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https://www.readbyqxmd.com/read/28719840/environmental-and-human-health-challenges-of-industrial-livestock-and-poultry-farming-in-china-and-their-mitigation
#1
REVIEW
Yuanan Hu, Hefa Cheng, Shu Tao
Driven by the growing demand for food products of animal origin, industrial livestock and poultry production has become increasingly popular and is on the track of becoming an important source of environmental pollution in China. Although concentrated animal feeding operations (CAFOs) have higher production efficiency and profitability with less resource consumption compared to the traditional family-based and "free range" farming, they bring significant environmental pollution concerns and pose public health risks...
July 15, 2017: Environment International
https://www.readbyqxmd.com/read/28719770/household-exposure-to-livestock-and-health-in-the-chililab-hdss-cohort-vietnam
#2
Sinh Dang-Xuan, Lauren E MacDonald, Janna M Schurer, Hung Nguyen-Viet, Phuc Pham-Duc
In Vietnam, pigs and poultry are predominantly produced by small-scale farmers, creating challenges for zoonotic disease management. The objective of this study was to characterize practices related to livestock and manure management and to measure association with 3 self-reported health symptoms (coughing, fever, and diarrhea/nausea/vomiting) in a region currently undergoing health transitions. We analyzed cross-sectional survey data collected from a subset (N = 5520) of the Chi Linh Health and Demographic Surveillance System cohort in Chi Linh district, Vietnam...
July 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28719068/correlation-between-the-proportion-of-stained-eggs-and-the-number-of-mites-dermanyssus-gallinae-monitored-using-a-non-parallel-board-trap
#3
Makiko Odaka, Kazumasa Ogino, Michitaka Shikada, Kenichi Asada, Syoujirou Kasa, Takahiro Inoue, Ken Maeda
The poultry red mite (Dermanyssus gallinae) is a serious problem for the poultry industry worldwide. However, the relationship between the mite population and the damage that they cause is still unclear. In this study, the mite population in poultry houses was examined using an established trap method, and the risk of blood-stained eggs caused by the mites was assessed. Traps were placed once a week outside the egg channels and/or on the floor in two poultry farms in Fukuoka Prefecture, Japan, from April 2012 to July 2014...
July 18, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28712509/genetic-diversity-of-thermotolerant-campylobacter-spp-isolates-from-different-stages-of-the-poultry-meat-supply-chain-in-argentina
#4
María V Zbrun, Analía Romero-Scharpen, Carolina Olivero, Jorge A Zimmermann, Eugenia Rossler, Lorena P Soto, Diego M Astesana, Jesica E Blajman, Ayelén Berisvil, Laureano S Frizzo, Marcelo L Signorini
The objective of this study was to investigate a clonal relationship among thermotolerant Campylobacter spp. isolates from different stages of the poultry meat supply chain in Argentina. A total of 128 thermotolerant Campylobacter spp. (89 C. jejuni and 39 C. coli) isolates from six poultry meat chains were examined. These isolates were from: a) hens from breeder flocks, b) chickens on the farm (at ages 1 wk and 5 wk), c) chicken carcasses in the slaughterhouse, and d) chicken carcasses in the retail market...
July 13, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28702305/increased-risk-of-pneumonia-in-residents-living-near-poultry-farms-does-the-upper-respiratory-tract-microbiota-play-a-role
#5
Lidwien A M Smit, Gert Jan Boender, Wouter A A de Steenhuijsen Piters, Thomas J Hagenaars, Elisabeth G W Huijskens, John W A Rossen, Marion Koopmans, Gonnie Nodelijk, Elisabeth A M Sanders, Joris Yzermans, Debby Bogaert, Dick Heederik
BACKGROUND: Air pollution has been shown to increase the susceptibility to community-acquired pneumonia (CAP). Previously, we observed an increased incidence of CAP in adults living within 1 km from poultry farms, potentially related to particulate matter and endotoxin emissions. We aim to confirm the increased risk of CAP near poultry farms by refined spatial analyses, and we hypothesize that the oropharyngeal microbiota composition in CAP patients may be associated with residential proximity to poultry farms...
