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.

Thu, 03/19/2020 - 03:20
Author(s): Eun Bi Noh, Yeong Bin Kim, Kwang Won Seo, Se Hyun Son, Jong Su Ha, Young Ju Lee Enterococcus faecalis (E. faecalis) has rapidly acquired resistance to multiple antimicrobials, and the antimicrobial resistance of E. faecalis from broiler breeders has been implicated in its vertical transmission to their offspring. The objective of this study was to investigate the antimicrobial...
Thu, 03/19/2020 - 03:20
Author(s): R. Shanmugasundaram, A. Markazi, M. Mortada, T.T. Ng, T.J. Applegate, L.R. Bielke, B. Syed, C.M. Pender, S. Curry, G.R. Murugesan, R.K. Selvaraj Studies were conducted to determine the efficacy of synbiotic applications to combat the negative effects of necrotic enteritis (NE). An in vitro study was conducted to test the effect of probiotics species supernatants to decrease Clostridium...
Sun, 03/15/2020 - 03:35
Author(s): S. Kumar, M. Singh, D.E. Cosby, N.A. Cox, H. Thippareddi Poultry processors use antimicrobials to reduce the risk of pathogens on poultry and poultry products. Efficacy of selective and nonselective plating media to enumerate injured Salmonella (selective media—brilliant green sulfa agar and Petrifilm Enterobacteriaceae Plate Count; nonselective media—tryptic soy agar and Petrifilm...
Sat, 03/14/2020 - 03:20
Author(s): Pratima Adhikari, Sudhir Yadav, Douglas E. Cosby, Nelson A. Cox, Joshua A. Jendza, Woo Kyun Kim Feed additives can be alternatives to antibiotics for routinely encountered pathogens in the poultry production. The objective of this study was to understand effects of organic acid mixture on growth parameters and Salmonella Typhimurium (ST) colonization in broilers. Organic acid mixture...
Thu, 03/12/2020 - 03:21
Author(s): Beibei Zhang, Guang Li, Muhammad Suhaib Shahid, Liping Gan, Hao Fan, Zengpeng Lv, Shaojia Yan, Yuming Guo This study was conducted to investigate the effects of dietary arginine (Arg) supplementation on the inflammatory response and gut microbiota of broiler chickens subjected to Salmonella enterica serovar Typhimurium. One hundred and forty 1-day-old Arbor Acres male birds were...
Thu, 03/12/2020 - 03:21
Author(s): G.K. Walker, M.M. Suyemoto, L.B. Borst, J. Brake The genetic relatedness and antimicrobial susceptibility profiles of Salmonella isolated from poultry and their environment were determined. One broiler breeder flock (BBF1) and 2 broiler flocks (BF1 and BF2) were reared over a 1.75-year period on the same poultry research farm. Hatching eggs were obtained from BBF1 to produce BF1 chicks...
Thu, 02/27/2020 - 03:36
Author(s): Yani Sun, Qizhong Lu, Jingfei Zhang, Xiaoxuan Li, Jiakai Zhao, Wenqi Fan, Pinpin Ji, Kun Wang, En-Min Zhou, Qin ZhaoHens of a commercial Hy-line brown layer flock in China exhibited increased mortality and decreased egg production at 47 wk of age. From 47 to 57 wk, average weekly mortality increased from 0.11 to 3.0%, and egg production decreased from 10 to 30%, with a peak mortality...
Thu, 02/27/2020 - 03:36
Author(s): Lei Wang, Li Xue, Ruya Guo, Lingyan Zheng, Siyuan Wang, Lan Yao, Xiaoting Huo, Ning Liu, Ming Liao, Yanbin Li, Jianhan LinSalmonella screening is a key to ensure food safety in poultry supply chains. Currently available Salmonella detection methods including culture, polymerase chain reaction and enzyme-linked immuno-sorbent assay could not achieve rapid, sensitive, and in-field...
Thu, 02/27/2020 - 03:36
Author(s): Min-Kyoung Seo, Kyung Won Na, Sang Ha Han, Si-Hong Park, Sang-Do HaThe effects of 3 ethanol levels (30, 50, and 70%) with and without thiamine dilaurylsulfate (TDS; 1,000 ppm) were evaluated for the reduction of natural mesophilic aerobic bacteria (MAB), coliforms, and inoculated Salmonella Typhimurium (S. Typhimurium) in chicken skin. The chicken skin was inoculated with a 7 log cfu/...
Thu, 02/27/2020 - 03:36
Author(s): N.A. Cox, A.A. Oladeinde, K.L. Cook, G.S. Zock, M.E. Berrang, C.W. Ritz, A. HintonBefore starting a study with many birds, it helps to know the method of chick inoculation. The objective was to compare 3 methods of Salmonella challenge (oral gavage [OR], intracloacal inoculation [IC], and seeder bird [SB]). Day-old broiler chicks (n = 100) were inoculated with 106 colony forming units...
Thu, 02/27/2020 - 03:36
Author(s): Davood Najafi, Ramezan Ali Taheri, Abouzar Najafi, Mohammad Shamsollahi, Manuel Alvarez-RodriguezThe protective role of astaxanthin nanoparticles (Ast NPs, 25 mg/kg p.o) against cadmium (Cd, 1 mg/100 g b.w. SC), a known inductor of lipid peroxidation and changes in the antioxidant defense system in the Ross 308 breeder roosters sperm, was examined. Sperm motility (computer-assisted...
Sun, 02/23/2020 - 03:22
Author(s): M. Hilliar, C. Keerqin, C.K. Girish, R. Barekatain, S.-B. Wu, R.A. SwickAbstractNecrotic enteritis (NE) is an infection of the gastrointestinal tract and is estimated to cost the global poultry industry billions of dollars annually. A study was conducted to examine whether reducing the crude protein might offset the severity of NE in broilers experimentally challenged with Eimeria spp...
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...

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