Poultry Science

Thu, 03/04/2021 - 06:07
Author(s): C.E. Di Francesco, C. Smoglica, F. Profeta, M. Farooq, E. Di Giannatale, T. Toscani, F. Marsilio Antibiotics are routinely used in commercial poultry farms for the treatment of economically important bacterial diseases. Repeated use of antibiotics, usually administered in the feed or drinking water, may also result in the selection of resistant bacteria in animal feces, able to...
Sun, 02/21/2021 - 06:05
Author(s): Chelsea E. Course, Patrick Boerlin, Durda Slavic, Jean-Pierre Vaillancourt, Michele T. Guerin Salmonella enterica and Escherichia coli are bacteria of concern to veterinary public health and poultry health. Our research aimed to determine the factors associated with S. enterica and E. coli in commercial broiler chicken barns during the rest period between flocks in order to identify...
Thu, 02/18/2021 - 06:11
Author(s): Deana R. Jones, Javier S. Garcia, Richard K. Gast, Garrett E. Ward In the US, all shell eggs processed under the USDA Agricultural Marketing Service voluntary grading standards must receive a shell sanitizing rinse of 100 – 200 ppm chlorine or its equivalent after leaving the washing process. A study was conducted to determine the concentration of peroxyacetic acid (PAA) which would be...
Wed, 02/17/2021 - 06:05
Author(s): Yuting Wang, Chunhong Xiong, Wenxiang Luo, Jianke Li, Yonggang Tu, Yan Zhao Preserved eggs without adding heavy metals in the pickling solution (heavy metals-free preserved eggs) have been developed, but it was found that the undesirable phenomenon such as dry shrinkage and fading occurred when they were not packaged and stored at room temperature. In this study, the effects of five...
Fri, 02/12/2021 - 06:04
Author(s): Shuangshuang Zhai, Yongwen Zhu, Peishi Feng, Macheng Li, Wence Wang, Lin Yang, Ye Yang Ochratoxin A (OTA) is a widespread mycotoxin, that has strong thermal stability, and is difficult to remove from feed. OTA is nephrotoxic, hepatotoxic, teratogenic, immunotoxic and enterotoxic to several species of animals. The gut is the first defense barrier against various types of mycotoxins...
Tue, 01/26/2021 - 06:09
Author(s): Peikun Wang, Min Li, Haijuan Li, Yuyu Bi, Lulu Lin, Mengya Shi, Teng Huang, Meilan Mo, Tianchao Wei, Ping Wei One ALV-J strain GX14YYA1 was isolated from a commercial bivalent Newcastle disease (ND)-Infectious bronchitis (IB) vaccine in our previous study. In order to evaluate the pathogenicity of the ALV-J contaminated vaccine on commercial chickens, day-old Three-Yellow chicks in...
Sun, 01/24/2021 - 06:04
Author(s): Chunlin Yu, Mohan Qiu, Zengrong Zhang, Xiaoyan Song, Huarui Du, Han Peng, Qingyun Li, Li Yang, Xia Xiong, Bo Xia, Chenming Hu, Jialei Chen, Xiaosong Jiang, Chaowu Yang As a ubiquitous heavy metal, cadmium (Cd) is highly toxic to various organs. However, the effects and molecular mechanism of Cd toxicity in the chicken heart remain largely unknown. The goal of our study was to...
Thu, 01/21/2021 - 06:07
Author(s): Dorthe Sandvang, Line Skjoet-Rasmussen, Mette Dines Cantor, Greg F. Mathis, Brett S. Lumpkins, Alfred Blanch The application of probiotics in broiler feed, to alleviate performance deficiencies due to mild infections by coccidia and Clostridium perfringens, is of increasing interest for the poultry industry. Therefore, our objective was to evaluate the capacity of three Bacillus...