2017: Pneumonia
https://www.readbyqxmd.com/read/28691011/diversity-of-antimicrobial-resistance-phenotypes-in-salmonella-isolated-from-commercial-poultry-farms
#6
Karen A Liljebjelke, Charles L Hofacre, David G White, Sherry Ayers, Margie D Lee, John J Maurer
Salmonella remains the leading cause of foodborne illness in the United States, and the dissemination of drug-resistant Salmonellae through the food chain has important implications for treatment failure of salmonellosis. We investigated the ecology of Salmonella in integrated broiler production in order to understand the flow of antibiotic susceptible and resistant strains within this system. Data were analyzed from a retrospective study focused on antimicrobial resistant Salmonella recovered from commercial broiler chicken farms conducted during the initial years of the US FDA's foray into retail meat surveillance by the National Antimicrobial Resistance Monitoring System (NARMS)...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28689517/an-assessment-of-irish-farmers-knowledge-of-the-risk-of-spread-of-infection-from-animals-to-humans-and-their-transmission-prevention-practices
#7
M M Mahon, M C Sheehan, P F Kelleher, A J Johnson, S M Doyle
The aim of this study was to ascertain farmers' knowledge of the risk of spread of infection from animals to humans, and their transmission prevention practices. This was a survey of farmers who submitted material to Ireland's Regional Veterinary Laboratories in 2015. There was an 84% response rate (1044 farmers). Ninety per cent of farmers were not aware that infection can be acquired from apparently healthy animals. Over half were not aware that disease could be contracted from sick poultry or pets. Conversely, the knowledge of the risk to pregnant women of infection from birthing animals was high (88%)...
July 10, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28683526/characteristics-of-transmissible-ctx-m-and-cmy-type-%C3%AE-lactamase-producing-escherichia-coli-isolates-collected-from-pig-and-chicken-farms-in-south-korea
#8
Seung Won Shin, Myunghwan Jung, Ho Geun Won, Kuastros Mekonnen Belaynehe, In Joong Yoon, Han Sang Yoo
The rapid dissemination Extended-spectrum β-lactamase (ESBL)-producing Escherichia coli has significantly contributed to hazard of public health globally. A total of 281 E. coli strains recovered from pigs and chickens between 2009 and 2015 in South Korea were analyzed for ESBL-production. ESBL phenotypes were recognized in 14 E. coli isolates; ten and three ESBL-producing isolates carried only blaCTX-M and blaCMY genes, respectively, and one isolate harbored both genes. The predominant CTX-M- and CMY-types were CTX-M-15 (n=8) and CMY-2 (n=3)...
July 7, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28675464/chemical-composition-antimicrobial-and-insecticidal-activity-against-the-lesser-mealworm-alphitobius-diaperinus-panzer-coleoptera-tenebrionidae-of-origanum-vulgare-l-ssp-hirtum-link-and-artemisia-dracunculus-l-essential-oils
#9
Maria Szczepanik, Maciej Walczak, Beata Zawitowska, Marta Michalska-Sionkowska, Antoni Szumny, Czesław Wawrzeńczyk, Maria Swiontek Brzezinska
BACKGROUND: Essential oils (EOs) from Artemisia dracunculus L. and Origanum vulgare L. ssp. hirtum were obtained and the qualitative and quantitative chemical composition of the extracts was investigated. The insecticidal activity of EOs against the larval stages of Alphitobius diaperinus (Panzer) was studied. Moreover, the antimicrobial activity of these oils against pathogens transmitted by this pest was also investigated. RESULTS: The obtained results indicate the possibility of using Greek oregano EO with a high content of carvacrol as a feed additive in poultry nutrition...
July 4, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28674821/the-analysis-of-tetracyclines-quinolones-macrolides-lincosamides-pleuromutilins-and-sulfonamides-in-chicken-feathers-using-uhplc-ms-ms-in-order-to-monitor-antibiotic-use-in-the-poultry-sector
#10
Larissa J M Jansen, Yvette J C Bolck, Janneau Rademaker, Tina Zuidema, Bjorn J A Berendsen
In The Netherlands, all antibiotic treatments should be registered at the farm and in a central database. To enforce correct antibiotic use and registration, and to enforce prudent use of antibiotics, there is a need for methods that are able to detect antibiotic treatments. Ideally, such a method is able to detect antibiotic applications during the entire lifespan of an animal, including treatments administered during the first days of the animals' lives. Monitoring tissue, as is common practice, only provides a limited window of opportunity, as residue levels in tissue soon drop below measurable quantities...
