology, and immunity

Journal Article World S Poultry Science Journal · April 26, 2016 The effect of sodium butyrate on various bodily parameters of broilers such as performance, gut microflora, gut morphology, and immunity is reviewed in order to highlight its importance as an alternative to antibiotic growth promoters. Sodium butyrate is u ... Full text Cite

Infectious bronchitis virus: Evolution and vaccination

Journal Article World S Poultry Science Journal · March 1, 2016 The emergence and evolution of viral pathogens cause a major problem in the poultry industry. Mutation and recombination processes are involved in the genetic and phenotypic variations of infectious bronchitis virus (IBV) in chickens, leading to the emerge ... Full text Cite

Prevalence of Coccidiosis in Free-Range Chicken in Sidi Thabet, Tunisia

Journal Article Scientifica · January 1, 2016 Background. Enteric diseases are an important concern to the poultry industry and coccidiosis is imposing a significant economic burden worldwide. Objectives. The main goal of the present study was to investigate the prevalence of coccidiosis in free-range ... Full text Cite

A report on an outbreak of botulism in broilers in Pakistan

Journal Article Pakistan Journal of Zoology · January 1, 2016 An outbreak of type C botulism in four week-old broilers in an open farm house is described. Botulism is an intoxication caused by exotoxins of Clostridium botulinum. At 4 weeks of age, an increase in mortality was observed in the broilers. Clinically, the ... Cite

Application of different chemical and biochemical treatments to improve nutritive potential of defatted rice polishing

Journal Article Pakistan Journal of Life and Social Sciences · January 1, 2016 This Study was conducted to improve the nutritional value of defatted rice polishing for broiler rations by applying different chemical treatments under complete randomized design. For this purpose, day old broiler chicks (n=225) were randomly divided into ... Cite

Comparative antiviral efficacy of zanamivir and amantadine against tunisian isolate of avian influenza virus (H9N2)

Journal Article Pakistan Journal of Zoology · January 1, 2016 New emerging avian influenza A viruses pose a continued threat, not only to avian species but also to the humans. Avian influenza viruses increasingly crossing species barriers possibly with increased zoonotic potential. Due to rapid spread of influenza vi ... Cite

Role of Wheat Based Diet on the Pathology of Necrotic Enteritis in Turkeys

Journal Article Scientifica · January 1, 2016 The study was conducted to investigate the effects of wheat based diet on the pathology of necrotic enteritis in turkeys. Turkeys were divided into four groups. Groups A and B were kept as noninoculated and fed normal commercial diet while groups C and D w ... Full text Cite

In vitro and in vivo Sensitivity of a Flagellated Protozoan, Histomonas meleagridis, to metronidazole and nitarsone

Journal Article Pakistan Journal of Zoology · January 1, 2016 Histomoniasis or blackhead disease is a life-Threatening disease of Turkeys that is caused by a flagellated protozoan, Histomonas meleagridis. Currently metronidazole and nitarsone are used commonly against blackhead disease in Pakistan. Initially we teste ... Cite

Identification, characterization and antibiotic sensitivity of aeromonas hydrophila, a causative agent of epizootic ulcerative syndrome in wild and farmed fish from potohar, Pakistan

Journal Article Pakistan Journal of Zoology · January 1, 2016 A total of 82 samples of fish (80 from fish farm; 2 from river) infected with epizootic ulcerative syndrome (EUS) were collected. Identification and characterization of isolates was done by biochemical tests, fermentation of sugars and analytical profile i ... Cite

Effect of β-mannanase on the performance and digestibility of broilers

Journal Article Asian Journal of Animal and Veterinary Advances · January 1, 2016 Objective: This experiment was conducted to assess the use of low energy diet which contains β-mannanase (Hemicell® HT) for its ability to improve the gross energy digestibility, dry matter digestibility and broiler performance. Methodology: About 301 days ... Full text Cite

Application of avian cytokines as immuno-modulating agents

Journal Article World S Poultry Science Journal · December 2, 2015 The restricted use of antibiotics in the poultry sector has greatly enhanced the search for environment-friendly alternatives and complementary therapeutic approaches to manage infectious diseases in poultry. Cytokines, as natural immune-modulators, offer ... Full text Cite

Effects of Nigella sativa on immune responses and pathogenesis of avian influenza (H9N2) virus in turkeys

Journal Article Journal of Applied Poultry Research · November 6, 2015 The main objective of this study was to determine the effects of various levels of dietary Nigella sativa seeds on immune-responsiveness and pathogenesis of H9N2 avian influenza virus (AIV) in Turkeys. The experiment was performed on 80 unvaccinated Turkey ... Full text Cite

Prevalence of canine parvovirus infection at different pet clinics in Lahore, Pakistan

Journal Article Pakistan Journal of Zoology · January 1, 2015 Prevalence of canine parvovirus (CPV) infection was studied in the dog population of Lahore. A total of 198 fecal samples were taken aseptically from dogs clinically suspected for parvovirus infection from different pet clinics of Lahore during 2010-2011. ... Cite

Comparative efficacy of urea and slow-release non-protein nitrogen on performance of Nili-Ravi buffalo calves

Journal Article Pakistan Journal of Zoology · January 1, 2015 Shortage of feed for animals is becoming a serious problem. In the wake of scarcity of adequate feed, the buffalo calves are being fed feed residues or low protein feeds which adversely affect the meat quality. Feed quality can be improved by adding NPN so ... Cite

Role of aflatoxin toxicity on transmissibility and pathogenicity of H9N2 avian influenza virus in turkeys.

Journal Article Avian pathology : journal of the W.V.P.A · January 2015 The study was conducted to investigate the role of aflatoxin on the infectivity and transmissibility of H9N2 AI virus. The experiment was performed on 80 non-vaccinated turkeys, divided into 4 groups of 20 birds each. Group A was kept as non-infected and a ... Full text Cite

Chicken infectious anaemia, an immunosuppressive disease of poultry birds

Journal Article World S Poultry Science Journal · November 13, 2014 Immunosuppressive viral diseases have become a major cause of mortality and economic losses in poultry industry mainly because of increased susceptibility of second bacterial infections and low response to vaccination. Nowadays chicken infectious anaemia i ... Full text Cite

Hepatic dysfunction in patients infected with dengue virus.

Journal Article Journal of the College of Physicians and Surgeons--Pakistan : JCPSP · January 2014 Cite

Recent developments in DNA vaccination approaches against poultry coccidiosis and its future endeavours

Journal Article World S Poultry Science Journal · January 1, 2014 The world poultry industry is under great stress due to parasitic diseases; coccidiosis being one which is responsible for substantial economic losses worldwide. In 1948 the first research paper was published about the treatment of coccidiosis with sulphaq ... Full text Cite

DNA Vaccines against Avian Influenza: Current research and future prospects

Journal Article World S Poultry Science Journal · March 1, 2013 Avian influenza is a highly pathogenic poultry disease found around the globe. It is caused by different strains of avian influenza virus. The H5N1 strain is not spread worldwide in humans, although, sporadic contaminations have been reported. It is known ... Full text Cite