Thu, 01/21/2021 - 06:07
Author(s): H. Zeng, K. De Reu, S. Gabriël, W. Mattheus, L. De Zutter, G. Rasschaert Salmonella contamination sources and transmission routes were studied in five Belgian poultry slaughterhouses. Samples from the slaughter and cutting line after cleaning and disinfection were collected, as well as neck skin samples and thighs during slaughter of the first flock.
Thu, 01/21/2021 - 06:07
Author(s): Ondřej Krunt, Lukáš Zita, Adam Kraus, Monika Okrouhlá, Darina Chodová, Roman StupkaThe aim of this study was to evaluate the impact of the genotype (guinea fowl, native breed Leghorn and commercial hybrid hens), storage time (0, 14, 28 days) and storage temperature (fresh, 5, 20 °C) on eggshell quality traits and microbiological contamination of eggshell, eggshell membranes and albumen...
Thu, 01/21/2021 - 06:07
Author(s): Muhammad Akmal Raheem, Hu Jiangang, Dongdong Yin, Mei Xue, Kashif ur Rehman, Muhammad Ajwad Rahim, Yi Gu, Dandan Fu, Xiangjun Song, Jian Tu, Ibrar Muhammad Khan, M.Y. Tipu, Kezong Qi The antibiotic residues and pathogenic resistance against the drug are very common in poultry due to antibiotics used in their feed. It is necessary to use natural feed additives as effective alternatives...
Fri, 01/08/2021 - 06:04
Author(s): Zhang Jian, Wei Luo, Guifeng Liu, Yang Wang, Shizhong Geng, Zhiming Pan, Xin’an Jiao Salmonella Enteritidis (SE) is important zoonotic pathogens, it can be easily transferred to human by contaminated animal products. It is necessary for epidemic surveys of SE in current modern large-scale chicken farms. And so in this study, Salmonella strains were isolated from suspected samples being...
Wed, 01/06/2021 - 06:03
Author(s): Joshua M. Lyte, Sandip Shrestha, Basanta R. Wagle, Rohana Liyanage, Diego A. Martinez, Annie M. Donoghue, Karrie M. Daniels, Mark Lyte Microbial endocrinology, which is the study of neurochemical-based host-microbe interaction, has demonstrated that neurochemicals affect bacterial pathogenicity. A variety of neurochemicals, including norepinephrine, were shown to enhance intestinal...
Wed, 01/06/2021 - 06:03
Author(s): Zahra Nooreh, Kamran Taherpour, Mohammad Akbari Gharaei, Hassan Shirzadi, Hossein Ali Ghasemi Colonization of the gastrointestinal tract by potentially pathogenic bacteria and their shedding in animal feces is a fundamental factor for both animal health and human food safety. This study was conducted to evaluate the efficacy of salinomycin, direct-fed microbial, and Ferulago angulata...
Sat, 12/26/2020 - 06:06
Author(s): Angela Jie-won Ha, Lurdes G. Siberio Perez, Tae-Jo Kim, Md. Furkanur Rahaman Mizan, Shamsun Nahar, Si-Hong Park, Hyang-Sook Chun, Sang-Do Ha Salmonella is one of the common foodborne bacteria, causing 80.3 million illnesses every year worldwide. This study was conducted to isolate and identify S. enterica serovars from poultry samples responsible for causing foodborne poisoning in the...
Tue, 12/22/2020 - 06:07
Author(s): Manman Dai, Shibing Li, Keyi Shi, Hui Sun, Li Zhao, Deshui Yu, Jiayu Liao, Chenggang Xu, Ming Liao H9N2 avian influenza viruses (AIV) continue to circulate in vaccinated chicken flocks in China, which prompted us to investigate the differential immune protection factors induced by H9N2 AIV infection and immunization for analyzing the reason of protection deficiency of H9N2 AIV...
Fri, 12/11/2020 - 06:02
Author(s): Fan Sun, Xiu Li, Yan Wang, Fan Wang, Haojie Ge, Zhiming Pan, Yaohui Xu, Yanhong Wang, Xin'an Jiao, Xiang Chen Pullorum is a chicken–specific systemic disease caused by Salmonella enterica serovar Gallinarum biovar Pullorum (S. Pullorum). This study was carried out to provide basic data for understanding the trends of S. Pullorum. A total of 652 S. Pullorum isolates collected in China...
