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https://www.readbyqxmd.com/read/29928943/co-occurrence-of-biofilm-formation-and-quinolone-resistance-in-salmonella-enterica-serotype-typhimurium-carrying-an-inchi2-type-oqxab-positive-plasmid
#1
Hongping Shi, Xueyan Zhou, Wencheng Zou, Yongxiang Wang, Changwei Lei, Rong Xiang, Long Zhou, Bihui Liu, Anyun Zhang, Hongning Wang
The objective of this study was to investigate the co-occurrence of biofilms and quinolone resistance in Salmonella enterica serotype Typhimurium mediated by IncHI2-type oqxAB-positive plasmids. Among the 40 Salmonella strains, we found that 27 isolates formed biofilms and displayed identical multidrug-resistance profiles to ciprofloxacin, doxycycline, sulfamethoxazole-trimethoprim, ampicillin and streptomycin, based on biofilm formation assays and antimicrobial susceptibility testing. In particular, a single S...
June 18, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29914481/avian-influenza-a-h5n1-outbreaks-in-different-poultry-farm-types-in-egypt-the-effect-of-vaccination-closing-status-and-farm-size
#2
Jean Artois, Carla Ippoliti, Annamaria Conte, Madhur S Dhingra, Pastor Alfonso, Abdelgawad El Tahawy, Ahmed Elbestawy, Hany F Ellakany, Marius Gilbert
BACKGROUND: The Avian Influenza A (H5N1) virus is endemic in poultry in Egypt. The winter of 2014/2015 was particularly worrying as new clusters of HPAI A (H5N1) virus emerged, leading to an important number of AI A (H5N1) outbreaks in poultry farms and sporadic human cases. To date, few studies have investigated the distribution of HPAI A (H5N1) outbreaks in Egypt in relation to protective / risk factors at the farm level, a gap we intend to fill. The aim of the study was to analyse passive surveillance data that were based on observation of sudden and high mortality of poultry or drop in duck or chicken egg production, as a basis to better understand and discuss the risk of HPAI A (H5N1) presence at the farm level in large parts of the Nile Delta...
June 18, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29914170/transcriptomic-analysis-of-the-campylobacter-jejuni-response-to-t4-like-phage-nctc-12673-infection
#3
Jessica C Sacher, Annika Flint, James Butcher, Bob Blasdel, Hayley M Reynolds, Rob Lavigne, Alain Stintzi, Christine M Szymanski
Campylobacter jejuni is a frequent foodborne pathogen of humans. As C. jejuni infections commonly arise from contaminated poultry, phage treatments have been proposed to reduce the C. jejuni load on farms to prevent human infections. While a prior report documented the transcriptome of C. jejuni phages during the carrier state life cycle, transcriptomic analysis of a lytic C. jejuni phage infection has not been reported. We used RNA-sequencing to profile the infection of C. jejuni NCTC 11168 by the lytic T4-like myovirus NCTC 12673...
June 16, 2018: Viruses
https://www.readbyqxmd.com/read/29911151/pathological-and-molecular-investigation-of-velogenic-viscerotropic-newcastle-disease-outbreak-in-a-vaccinated-chicken-flocks
#4
Asok Kumar Mariappan, Palanivelu Munusamy, Deepak Kumar, Shyma K Latheef, Shambu Dayal Singh, Rajendra Singh, Kuldeep Dhama
Newcastle disease virus (NDV) belongs to genus Avulavirus and family Paramyxoviridae. There are thirteen serotypes named APMV-I (Avian Paramyxovirus-I) to APMV-13 of which NDV has been designated as APMV-1. The disease has been reported worldwide affecting both domestic and wild avian species. Morbidity and mortality rates up to 100% have been reported in cases of unvaccinated flocks. Stringent vaccination schedule is practiced in endemic/disease prone areas in order to prevent the disease. Despite this, NDV outbreaks have been reported even in cases of vaccinated populations...
June 2018: Virusdisease
https://www.readbyqxmd.com/read/29911149/characterization-of-marek-s-disease-virus-and-phylogenetic-analyses-of-meq-gene-from-an-outbreak-in-poultry-in-meghalaya-of-northeast-india
#5
Kekungu-U Puro, Uttaran Bhattacharjee, Samprity Baruah, Arnab Sen, Samir Das, Sandeep Ghatak, Sunil Doley, Rajkumari Sanjukta, Ingudam Shakuntala
The aim of the present study was to characterize the virus from the lesions and histopathology of organs associated with mortality in Kuroiler (dual purpose variety of poultry developed and marketed by Keggfarms Pvt. Ltd, India) birds suspected of Marek's disease. Among 1047 birds from two farms of different location with 5.5 and 34% mortality, two types of lesion were observed in post mortem examination; tumors in vital organs-liver, spleen, kidney, lung and ovaries and generalized small nodular tumour in the abdominal cavity...
