Poultry Science

The Research Publications track research that is published across national and international peer-reviewed journals. The most recent articles are available ahead of print and searchable by Journal Title, Subject, USDA Grant Funding Agencies or FDA Grant Funding Agencies. The research publications are tracked across five subject areas: Bacterial Pathogens, Chemical Contaminants, Natural Toxins, Parasites, and Viruses.

Wed, 02/19/2020 - 03:24
Author(s): Paul Siller, Katrin Daehre, Nadine Thiel, Ulrich Nübel, Uwe RoeslerAbstractApplying broiler litter containing extended-spectrum beta-lactamase (ESBL)–producing Escherichia coli (E. coli) to arable land poses a potential risk for humans to get colonized by contact with contaminated soil or vegetables. Therefore, an inactivation of these bacteria before land application of litter is...
Sun, 02/16/2020 - 03:33
Author(s): Jasmien Vandeputte, An Martel, Gunther Antonissen, Marc Verlinden, Lieven De Zutter, Marc Heyndrickx, Freddy Haesebrouck, Frank Pasmans, An GarmynAbstractOral administration of antibodies is a promising strategy against various infectious diseases. Previously, it was demonstrated that passive immunization by providing hyperimmune egg yolk through the feed reduces Campylobacter jejuni...
Wed, 02/12/2020 - 10:45
Author(s): Uraisha Ramlucken, Santosh O. Ramchuran, Ghaneshree Moonsamy, Rajesh Lalloo, Mapitsi S. Thantsha, Christine Jansen van RensburgABSTRACTThere is a necessity for the implementation of in-feed probiotics in the poultry production industry, following strict regulations around the use of antibiotic growth promoters (AGP). Bacillus spp. are becoming an attractive alternative because of their...
Wed, 02/12/2020 - 10:45
Author(s): H.K. Zanu, C. Keerqin, S.K. Kheravii, N.K. Morgan, S-B. Wu, M.R. Bedford, R.A. SwickAbstractThis study investigated the influence of meat and bone meal (MBM), phytase, and antibiotics (AB) on the performance, intestinal pH, ileal digestibility, cecal microbiota, and tibial mineralization in Ross 308 broilers challenged with necrotic enteritis (NE). A total of 672-day-old male Ross 308...
Wed, 02/12/2020 - 10:45
Author(s): Gabriel da S. Oliveira, Vinícius M. dos Santos, Sheila T. Nascimento, Jullyana C. RodriguesAbstractThe aim of this study was to evaluate an ethanolic extract of propolis and clove essential oil as a substitute for paraformaldehyde for the sanitation of fertile eggs. In total, 1,800 hatching eggs (from 40-week-old CPK [Pesadão Vermelho] breeder hens) were randomly distributed among the...
Wed, 02/12/2020 - 10:45
Author(s): Zhongyang Yuan, Wei Yan, Chaoliang Wen, Jiangxia Zheng, Ning Yang, Congjiao SunABSTRACTEnterotypes are used to describe clusters of specific gut microbial community structures, but few reports exist on the identification of enterotypes in poultry. In addition, there is incomplete understanding on the role of the foregut microbiota in the digestion and absorption of nutrients in poultry...
Wed, 02/12/2020 - 10:45
Author(s): Nasim Hatamzade Isfahani, Shaban Rahimi, Mohammad Javad Rasaee, Mohammad Amir Karimi Torshizi, Taghi Zahraei Salehi, Jesse L. GrimesAbstractThe antibacterial properties of egg yolk antibodies have been known for many years. Enhanced antibiotic resistance has resulted in increased need for using these antibodies as an alternative. In the present study, generation, capsulation, and...
Wed, 02/12/2020 - 10:45
Author(s): Shoki Koyama, Toshiyuki Murase, Hiroichi OzakiAbstractPlasmid-mediated quinolone resistance (PMQR) genes located on conjugative plasmids can be transferred to other bacteria in the absence of antimicrobial selective pressure. To elucidate the prevalence of resistance, including PMQR in an egg-producing commercial layer farm in western Japan where no antimicrobials were used, minimum...
Wed, 02/12/2020 - 10:45
Author(s): Shaban Rahimi, Sophia Kathariou, Oscar Fletcher, Jesse L. GrimesAbstractSalmonella and Campylobacter are considered major public health burdens worldwide, and poultry are known to be one of the main reservoirs for these zoonotic pathogens. This study was conducted to evaluate the effect of a commercial probiotic or direct-fed microbial (DFM) Calsporin (CSP), and prebiotic or mannan...