Fri, 12/11/2020 - 06:02
Author(s): Zolzaya Byambajav, Erdenebat Bulgan, Yuji Hirai, Momoko Nakayama, Misaki Tanaka, Nitta Yurika, Akio Suzuki, Takashi Umemura, Bold Altankhuu, Alimaa Tsagaan, Batbaatar Vanaabaatar, Erdenebaatar Janchivdorj, Nyam-Osor Purevdorj, Narantuya Ayushjav, Takeshi Yamasaki, Motohiro Horiuchi There has been no report on the prevalence of Campylobacter spp. in farm animals in Mongolia. To uncover...
Thu, 12/10/2020 - 06:03
Author(s): Tae-Sik Kim, Gang-San Kim, Joo-Sung Son, Van Dam Lai, In-Pil Mo, Hyesun Jang Duck meat consumption in South Korea has increased in recent years, but no standard about duck farm-specific biosecurity and hygiene guidelines have yet been established. We here investigated Salmonella contamination levels in duck farms to evaluate biosecurity and hygiene practices. We collected 1,116...
Thu, 12/10/2020 - 06:03
Author(s): Tianmin Li, Claudia D. Castañeda, Julio Miotto, Chris McDaniel, Aaron S. Kiess, Li Zhang Avian pathogenic Escherichia coli (APEC) causes colibacillosis in poultry, which has been traditionally controlled by the prophylactic in-feed supplementation of antibiotics. However, antibiotics are being removed from poultry diets due to the emergence of multidrug-resistant (MDR) bacteria....
Sat, 12/05/2020 - 06:10
Author(s): Kosar Gharib-Naseri, Sarbast Kheravii, Chake Keerqin, Robert A. Swick, Mingan Choct, Shu-Biao Wu The primary cause of necrotic enteritis (NE) disease in chickens is the NetB-positive Clostridium perfringens bacterium. Many factors are known to affect the severity of NE in the challenge models of broiler chickens, and one of these factors is the virulence of C. perfringens strain. This...
Fri, 11/20/2020 - 06:05
Author(s): K. Hertogs, M. Heyndrickx, P. Gelaude, L. De Zutter, J. Dewulf J, G. Rasschaert Poultry is seen as the main reservoir for Campylobacter. Control of this zoonotic pathogen in primary production could potentially reduce the colonization in broiler flocks and consequently reduce the number of human infections. In the present study, 20 broiler flocks from ten farms, were sampled...
Fri, 11/06/2020 - 06:07
Author(s): Ross C. Beier, J. Allen Byrd, Kathleen Andrews, Denise Caldwell, Tawni L. Crippen, Robin C. Anderson, David J. Nisbet Foodborne illness is an on-going problem worldwide and is caused by bacteria that invade the food chain from the farm, slaughter house, restaurant or grocery, or in the home and can be controlled by strategies using biocides (antiseptics and disinfectants)....
Fri, 11/06/2020 - 06:07
Author(s): Yan Guo, Balamuralikrishnan Balasubramanian, Zhi-Hui Zhao, Wen-Chao Liu Aflatoxin B1 (AFB1) causes toxic effect and leads to organ damage in broilers. Marine algal polysaccharides (MAPs) of Enteromorpha prolifera exert multiple biological activities, maybe have a potential detoxification effect on AFB1, but the related research in broilers is extremely rare. Therefore, the purpose of...
Fri, 11/06/2020 - 06:07
Author(s): Pouyan Malekinezhad, Laura E. Ellestad, Nazar Afzali, Seyed Homayoun Farhangfar, Arash Omidi, Abbas Mohammadi Many types of mycotoxins are found in food sources contaminated with fungi, and if these are ingested in large quantities or over a long period, they can affect the health of humans and domestic animals. Berberine (BBR) is a plant alkaloid with multiple pharmacological...