June 2018: Virusdisease
https://www.readbyqxmd.com/read/29898199/occurrences-of-ornithocoris-toledoi-cimicidae-on-a-free-range-chicken-farm-in-the-state-of-rio-de-janeiro-brazil
#6
Marcus Sandes Pires, Hermes Ribeiro Luz, Maristela Peckle, Claudia Bezerra da Silva, Gabriela Lopes Vivas Vitari, Renata Lins da Costa, Mariana Guimarães Graciosa, Huarrisson Azevedo Santos, João Luiz Horacio Faccini, Carlos Luiz Massard
Ornithocoris toledoi is a hematophagous insect that parasites birds, particularly, galliformes. Although the occurrence of this arthropod is relatively low in Brazil, this is an important ectoparasite associated with backyarding poultry. The objective of this study was to report the occurrence of O. toledoi in a free-range chicken farm in the state of Rio de Janeiro, Brazil, including aspects of its taxonomic identification, biology and epidemiology.
June 11, 2018: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/29897783/multilocus-sequence-typing-of-campylobacter-jejuni-and-campylobacter-coli-to-identify-potential-sources-of-colonization-in-commercial-turkey-farms
#7
Alessandra Piccirillo, Martina Giacomelli, Giulia Niero, Carlotta De Luca, Lisa Carraro, Giovanni Ortali, Lapo Mughini-Gras
Poultry is the main reservoir for thermophilic Campylobacter spp., the most common causative agent of human bacterial gastroenteritis. The epidemiology of Campylobacter in poultry, particularly in turkey, is not completely understood. This study aimed at identifying potential sources and transmission routes of thermophilic Campylobacter spp. in commercial turkey farms. C. jejuni and C. coli isolates from breeders (n = 29, 20 C. jejuni and 9 C. coli) and their progeny (n = 51, 18 C. jejuni and 33 C. coli) reared in two different farms for three sequential production cycles were analysed by Multilocus Sequence Typing (MLST)...
June 13, 2018: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/29897603/infectious-bronchitis-virus-gel-vaccination-evaluation-of-mass-like-b-48-and-793-b-like-1-96-vaccine-kinetics-after-combined-administration-at-1-day-of-age
#8
Claudia M Tucciarone, Giovanni Franzo, Alice Bianco, Giacomo Berto, Gema Ramon, Pascal Paulet, Konstantinos C Koutoulis, Mattia Cecchinato
Infectious bronchitis (IB) control has a strong impact on poultry farming, because of the necessary epidemiological knowledge for planning the best strategy, the optimal strain association, the priming and boosting interventions. Broiler farming is even more problematic given the short and intense productive cycle, which requires an early onset of protection against most of the infectious threats, possibly with limited respiratory post-vaccination reactions that would have a direct impact on the bird health and productivity...
June 8, 2018: Poultry Science
https://www.readbyqxmd.com/read/29891799/erratum-martin-j-e-et-al-welfare-risks-of-repeated-application-of-on-farm-killing-methods-for-poultry-animals-2018-8-39
#9
Jessica E Martin, Dale A Sandercock, Victoria Sandilands, Julian Sparrey, Laurence Baker, Nick H C Sparks, Dorothy E F McKeegan
The authors wish to make the following correction to their paper[...].
June 11, 2018: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/29891149/exploring-contacts-facilitating-transmission-of-influenza-a-h5n1-virus-between-poultry-farms-in-west-java-indonesia-a-major-role-for-backyard-farms
#10
Hendra Wibawa, Desniwaty Karo-Karo, Eko Sugeng Pribadi, Annemarie Bouma, Rogier Bodewes, Hans Vernooij, Diyantoro, Agus Sugama, David H Muljono, Guus Koch, Fadjar Sumping Tjatur Rasa, Arjan Stegeman
Highly pathogenic avian influenza virus (HPAIV) H5N1 has been reported in Asia, including Indonesia since 2003. Although several risk factors related to the HPAIV outbreaks in poultry in Indonesia have been identified, little is known of the contact structure of farms of different poultry production types (backyard chickens, broilers, layers, and ducks). This study aims to quantify the contact rates associated with the movement of people, and movements of live birds and products and equipment that affect the risk of HPAIV H5N1 transmission between poultry farms in Indonesia...