Wed, 02/12/2020 - 10:45
Author(s): Steven C. Ricke, Sang In Lee, Sun Ae Kim, Si Hong Park, Zhaohao ShiABSTRACTFeed additives that can modulate the poultry gastrointestinal tract and provide benefit to bird performance and health have recently received more interest for commercial applications. Such feed supplements offer an economic advantage because they may directly benefit poultry producers by either decreasing...
Wed, 02/12/2020 - 10:45
Author(s): Steven C. Ricke, Michael J. RothrockABSTRACTAlternative poultry production systems consisting of free-range or pasture flock raised poultry continues to increase in popularity. Based on the perceived benefits of poultry products generated from these alternative poultry production systems, they have commercial appeal to consumers. Several factors impact the health and well being of...
Wed, 02/12/2020 - 10:44
Author(s): Graham A.J. Redweik, Zachary R. Stromberg, Angelica Van Goor, Melha MellataAbstractCommercial poultry farms are increasingly threatened by bacterial infections from avian pathogenic Escherichia coli (APEC) and broad-host Salmonella serovars. Recombinant attenuated Salmonella vaccines (RASV) elicit cross-reactive immune responses against APEC in chickens; however, assessment of broad...
Wed, 02/12/2020 - 10:44
Author(s): K.M. Feye, D.R. Thompson, M.J. Rothrock, M.H. Kogut, S.C. RickeABSTRACTChicken is globally one of the most popular food animals. However, it is also one of the major reservoirs for foodborne pathogens, annually resulting in continued morbidity and mortality incidences worldwide. In an effort to reduce the threat of foodborne disease, the poultry industry has implemented a multifaceted...
Wed, 02/12/2020 - 10:44
Author(s): Muhammad Saeed, Muhammad Naveed, Jakob Leskovec, Asgahr Ali kamboh, Ihsanullah Kakar, Kifayat Ullah, Fawwad Ahmad, Muhammad Sharif, Asif Javaid, Mubasher Rauf, Mohamed E. Abd El-Hack, Mervat A. Abdel-Latif, Sun ChaoAbstractGuduchi (Tinospora cordifolia) is a well-recognized and widely distributed traditional plant that is used successfully in Indian Ayurveda medicine. T. cordifolia has...
Wed, 02/12/2020 - 10:44
Author(s): Nguyen Thi Bich Van, Nguyen Thi Phuong Yen, Nguyen Thi Nhung, Nguyen Van Cuong, Bach Tuan Kiet, Nguyen Van Hoang, Vo Be Hien, Niwat Chansiripornchai, Marc Choisy, Alexis Ribas, James Campbell, Guy Thwaites, Juan Carrique-MasAbstractIn the Mekong Delta region of Vietnam, small-scale chicken farming is common. However, high levels of disease or mortality in such flocks impair economic...
Wed, 02/12/2020 - 10:44
Author(s): Lapo Mughini-Gras, Guido Di Martino, Livia Moscati, Filippo Buniolo, Veronica Cibin, Lebana BonfantiAbstractSuboptimal animal welfare may affect natural immunity, rendering animals more susceptible to environmentally conditioned diseases, including those requiring antimicrobial treatment, which may promote antimicrobial resistance (AMR) in bacterial populations. Herewith, we tested the...
Wed, 02/12/2020 - 10:44
Author(s): M. Chmiel, M. Roszko, E. Hać-Szymańczuk, L. Adamczak, T. Florowski, D. Pietrzak, A. Cegiełka, M. BryłaAbstractThe aim of this study was to evaluate dependence of microbiological quality of chicken fillets and profile of volatile compounds in their packages on the applied packaging technique and storage conditions. Samples packaged in either normal atmosphere (AP, air packaging, PVC...
Wed, 02/12/2020 - 10:44
Author(s): Yeong Bin Kim, Mi Young Yoon, Jong Su Ha, Kwang Won Seo, Eun Bi Noh, Se Hyun Son, Young Ju LeeAbstractAvian pathogenic Escherichia coli (APEC) causes extensive mortality in poultry flocks, leading to extensive economic losses. The aim of this study was to investigate the phenotypic and genotypic characteristics and antimicrobial resistance of recent APEC isolates. Of the 79 APEC...
