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https://www.readbyqxmd.com/read/28223253/development-and-characterization-of-mouse-monoclonal-antibodies-reactive-with-chicken-cxcli2
#1
Woo H Kim, Hyun S Lillehoj, Yeasul Lim, Wongi Min, Yvonne B Sullivan, Laura Kakach, Joanna W LaBresh
Interleukin-8(IL-8)/CXCL8 is a CXC-family chemokine attracts lymphocytes to sites of tissue damage and plays a role in the inflammatory response and wound healing. Chicken chemotactic and angiogenic factor was referred to as chCXCLi2 and has been studied as one of human CXCL8 homologue for more than 20 years. However, no monoclonal antibodies (mAbs) that specifically detect chCXCLi2 have been developed. Here, we developed and characterized mouse mAbs against chCXCLi2 to define its immunological properties. Two mouse mAbs against chCXCLi2 were generated and confirmed to display specific binding with not only recombinants, but endogenous chCXCLi2 by Western blot analysis, ELISA, and immunocytochemistry...
February 18, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28223026/development-and-application-of-nsp5-elisa-for-the-detection-of-antibody-to-infectious-bronchitis-virus
#2
Jing Lei, Tingting Shi, Dongnan Sun, Kaikun Mo, Yan Yan, Yulan Jin, Min Liao, Jiyong Zhou
Infectious bronchitis virus (IBV) continues to be one of the most important poultry pathogens worldwide. The current commercially available enzyme-linked immunosorbent assay (ELISA) kits for IBV specific antibody detection are mostly based on the whole virion, and few serological tests based on nonstructural proteins of IBV have been developed. Herein, an alternative indirect ELISA for detection of IBV antibody was developed with IBV nonstructural protein 5 (nsp5) produced by Escherichia coli. Using an indirect immunofluorescence assay (IFA) and a commercial ELISA kit as reference, we optimized the nsp5-ELISA and determined its cut-off as 0...
February 18, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28222859/determination-of-benzimidazoles-in-meat-samples-by-capillary-zone-electrophoresis-tandem-mass-spectrometry-following-dispersive-liquid-liquid-microextraction
#3
Carmen Tejada-Casado, David Moreno-González, Francisco J Lara, Ana M García-Campaña, Monsalud Del Olmo-Iruela
A novel method based on capillary zone electrophoresis-tandem mass spectrometry has been proposed and validated for the identification and simultaneous quantification of twelve benzimidazoles in meat samples. Electrophoretic separation was carried out using 500mM formic acid (pH 2.2) as background electrolyte and applying a voltage of 25kV at 25°C. In order to improve the sensitivity, stacking mode injection was applied, using as injection solvent a mixture of 30:70 acetonitrile/water at 50mbar for 75s. Sensitivity enhancement factors from 74 to 317 were obtained under these conditions...
February 14, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28222780/advanced-biosensors-for-detection-of-pathogens-related-to-livestock-and-poultry
#4
REVIEW
Jasmina Vidic, Marisa Manzano, Chung-Ming Chang, Nicole Jaffrezic-Renault
Infectious animal diseases caused by pathogenic microorganisms such as bacteria and viruses threaten the health and well-being of wildlife, livestock, and human populations, limit productivity and increase significantly economic losses to each sector. The pathogen detection is an important step for the diagnostics, successful treatment of animal infection diseases and control management in farms and field conditions. Current techniques employed to diagnose pathogens in livestock and poultry include classical plate-based methods and conventional biochemical methods as enzyme-linked immunosorbent assays (ELISA)...
February 21, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28222765/new-h6-influenza-virus-reassortment-strains-isolated-from-anser-fabalis-in-anhui-province-china
#5
Ye Ge, Hongliang Chai, Zhiqiang Fan, Xianfu Wang, Qiucheng Yao, Jian Ma, Si Chen, Yuping Hua, Guohua Deng, Hualan Chen
BACKGROUND: H6 subtype avian influenza viruses are globally distributed and, in recent years, have been isolated with increasing frequency from both domestic and wild bird species as well as infected humans. Many reports have examined the viruses in the context of poultry or several wild bird species, but there is less information regarding their presence in migratory birds. METHODS: Hemagglutination and hemagglutination inhibition tests were used to measure HA activity for different HA subtypes...