Wed, 11/04/2020 - 06:07
Author(s): Fangshen Guo, Fangyuan Wang, Haiyan Ma, Zhouzheng Ren, Xiaojun Yang, Xin Yang With global warming and ban on antibiotics, it occurs occasionally that deoxynivalenol (DON) together with Clostridium perfringens impairs the gut health of broiler chickens. However, the interactive effect of DON and C. perfringens on intestinal health is still unknown. A total of 120 1-day-old Arbor Acres...
Thu, 10/29/2020 - 06:15
Author(s): Xin Yu, Hongwei Zhu, Yongheng Bo, Youzhi Li, Yue Zhang, Yang Liu, Jianlong Zhang, Linlin Jiang, Guozhong Chen, Xingxiao Zhang Salmonella is a major zoonotic foodborne pathogen that persists on poultry farms worldwide. The present study aimed to survey the prevalence of Salmonella and antimicrobial resistance of Salmonella enterica serovar Enteritidis (S. Enteritidis) recovered from...
Thu, 10/22/2020 - 06:13
Author(s): Louis Anthony Cox Do faster slaughter line speeds for young chickens increase risk of Salmonella contamination? We analyze data collected in 2018-2019 from 97 slaughter establishments processing young chickens to examine the extent to which differences in slaughter line speeds across establishments operating under the same inspection system explain observed differences in their...
Thu, 10/15/2020 - 06:11
Author(s): Dongryeoul Bae, Jeong-Woo Lee, Jong-Pyo Chae, Jae-Won Kim, Jong-Su Eun, Kyung-Woo Lee, Kun-Ho Seo High necrotic enteritis (NE) incidence and mortality rates in poultry can be caused by Clostridium perfringens (CP) co-infected with Eimeria spp., a causative agent of coccidiosis. Banning of prophylactic use of antibiotics in feed has been accompanied by increased NE outbreaks, resulting...
Wed, 10/14/2020 - 06:07
Author(s): Bruno S. Mendonça, Willian R. de Oliveira, Rhaquel S. Pereira, Luciana R. Santos, Laura B. Rodrigues, Elci L. Dickel, Luciane Daroit, Fernando Pilotto A new poultry litter disinfection methodology against pathogenic Salmonella spp. serovars using gaseous ammonia is proposed in this study. In laboratory, the poultry litter was disposed into plastic containers and experimentally...
Wed, 10/14/2020 - 06:07
Author(s): D.V.T. Nair, T.J. Johnson, S.L. Noll, A. Kollanoor Johny A dairy-originated probiotic bacterium, Propionibacterium freudenreichii subsp. freudenreichii B3523 (PF) was found to be effective in reducing multidrug-resistant Salmonella Heidelberg (MDR SH) colonization in turkey poults (2-wk-old) and growing (7-wk-old) and finishing (12-wk-old) turkeys. In this study, we explored the...
Tue, 10/13/2020 - 06:12
Author(s): Lijun Hu, Guojie Cao, Eric W. Brown, Marc W. Allard, Li M. Ma, Ashraf A. Khan, Guodong Zhang Whole genome sequencing (WGS) is a valuable tool in research on foodborne pathogens. In this study, a total of 143 isolates of Salmonella serotypes Enteritidis, Typhimurium, and Heidelberg sourced from eggs and chickens were analyzed for their antimicrobial resistance profiles using WGS data....
Sat, 10/10/2020 - 06:10
Author(s): Xiaonan Zhao, Ming Hu, Qing Zhang, Cui Zhao, Yin Zhang, Lulu Li, Jing Qi, Yanbo Luo, Dong Zhou, Yuqing Liu Salmonella spp. are one of the most important foodborne bacterial pathogens in human beings and animals. This study aimed to analyze the prevalence and characterization of Salmonella from broilers in Shandong, China. A total of 67 Salmonella were recovered from 600 rectal swabs...