Wed, 02/12/2020 - 10:44
Author(s): S.S. Zhai, D. Ruan, Y.W. Zhu, M.C. Li, H. Ye, W.C. Wang, L. YangAbstractCurcumin has antioxidant functions, regulates the intestinal microbial composition, and alleviates mycotoxin toxicity. The present study aimed to explore whether curcumin could alleviate ochratoxin A (OTA)-induced liver injury via the intestinal microbiota. A total of 720 mixed-sex 1-day-old White Pekin ducklings...
Wed, 02/12/2020 - 10:44
Author(s): Yanying Song, Lanping Yu, Yu Zhang, Yu Dai, Peng Wang, Chenglian Feng, Mengda Liu, Shuhong Sun, Zhijing Xie, Fangkun WangAbstractColibacillosis, caused by Escherichia coli, is one of the most common bacterial diseases of chickens. The high incidence and considerable economic losses associated with colibacillosis make it a significant concern worldwide. In recent years, the efficacy of...
Wed, 02/12/2020 - 10:44
Author(s): Ke Ming, Miao He, Linglin Su, Hongxu Du, Deyun Wang, Yi Wu, Jiaguo LiuAbstractDuck hepatitis A virus type 1 (DHAV) infection causes duck viral hepatitis and results in enormous loss to poultry farming industry. We reported that phosphorylated Codonopsis pilosula polysaccharide (pCPPS) inhibited DHAV genome replication. Here we further explored its underlying antiviral mechanisms....
Wed, 02/12/2020 - 10:44
Author(s): Michał Patrzałek, Maja Kosecka-Strojek, Klaudia Lisowska-Łysiak, Magdalena Trela, Mariusz Kot, Magdalena Gawlak, Dawid Liszka, Mieczysław Sajewicz, Barbara Tombarkiewicz, Krzysztof Pawlak, Jacek Międzobrodzki, Marcin W. LisAbstractThe spatial network structure of Dergall is based on substances nontoxic to humans and the environment which, when applied on solid surfaces, creates a...
Fri, 11/22/2019 - 03:15
ABSTRACT Low pathogenicity avian influenza (LPAI) H9N2, highly pathogenic avian influenza (HPAI) H5N1, and H5N8 circulate in Egyptian poultry and cause veterinary and public health burdens. In response, AIV vaccines are commonly used. The main objective of this study was to develop a broad, cross-protective, trivalent vaccine based on circulating AIVs in Egypt. We generated highly replicating...
Fri, 11/22/2019 - 03:15
ABSTRACT We evaluated the combination of immunomagnetic separation (IMS), multiple displacement amplification (MDA), and real-time PCR to detect Salmonella from poultry environmental samples. The limits of detection (LODs) of IMS-MDA real-time PCR with different culture enrichment hours (0, 4, 6, and 8 h) were determined in artificially inoculated litter samples from a specific pathogen-free (...
Fri, 11/22/2019 - 03:15
ABSTRACT Poultry meats can become contaminated with pathogenic bacteria through digesta leakage during processing. Reducing the bacteria load in digesta of market-aged broilers prior to processing reduces the incidence of fecal contamination at the processing plant. A lysozyme product was incorporated in a maltodextrin-based feed offered during the pre-shipping feed withdrawal period to reduce...
Fri, 11/22/2019 - 03:15
Salmonella and Campylobacter are leading human foodborne pathogens commonly associated with poultry and poultry products, and several methods to control these pathogens have been applied to poultry production. This study was conducted to evaluate the effect of CALSPORIN, (CSP), a direct-fed microbial (DFM), and yeast cell wall (Saccharomyces cervisiae, IMW50, a mannanoligosaccharide (MOS)-based...
Fri, 11/22/2019 - 03:15
ABSTRACT The objective of this study was to assess the effect of dietary yeast products on broiler chickens challenged with salmonella lipopolysaccharide (LPS). The chicks were divided into 8 treatments with 6 replicates and 9 birds per replicate. The treatments consisted of a positive control (PC) [without supplementation and not challenged]; negative control (NC) [without supplementation but...
Fri, 11/22/2019 - 03:15
ABSTRACT Methicillin-resistant Staphylococcus aureus (MRSA) are a major concern for public health, and broiler farms are a potential source of MRSA isolates. In this study, a total of 56 MRSA isolates from 15 broiler farms from 4 different counties in Germany were characterised phenotypically and genotypically. Spa types, dru types, SCCmec types, and virulence genes as well as resistance genes...