February 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28222764/occurrence-of-salmonella-spp-a-comparison-between-indoor-and-outdoor-housing-of-broilers-and-laying-hens
#6
Martin Wierup, Helene Wahlström, Elina Lahti, Helena Eriksson, Désirée S Jansson, Åsa Odelros, Linda Ernholm
BACKGROUND: Outdoor production of poultry is rapidly increasing, which could be associated with increased risks for exposure to different environmental sources of Salmonella. We report a comparison on the occurrence of Salmonella during 2007-2015 in broilers and laying hens in outdoor and indoor production subjected to the same requirements for the prevention and control of Salmonella as applied in Sweden. RESULTS: Our results give no indication that, during the period studied, the exposure to Salmonella in outdoor poultry production was higher than in the indoor production...
February 21, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28222746/c-terminal-region-of-apoptin-affects-chicken-anemia-virus-replication-and-virulence
#7
REVIEW
Yongqiang Wang, Xiuqing Song, Honglei Gao, Xiaoyan Wang, Yonghao Hu, Yulong Gao, Xiaole Qi, Liting Qin, Huan Lin, Li Gao, Shuai Yao, Chunyan Han, Xiaomei Wang, Hualan Chen
BACKGROUND: Chicken anemia virus (CAV) causes anemia and immune suppression, which are important diseases in the poultry industry. CAV VP3, also referred as 'apoptin', has been shown to selectively kill tumor cells, raising great hopes for its utilization as an anticancer therapy. The ability of apoptin to induce apoptosis is closely related to its nuclear localization. The C-terminal region of apoptin contains a bipartite nuclear localization signals (NLS), and a nuclear export signal (NES) is located between the arms of the NLS...
February 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28222327/diversity-evolution-and-population-dynamics-of-avian-influenza-viruses-circulating-in-the-live-poultry-markets-in-china
#8
Liang-Jun Chen, Xian-Dan Lin, Jun-Hua Tian, Yong Liao, Xu-Hua Ying, Jian-Wei Shao, Bin Yu, Jing-Jing Guo, Miao-Ruo Wang, Ying Peng, Mang Shi, Edward C Holmes, Zhan-Qiu Yang, Yong-Zhen Zhang
Live poultry markets (LPMs) are an important source of novel avian influenza viruses (AIV). During 2015-2016 we surveyed AIV diversity in ten LPMs in Hubei, Zhejiang and Jiangxi provinces, China. A high diversity and prevalence of AIVs (totaling 12 subtypes) was observed in LPMs in these provinces. Strikingly, however, the subtypes discovered during 2015-2016 were markedly different to those reported by us in these same localities one year previously, suggesting a dynamic shift in viral genetic diversity over the course of a single year...
February 18, 2017: Virology
https://www.readbyqxmd.com/read/28221963/prevalence-and-antimicrobial-resistance-of-enterobacteriaceae-in-shell-eggs-from-small-scale-poultry-farms-and-farmers-markets
#9
A Kilonzo-Nthenge, S N Nahashon, S Godwin, S Liu, D Long
Public health concerns over the emergence of antimicrobial resistant bacteria have increased recently. The purpose of this study was to investigate the prevalence of antimicrobial resistant Enterobacteriaceae in shell eggs purchased from small poultry farms and farmers' markets. A total of 504 eggs were pooled to make 252 composite samples, consisting of 2 eggs per composite. The microbial quality of shell eggs was determined by standard quantitative, biochemical, and PCR techniques. Susceptibility to 13 antimicrobial agents was determined by the Kirby-Bauer disk diffusion technique, and results were interpreted based on Clinical and Laboratory Standards Institute values...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221958/using-a-six-sigma-fishbone-analysis-approach-to-evaluate-the-effect-of-extreme-weather-events-on-salmonella-positives-in-young-chicken-slaughter-establishments
#10
John W Linville, Douglas Schumann, Christopher Aston, Stephanie Defibaugh-Chavez, Scott Seebohm, Lucy Touhey
A six sigma fishbone analysis approach was used to develop a machine learning model in SAS, Version 9.4, by using stepwise linear regression. The model evaluated the effect of a wide variety of variables, including slaughter establishment operational measures, normal (30-year average) weather, and extreme weather events on the rate of Salmonella -positive carcasses in young chicken slaughter establishments. Food Safety and Inspection Service (FSIS) verification carcass sampling data, as well as corresponding data from the National Oceanographic and Atmospheric Administration and the Federal Emergency Management Agency, from September 2011 through April 2015, were included in the model...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221926/evaluation-of-selected-nutrients-and-contaminants-in-distillers-grains-from-ethanol-production-in-texas