Thu, 10/08/2020 - 06:11
Author(s): S. Vaddu, J. Kataria, E.N. Rama, A.E. Moller, A. Gouru, M. Singh, H. Thippareddi Peroxy acetic acid (PAA) is widely used as an antimicrobial in poultry processing, specifically in the chiller. While the natural pH of PAA at the concentrations used is between 4.5 and 6.0, poultry processors adjust the pH to ≥8.0 to maintain product yield. The objective of this study was to evaluate (i)...
Thu, 10/08/2020 - 06:11
Author(s): Xinheng Zhang, Qiqi Zhao, Xiaotong Ci, Sheng Chen, Zi Xie, Hongxin Li, Huanmin Zhang, Feng Chen, Qingmei Xie The gole of the study was testing the effects of chlorogenic acid (CA) supplementation on small intestine healthiness, growth performance, oxidative stress, inflammatory response and blood biochemical indices in SPF chickens after infection with Clostridium perfringens (CP) type...
Thu, 10/08/2020 - 06:11
Author(s): Yang He, Yanyan Yang, Yuanyang Dong, Koichi Ito, Bingkun Zhang Salmonella Typhimurium (S. Typhimurium) infection in broiler chickens threatens public health and livestock production. In this study, we explored the effects of highly nutritious (crude protein 21.8%, metabolizable energy 3.16 Mcal/kg) and lowly nutritious (crude protein 18.1%, metabolizable energy 2.98 Mcal/kg) diets on S...
Wed, 09/30/2020 - 06:07
Author(s): Priscilla F. Gerber, Nic Gould, Eugene McGahan Bedding material or litter is an important requirement of meat chicken production which can influence bird welfare, health and food safety. A substantial increase in demand and cost of chicken bedding has stimulated interest in alternative bedding sources worldwide. However, risks arising from the use of alternative bedding materials for...
Sun, 09/27/2020 - 06:08
Author(s): Mengya Shi, Min Li, Peikun Wang, Weiwei Wang, Haijuan Li, Yanli Gao, Lulu Lin, Teng Huang, Ping Wei Both reticuloendotheliosis (RE) and Marek’s disease (MD) are neoplastic diseases of chickens caused by reticuloendotheliosis virus (REV) and Marek's disease virus (MDV) respectively. The infection of REV and/or MDV may lead to clinical tumors and also result in immunosuppression and...
Sun, 09/27/2020 - 06:08
Author(s): L.K. Froebel, L.E. Froebel, T. Duong The development of interventions to reduce human foodborne pathogens in the gastrointestinal (GI) tract of chickens will be important for improving the microbial food safety of poultry. Saccharomyces-derived prebiotic Refined Functional Carbohydrates (RFC), composed primarily of β-glucans, mannanoligosaccharides (MOS), and D-mannose, have been...
Sat, 09/26/2020 - 06:11
Author(s): Jingjing Sun, Cheng Zhang, Bingkun Zhang This study evaluates the effects of Zinc amino acid complex on broiler’s intestinal permeability and integrity challenged with Clostridium perfringens (C. perfringens). A total of 180 Arbor Acres one-day-old male broilers were assigned to six treatments in a completely randomized 2 × 3 factorial design. The experiment investigated the...
Thu, 09/17/2020 - 06:10
Author(s): E.G. Olson, L.A. Wythe, D.K. Dittoe, K.M. Feye, S.C. Ricke Peroxyacetic acid (PAA) has become an important component of pathogen reduction in poultry processing, but there are potential concerns for continued exposure. The objective was to evaluate the effects of PAA and Amplon™ (AMP) used alone or in the combination. Bone-in tom turkey drumsticks (N=100, n=10, k=5, 0 and 24 h) per...
Wed, 09/02/2020 - 06:06
Author(s): Nasrin Rashidi, Ali Khatibjoo, Kamran Taherpour, Mohammad Akbari-Gharaei, Hassan Shirzadi Probiotics, toxin binders and plant extracts improve health and immunity of broiler chickens exposed to aflatoxin. The effects of licorice extract (LE), Protexin probiotic, toxin binder (Agrabound) and poultry litter biochar (PLB) in experimental aflatoxicosis were evaluated. In a completely...