July 4, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28669198/pathological-and-microbiological-investigations-into-cases-of-bacterial-chondronecrosis-and-osteomyelitis-in-broiler-poultry
#11
Dinidu S Wijesurendra, Anthony Neal Chamings, Rhys Nathan Bushell, Denise O' Rourke, Mark Stevenson, Marc Serge Marenda, Amir H Noormohammadi, Andrew Stent
Bacterial chondronecrosis and osteomyelitis (BCO) is increasingly recognised as a major cause of lameness in commercial broilers chickens worldwide, but the pathogenesis of the condition is incompletely understood. This was a longitudinal study of 20 commercial broiler farms in Victoria, Australia to investigate the etiology and pathology of BCO. Thorough postmortem examination was performed on culled and dead birds (n=325) from 20 different flocks at either 1 week, 4 weeks or 5 weeks of age and samples were analysed by conventional bacteriology, molecular identification of infectious organisms detected, serology and histopathology...
July 3, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28665737/fowl-adenoviruses-d-and-e-cause-inclusion-body-hepatitis-outbreaks-in-broiler-and-broiler-breeder-pullet-flocks
#12
Rima Morshed, Hossein Hosseini, Arash Ghalyanchi Langeroudi, Mohammad Hassan Bozorgmehri Fard, Saeid Charkhkar
Twenty-four fowl adenoviruses (FAdVs) were isolated from broiler and broiler breeder pullet flocks in Iran during 2013-2016 and were identified and characterized. All FAdVs were from inclusion body hepatitis (IBH) cases, showing an enlarged and pale yellow liver with multiple petechial hemorrhages. Phylogenetic analyses of partial hexon gene sequences are an adequate and quick method for differentiation and genotyping. The isolates were subjected to PCR to amplify a 590-bp fragment from the hexon gene. Sequence analysis revealed the presence of two species D and E...
June 2017: Avian Diseases
https://www.readbyqxmd.com/read/28665731/h7n7-highly-pathogenic-avian-influenza-in-poultry-farms-in-italy-in-2016
#13
P Mulatti, B Zecchin, I Monne, J T Vieira, T Dorotea, C Terregino, M Lorenzetto, L Loli Piccolomini, A Santi, P Massi, L Bonfanti, S Marangon
After the H7N7 highly pathogenic (HP) avian influenza (AI) outbreak in 2013, and a single case of H5N8 HPAI in 2014, in April 2016, a H7N7 HPAI virus was detected in northeastern Italy. The case occurred in an organic free-range laying hen farm located in proximity with one of the highest densely populated poultry areas (DPPAs) in Italy. Control measures provided by the Council of the European Union in directive 2005/94/CE were promptly applied, and enhanced surveillance activities were implemented in the DPPAs...
June 2017: Avian Diseases
https://www.readbyqxmd.com/read/28665725/industry-wide-surveillance-of-marek-s-disease-virus-on-commercial-poultry-farms
#14
David A Kennedy, Christopher Cairns, Matthew J Jones, Andrew S Bell, Rahel M Salathé, Susan J Baigent, Venugopal K Nair, Patricia A Dunn, Andrew F Read
Marek's disease virus is a herpesvirus of chickens that costs the worldwide poultry industry more than US$1 billion annually. Two generations of Marek's disease vaccines have shown reduced efficacy over the last half century due to evolution of the virus. Understanding where the virus is present may give insight into whether continued reductions in efficacy are likely. We conducted a 3-yr surveillance study to assess the prevalence of Marek's disease virus on commercial poultry farms, determine the effect of various factors on virus prevalence, and document virus dynamics in broiler chicken houses over short (weeks) and long (years) timescales...
June 2017: Avian Diseases
https://www.readbyqxmd.com/read/28665716/a-study-on-campylobacter-jejuni-and-campylobacter-coli-through-commercial-broiler-production-chains-in-thailand-antimicrobial-resistance-the-characterization-of-dna-gyrase-subunit-a-mutation-and-genetic-diversity-by-flagellin-a-gene-restriction-fragment-length
#15
Thotsapol Thomrongsuwannakij, Patrick J Blackall, Niwat Chansiripornchai
Contaminated poultry meat is regarded as the main source of human campylobacteriosis. During September 2014 and February 2015, breeder flocks, hatcheries, and broiler farms from two chicken production chains were investigated chronologically. Five commercial breeder flocks (Breeder Flocks 1-5), two hatcheries (Hatcheries A and B), and five broiler flocks (Broiler Flocks 1-5) were sampled in this study. Campylobacter colonization of both breeder and broiler flocks was determined from cloacal swabs and environmental samples (pan feeders, footwear, darkling beetles, flies, feed, and water)...