#11
Kyung-Min Lee, Timothy J Herrman, Lynn Post
This article contains the results of the evaluation of distillers grain (DG) coproducts from different ethanol plants around the United States and supplemented in animal diets in Texas, based on samples analyzed from 2008 to 2014. The samples were assessed for concentration, occurrence, and prevalence of selected nutrients and contaminants. Protein and sulfur contents of DG were largely different between maize and sorghum coproducts, as well as wet distillers grain with solubles (WDGS) and dried distillers grain with solubles (DDGS), indicating a significant effect of grain feedstock and dry grind process stream on DG composition and quality...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221911/molecular-subtyping-and-source-attribution-of-campylobacter-isolated-from-food-animals
#12
Gregory H Tyson, Heather P Tate, Jason Abbott, Thu-Thuy Tran, Claudine Kabera, Emily Crarey, Shenia Young, Patrick F McDERMOTT, Grisselle Sprague, Mark Campbell, Oyewole Adeyemo, Johnette Browne-Silva, Michael Myers, Sutawee Thitaram, Shaohua Zhao
Campylobacter spp. commonly cause gastrointestinal illness in humans. Poultry meats have long been considered the predominant source of these infections, but few in-depth Campylobacter source attribution studies have been completed. We analyzed more than 1,300 Campylobacter isolates recovered from a number of animal and food sources, including dairy and beef cattle, pigs, poultry, and retail poultry meat, and compared them with Campylobacter isolates recovered from human clinical samples. Each isolate was subtyped using pulsed-field gel electrophoresis (PFGE) with SmaI and queried against the Centers for Disease Control and Prevention PulseNet database to identify human isolates with indistinguishable patterns...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221907/salmonella-presence-in-mandibular-mesenteric-and-subiliac-lymph-nodes-collected-from-sheep-and-goats-in-the-united-states
#13
Keelyn E Hanlon, Markus F Miller, Lacey M Guillen, Mindy M Brashears
Even though often underappreciated in the United States, meat derived from goats and lambs is a valuable global commodity. Although extensive studies have been conducted examining pathogen prevalence in beef, pork, and poultry species, less research is available about pathogen presence in small ruminants. Understanding the presence of Salmonella in small ruminants can influence processing method improvements for these species to minimize food safety risks. The objective of this study was to establish the Salmonella presence in lymph nodes from sheep (n = 311) and goats (n =357) in the United States...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221899/improvement-of-karmali-agar-by-supplementation-with-tazobactam-for-detecting-campylobacter-in-raw-poultry
#14
Young-Ji Kim, Chon-Jung Whan, Hong-Seok Kim, Kwang-Yeop Kim, Jin-Hyeok Yim, Seung-Hak Cho, Kun-Ho Seo
In this study, Karmali agar was modified by adding tazobactam (T-Karmali agar) to suppress the growth of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli , which frequently contaminates raw poultry meat. By inoculating 30 Campylobacter spp. strains and 25 ESBL-producing E. coli strains onto Karmali agar and T-Karmali agar containing various concentrations of the antibacterial agent, we determined the optimum concentration of tazobactam to be 4 mg/liter. The Campylobacter spp. isolation rate on T-Karmali agar (13...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221880/spread-of-a-major-clone-of-salmonella-enterica-serotype-enteritidis-in-poultry-and-in-salmonellosis-outbreaks-in-southern-brazil
#15
Karen Apellanis Borges, Thales Quedi Furian, Sara Neves de Souza, Eduardo César Tondo, André Felipe Streck, Carlos Tadeu Pippi Salle, Hamilton Luiz de Souza Moraes, Vladimir Pinheiro do Nascimento
Salmonella spp. are among the most important agents of foodborne diseases all over the world. Human Salmonella outbreaks are often associated with the consumption of poultry products (meat and eggs), and one of the most prevalent serotypes associated with these products is Salmonella Enteritidis. Brazil is one of the most important poultry exporters in the world. In southern Brazil, three closely related clones of Salmonella Enteritidis have been responsible for the majority of foodborne Salmonella outbreaks over the past decade...