Fri, 11/22/2019 - 03:15
ABSTRACT Salmonella enteritidis (S. enteritidis) infection has been recognized as one of the most common bacterial causes of human gastroenteritis worldwide and is closely associated with eggs. Slightly acidic electrolyzed water (SAEW) is an emerging environmentally friendly technology for disinfecting eggshell surfaces to remove dirt and pathogenic microorganisms. However, the efficiency of...
Fri, 11/22/2019 - 03:15
ABSTRACT This study was performed to investigate the hypothesis that supplementation of processed lignocellulose (PL) in the diets of broilers has a positive effect on growing performance, pH value of gizzard, hepatic enzyme activity, immunologic indicators, histomorphological character of small intestine, and cecal microflora populations. A total of 720 one-day-old Ross 308 broiler chicks were...
Fri, 11/22/2019 - 03:15
ABSTRACT This study was conducted to determine the effects of essential oils and organic acids (EOA) on Salmonella Enteritidis (S. Enteritidis) challenged chickens. One-day-old specific pathogen-free (SPF) chicks (250) were randomly assigned to 5 groups, with 50 birds in each group. The treatment groups were as follows: 1) basal diet, negative control group (NC); 2) basal diet + S. Enteritidis,...
Fri, 11/22/2019 - 03:15
ABSTRACT Chromium propionate (Cr Prop) is approved by the U.S. Food and Drug Administration Center for Veterinary Medicine for supplementation to broiler diets up to 0.20 mg Cr/kg diet. A 49-D study was conducted to: 1) determine the safety of Cr Prop when supplemented at 2 and 10 times (×) the approved feeding level over the normal life span of broilers, and 2) determine the effects of...
Fri, 11/22/2019 - 03:15
ABSTRACT Necrotic enteritis (NE) is a pervasive enteric disease responsible for large scale economic losses within the global poultry industry. The etiologic agent of NE is Clostridium perfringens (CP), an opportunistic pathogen that utilizes numerous extracellular toxins and glycoside hydrolases (GH) as key virulence and nutrient acquisition factors. Notably, some GH, mucinases, degrade...
Fri, 11/22/2019 - 03:15
ABSTRACT Pullorum disease caused by Salmonella Pullorum is one of the most important infectious diseases in the poultry industry worldwide, which leads to serious economic losses in many developing countries because of its high mortality rate in young chicks. The traditional slide agglutination test with low cost, fast reaction, and on-site detection has been widely used in the diagnosis of...
Fri, 11/22/2019 - 03:15
ABSTRACT Duck hepatitis A virus (DHAV) is one of the pathogens that cause fatal duck viral hepatitis (DVH) in ducklings, which is an acute and contagious disease with a high mortality rate. Despite a continuing official duck vaccination program, DHAV infection remains a major threat to the duck industry. Considerable changes were observed in the epidemiology of DHAV-1/-3 in China over time....
Fri, 11/22/2019 - 03:15
ABSTRACT To investigate Molybdenum (Mo) and Cadmium (Cd) co-induced the levels of autophagy-related genes via AMPK/mTOR signaling pathway in Shaoxing Duck (Anas platyrhyncha) kidney, 60 healthy 11-day-old ducks were randomly divided into 6 groups, which were treated with Mo or/and Cd at different doses on the basal diet for 120 d. Kidney samples were collected on day 120 to determine the mRNA...
Fri, 11/22/2019 - 03:15
ABSTRACT The poultry industry has recently undergone transitions into antibiotic free production, and viable antibiotic alternatives, such as probiotics, are necessary. Through in ovo probiotic inoculation, beneficial microflora development in the gastrointestinal tract may occur prior to hatch without negatively impacting chick performance. Therefore, the objective of the present study was to...
Fri, 11/22/2019 - 03:15
ABSTRACT This study was aimed to assess the protective effects of γ-irradiated Astragalus polysaccharides (IAPS) on the development of small intestine and intestinal mucosal immunity of immunosuppressed broilers induced by cyclophosphamide (CPM). A total of 384 one-day-old broiler chicks with similar initial weight were randomly assigned into 6 groups: non-treated group (control), and CPM-...
Fri, 11/22/2019 - 03:15
ABSTRACT Subclinical necrotic enteritis (NE) is primarily caused by the gram-positive bacterium, Clostridium perfringens (Cp). The trend towards removal of in-feed antimicrobials and subsequent increased emergence of infection in poultry has resulted in a wide interest in better understanding of the mechanism behind this disease. The virulence of NE, to a large extent, depends on the virulence...