June 2017: Avian Diseases
https://www.readbyqxmd.com/read/28662329/quinolone-resistant-escherichia-coli-in-poultry-farming
#16
Kristýna Hricová, Magdaléna Röderová, Vendula Pudová, Vojtěch Hanulík, Dana Halová, Pavla Julínková, Monika Dolejská, Ivo Papoušek, Jan Bardoň
Increasing bacterial resistance to quinolone antibiotics is apparent in both humans and animals. For humans, a potential source of resistant bacteria may be animals or their products entering the human food chain, for example poultry. Between July 2013 and September 2014, samples were collected and analyzed in the Moravian regions of the Czech Republic to isolate the bacterium Escherichia coli. As a result, 212 E. coli isolates were obtained comprising 126 environmental isolates from poultry houses and 86 isolates from cloacal swabs from market-weight turkeys...
June 2017: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28659887/integrated-interventions-to-tackle-antimicrobial-usage-in-animal-production-systems-the-viparc-project-in-vietnam
#17
Juan J Carrique-Mas, Jonathan Rushton
Antimicrobial usage and antimicrobial resistance (AMR) in animal production is now recognized to be an important contributor to the global problem of AMR. Initiatives to curb indiscriminate antimicrobial use in animal production are currently being discussed in many low- and middle-income countries. Well-designed, scientifically sound interventions aimed to tackle excessive antimicrobial usage should provide scientists and policy makers with evidence of the highest quality to guide changes in policy and to formulate better targeted research initiatives...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28658278/antimicrobial-use-surveillance-in-broiler-chicken-flocks-in-canada-2013-2015
#18
Agnes Agunos, David F Léger, Carolee A Carson, Sheryl P Gow, Angelina Bosman, Rebecca J Irwin, Richard J Reid-Smith
There is a paucity of data on the reason for and the quantity of antimicrobials used in broiler chickens in Canada. To address this, the Canadian Integrated Program for Antimicrobial Resistance Surveillance (CIPARS) implemented surveillance of antimicrobial use (AMU) and antimicrobial resistance (AMR) in broiler chicken flocks in 2013. Shortly after this (2014), the poultry industry banned the preventive use of ceftiofur in broiler chickens. The objectives of this analysis were to describe antimicrobial use (AMU) in Canadian broiler chickens between 2013 and 2015 (n = 378 flocks), compare these results to other animal species in Canada, to highlight the utility of farm surveillance data to evaluate the impact of a policy change, and to explore how different antimicrobial use metrics might affect data interpretation and communication...
2017: PloS One
https://www.readbyqxmd.com/read/28652785/prevalence-and-antibiotic-resistance-of-coagulase-negative-staphylococci-isolated-from-poultry-farms-in-three-regions-of-ghana
#19
Vivian Etsiapa Boamah, Christian Agyare, Hayford Odoi, Francis Adu, Stephen Yao Gbedema, Anders Dalsgaard
The use of antibiotics in animal production has been associated with the development and spread of antibiotic-resistant organisms including commensals. Coagulase-negative Staphylococcus (CoNS) species, which were until recently considered non-pathogenic, have been associated with opportunistic infections and high resistance to several antibiotics. This study sought to determine the prevalence, identity, and phenotypic resistance of coagulase-negative Staphylococcus spp. isolated from some selected poultry farms and farm workers in the Ashanti, Brong Ahafo, and Greater Accra regions of Ghana...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28651355/evaluation-of-welfare-parameters-in-laying-hens-on-the-basis-of-a-bavarian-survey
#20
H Louton, S M Bergmann, E Rauch, C Liebers, S Reese, M H Erhard, C Hoeborn, A Schwarzer
Health issues like infestation with poultry red mite (Dermanyssus gallinae) and behavioral problems such as feather pecking and cannibalism are reported as current problems on laying hen farms. However, the epidemiological prevalence of these issues in Bavaria, Germany, is not known. The objective of the present survey was to determine the epidemiological prevalence of health and behavioral parameters and the management of hen farms in practice. The survey was sent to all laying hen farmers with more than 1,000 hens in Bavaria, Germany, and contained questions regarding flock management, behavior problems and health issues...
June 23, 2017: Poultry Science
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