January 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221839/a-limited-survey-of-aflatoxins-and-zearalenone-in-feed-and-feed-ingredients-from-pakistan
#16
Shahzad Zafar Iqbal, Muhammad Rafique Asi, Sonia Nisar, Khalid Mahmood Zia, Selamat Jinap, Noeen Malik
This work presents current information on the presence of aflatoxins (AFs) and zearalenone (ZEN) in feed and feed ingredients from Punjab, Pakistan. The 105 samples tested were concentrated feed, i.e., cotton seed meal (18 samples) and soybean meal (14), and feed ingredients, i.e., crushed corn (17), crushed wheat (15), barley (17). and poultry feed (24). Samples were analyzed using high-performance liquid chromatography equipped with a fluorescence detector. Analysis revealed that 69 of 105 samples were contaminated with AFs, and the highest mean concentrations of AFB1 (6...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221105/zoonotic-transmission-of-mcr-1-colistin-resistance-gene-from-small-scale-poultry-farms-vietnam
#17
Nguyen Vinh Trung, Sébastien Matamoros, Juan J Carrique-Mas, Nguyen Huu Nghia, Nguyen Thi Nhung, Tran Thi Bich Chieu, Ho Huynh Mai, Willemien van Rooijen, James Campbell, Jaap A Wagenaar, Anita Hardon, Nguyen Thi Nhu Mai, Thai Quoc Hieu, Guy Thwaites, Menno D de Jong, Constance Schultsz, Ngo Thi Hoa
We investigated the consequences of colistin use in backyard chicken farms in Vietnam by examining the prevalence of mcr-1 in fecal samples from chickens and humans. Detection of mcr-1-carrying bacteria in chicken samples was associated with colistin use and detection in human samples with exposure to mcr-1-positive chickens.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28220658/serological-evidence-for-exposure-to-avian-influenza-viruses-within-poultry-workers-in-southern-china
#18
E de Bruin, X Zhang, C Ke, R Sikkema, M Koopmans
The risk of infection with avian influenza viruses for poultry workers is relatively unknown in China, and study results are often biased by the notification of only the severe human cases. Protein microarray was used to detect binding antibodies to 13 different haemagglutinin (HA1-part) antigens of avian influenza A(H5N1), A(H7N7), A(H7N9) and A(H9N2) viruses, in serum samples from poultry workers and healthy blood donors collected in the course of 3 years in Guangdong Province, China. Significantly higher antibody titre levels were detected in poultry workers when compared to blood donors for the most recent H5 and H9 strains tested...
February 20, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28219238/public-health-risk-of-arsenic-species-in-chicken-tissues-from-live-poultry-markets-of-guangdong-province-china
#19
Yuanan Hu, Wenfeng Zhang, Hefa Cheng, Shu Tao
Arsenic-based feed additives, such as roxarsone (ROX), are still legally and widely used in food animal production in many countries. This study was conducted to systematically characterize the content and speciation of arsenic in chicken tissues from live poultry markets and in commercial chicken feeds in Guangdong, a major poultry production and consumption province in China, and to assess the corresponding public health risk. The total arsenic contents in the commercial feeds could be modeled as a mixture of two log-normal distributions (geometric means: 0...
February 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28217442/whole-genome-sequencing-and-analysis-of-campylobacter-coli-yh502-from-retail-chicken-reveals-a-plasmid-borne-type-vi-secretion-system
#20
Sandeep Ghatak, Yiping He, Sue Reed, Terence Strobaugh, Peter Irwin
Campylobacter is a major cause of foodborne illnesses worldwide. Campylobacter infections, commonly caused by ingestion of undercooked poultry and meat products, can lead to gastroenteritis and chronic reactive arthritis in humans. Whole genome sequencing (WGS) is a powerful technology that provides comprehensive genetic information about bacteria and is increasingly being applied to study foodborne pathogens: e.g., evolution, epidemiology/outbreak investigation, and detection. Herein we report the complete genome sequence of Campylobacter coli strain YH502 isolated from retail chicken in the United States...
March 2017: Genomics Data
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