Fri, 08/28/2020 - 06:06
Author(s): Wageha A. Awad, Daniel Ruhnau, Claudia Hess, Michael Hess In recent years several studies emphasize on the deleterious effects of Campylobacter jejuni on the chicken intestine. In this context it was shown that Campylobacter jejuni, contrary to the general belief, has a negative influence on the gut barrier in chickens. More precisely, we demonstrated that C. jejuni affects gut...
Thu, 08/27/2020 - 06:10
Author(s): Richard K. Gast, Deana R. Jones, Rupa Guraya, Kenneth E. Anderson, Darrin M. Karcher The transmission of Salmonella to humans via contaminated eggs is an international public health concern. S. Enteritidis is deposited inside eggs after colonizing reproductive tissues of infected hens. Diverse housing facility characteristics and flock management practices influence Salmonella...
Sun, 08/16/2020 - 06:06
Author(s): Baikui Wang, Altaf Hussain, Yuanhao Zhou, Zihan Zeng, Qi Wang, Peng Zou, Li Gong, Pengwei Zhao, Weifen Li Macrophages are professional phagocytic cells that play a critical role in initiating immune responses by presenting antigen and phagocytic clearance. The macrophages can be targeted for immunomodulation by beneficial microbes, such as probiotics. The aim of this study is to...
Fri, 08/14/2020 - 06:06
Author(s): Yilan Li, Qiuping Yang, Chenyang Cao, Shenghui Cui, Yun Wu, Hua Yang, Yingping Xiao, Baowei Yang In this study, we evaluated the prevalence of Salmonella in retail raw chickens in Shaanxi Province, China on a monthly basis. Additionally, we studied the antibiotic susceptibility, serotype, and genotype of Salmonella isolates and explored their relationships with sampling time, location...
Sun, 08/09/2020 - 06:06
Author(s): Mashael R. Aljumaah, Gamaleldein M. Suliman, Abdulaziz Alabdullatif, Alaeldein, M. Abudabos Because of concerns over the use of antibiotics in poultry feed, this study was designed to determine the effectiveness of phytobiotic supplementation as an alternative to antibiotic use based on growth performance and meat characteristics of broilers exposed to Salmonella typhimurium. The...
Sun, 08/09/2020 - 06:06
Author(s): Dongryeoul Bae, Dong-Hyeon Kim, Jung-Whan Chon, Kwang-Young Song, Kun-Ho Seo In this study, we aimed to assess the feasibility of the lactic acid bacterium Lactobacillus kefiranofaciens DN1 (LKF_DN1) and the yeast Kluyveromyces marxianus KU140723-05 (KMA5), recently isolated from kefir, as probiotics. Specifically, we evaluated the effect of early administration of these two microbes...
Sun, 08/09/2020 - 06:06
Author(s): So-Young Choi, Tae Hyun Kim, Min-Wook Hong, Tae Sub Park, Hyojeong Lee, Sung-Jin Lee Aflatoxin B1 (AFB1) and ochratoxin A (OTA), which are toxic metabolites of ubiquitously occurring molds, show diverse toxicological effects such as hepatotoxicity, genotoxicity, and immunotoxicity in human and animals. Despite poultry show sensitivity to AFB1 and OTA, the mechanism of these mycotoxins...
Sat, 08/08/2020 - 06:10
Author(s): Gabriel da S. Oliveira, Sheila T. Nascimento, Vinícius M. dos Santos, Marley G. Silva The aim of this study was to evaluate the efficacy of sanitizing fertile eggs with clove essential oil as an alternative to paraformaldehyde; effects on the reduction in eggshell microbial count, incubation yield, and neonatal chick quality were measured. A total of 1,460 brown fertile eggs with a...

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