Fri, 11/22/2019 - 03:15
ABSTRACT The present study evaluated the efficacy of ethanol treatment (0, 30, 50, or 70%) alone or in combination with ultrasound (37 kHz, 380 W) for the reduction of natural indigenous mesophilic aerobic bacteria (MAB), coliforms, and inoculated Salmonella Typhimurium on chicken skin. Bacterial cells with loose, intermediate, or tight attachment to chicken skin were recovered by shaking in an...
Fri, 11/22/2019 - 03:15
ABSTRACT In Ethiopia, poultry production is an important source of domestic food and nutrition security while providing income for nearly 80% of Ethiopians. However, several infectious and parasitic diseases hamper poultry production. To date, evidence on the nationwide burden of specific diseases has not been collated to inform targeting of poultry health interventions. The objective of this...
Fri, 11/22/2019 - 03:15
ABSTRACT The efficiency of combination treatment of slightly acidic electrolyzed water (SAEW) and ultraviolet light (UV) for inactivation of Salmonella enteritidis (S. enteritidis) on the surface of plastic poultry coops and other facility surfaces was evaluated in the presence of organic matter. The bactericidal activities of SAEW, UV + SAEW, and composite phenol (CP) for inactivating S....
Fri, 11/22/2019 - 03:15
ABSTRACT This study evaluated the effect of in ovo Bacillus spp. base probiotic (BBP) administration on hatchability, Gram-negative bacteria (GNB) recovery, performance, and microbiota composition in 2 independent trials using a virulent E. coli seeder challenge model. In each trial, one hundred and eighty 18-day-old embryos were allocated into 1 of 2 groups: Control and treated group (...
Fri, 11/22/2019 - 03:15
ABSTRACT One natural recombinant avian leukosis virus (ALV) strain GX14DJ3–18 was isolated from a native gamecock by DF-1 cell culture and identified with Polymerase Chain Reaction (PCR), immunofluorescence assay and the viral genome's nucleotide sequencing. This strain was revealed as a novel recombinant virus with nucleotide sequence similarities of 95.4% Long Terminal Repeated (LTR), 95.8% 5...
Fri, 11/22/2019 - 03:15
ABSTRACT Interspecies transmission of fecal microbiota can serve as an indicator for (indirect) contact between domestic and wild animals to assess risks of pathogen transmission, e.g., avian influenza. Here, we investigated whether oral inoculation of laying hens with feces of wild ducks (mallards, Anas platyrhynchos) resulted in a hen fecal microbiome that was detectably altered on community...
Fri, 11/22/2019 - 03:15
ABSTRACT Dietary prebiotics are thought to be potentially important alternatives to antibiotic growth promoters in poultry production because of their beneficial performance and health effects. The administration of dietary prebiotics has been demonstrated to improve animal health, growth performance, and microbial food safety in poultry production. In this study, we evaluated the effects of...
Fri, 11/22/2019 - 03:15
ABSTRACT Antimicrobial resistance is a global threat for both human and animal health. One of the main drivers of antimicrobial resistance is inappropriate antimicrobial use in livestock production. The aim of this study was to examine the technical and economic impact of tailor-made interventions, aimed at reducing antimicrobial use in broiler production. Historical (i.e., before intervention)...
Fri, 11/22/2019 - 03:15
ABSTRACT We developed a rapid fluorescent microsphere immunochromatographic test strip (FM-ICTS) assay for the quantitative detection of avian leukosis virus (ALV). A monoclonal antibody specific for the ALV major capsid protein encoded by the gag gene was coupled to label fluorescent microspheres. ALV antibodies were coated on a nitrocellulose membrane to prepare a test line for sample...
Fri, 11/22/2019 - 03:15
ABSTRACT Centers for Disease Control and Prevention (CDC), health departments, and other state and federal partners have linked contact with live poultry to 70 human Salmonella outbreaks in the United States from 2000 to 2017, which resulted in a total of 4,794 illnesses, 894 hospitalizations, and 7 deaths. During human salmonellosis outbreaks environmental sampling is rarely conducted as part...
Wed, 09/25/2019 - 03:17
ABSTRACT Inulin and wheat bran were added to broiler diets during the starter period or during the entire rearing period to investigate whether the effects of using these ingredients remained until slaughter age. Diets containing no inulin and no wheat bran (CON), 2% inulin (IN), 10% wheat bran (WB), or 2% inulin + 10% wheat bran (IN+WB) were provided until day 11. Thereafter, each dietary...

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