August 1, 2018: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29889546/modulation-of-gastrointestinal-barrier-and-nutrient-transport-function-in-farm-animals-by-natural-plant-bioactive-compounds-a-comprehensive-review
#11
Amlan Kumar Patra, Salah Amasheh, Jörg Rudolf Aschenbach
The use of antibiotics in diets has been restricted in several countries as a precautionary measure to avoid development of antibiotic resistance among pathogenic microorganisms. This regulation promoted the exploration of natural plant bioactive compounds (PBCs) as feed additives to improve productivity, welfare and health of livestock and poultry. Along with several beneficial attributes of PBCs, including antimicrobial, antioxidant and various pharmacological effects, they also improve barrier function and nutrient transport in the gastrointestinal (GI) tract...
June 11, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29877733/methicillin-resistant-staphylococcus-aureus-in-poultry-and-poultry-meat-a-meta-analysis
#12
Claudia M Ribeiro, Lenita M Stefani, Simone B Lucheis, Werner Okano, Juliano Cezar M Cruz, Guilherme V Souza, Thais A C Casagrande, Paula Andrea S Bastos, Rafael R Pinheiro, Mauro M Arruda, Vera Afreixo
Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium that colonizes and infects various host species and has been found in the poultry production chain, raising concerns about possible transmission from farm to fork. The objective of this study was to use meta-analytical methods to estimate the pooled prevalence of MRSA in chickens, turkeys, chicken meat, and turkey meat. Three electronic databases (PubMed, LILACS, and SciELO) were searched to establish MRSA prevalence from 51 studies published from 2003 through May 2017...
June 7, 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29877314/probiotic-potential-of-lactobacillus-isolates-of-chicken-origin-with-anti-campylobacter-activity
#13
Marta Dec, Anna Nowaczek, Renata Urban-Chmiel, Dagmara Stępień-Pyśniak, Andrzej Wernicki
Campylobacteriosis is currently the most frequent zoonosis in humans and the main source of infection is contaminated poultry meat. As chickens are a natural host for Campylobacter species, one strategy to prevent infection in humans is to eliminate these bacteria on poultry farms. A study was conducted to evaluate the probiotic potential of 46 Lactobacillus isolates from chickens faeces or cloacae. All lactobacilli were able to produce active compounds on solid media with antagonistic properties against C...
June 6, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29874761/residues-of-pesticides-and-metabolites-in-chicken-kidney-liver-and-muscle-samples-from-poultry-farms-in-dar-es-salaam-and-pwani-tanzania
#14
John A M Mahugija, Patrick E Chibura, Esther H J Lugwisha
The concentrations of organochlorine and organophosphorus pesticides and metabolites were investigated in chicken kidney, liver and muscle samples obtained from chickens collected from four poultry farms in Dar es Salaam and Pwani regions in Tanzania. The samples were extracted by solid dispersion using cyclohexane:ethyl acetate. The extracts were cleaned by adsorption column chromatography. The analytes were determined using gas chromatography-mass spectrometry (GC-MS). The concentrations of total DDT, total endosulfan and total HCHs in the samples ranged from 0...
February 2018: Chemosphere
https://www.readbyqxmd.com/read/29872425/investigating-the-association-between-the-caecal-microbiomes-of-broilers-and-campylobacter-burden
#15
Ioannis Sakaridis, Richard J Ellis, Shaun A Cawthraw, Arnoud H M van Vliet, Dov J Stekel, Johanna Penell, Mark Chambers, Roberto M La Ragione, Alasdair J Cook
One of the major transmission routes for the foodborne bacterial pathogen Campylobacter is undercooked poultry meat, contaminated from intestinal contents during processing. In broilers, Campylobacter can grow to very high densities in the caeca, and is often considered to be a commensal or an opportunistic pathogen in poultry. Reduction of caecal loads of Campylobacter may assist in lowering incidence rates of Campylobacter food poisoning. To achieve this, there needs to be a better understanding of the dynamics of Campylobacter colonization in its natural niche, and the effect of the local microbiome on colonization...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29866224/serosurvey-of-avian-metapneumovirus-orithobacterium-rhinotracheale-and-chlamydia-psittaci-and-their-potential-association-with-avian-airsacculitis
#16
Zong Hui Zuo, Tian Yuan Zhang, Yong Xia Guo, Jun Chu, Guang Gang Qu, Li Zhong Miao, Zhi Qiang Shen, Cheng He
Seasonal outbreaks of airsacculitis in China's poultry cause great economic losses annually. This study tried to unveil the potential role of Avian metapneumovirus (AMPV), Ornithobacterium rhinotracheale (ORT) and Chlamydia psittaci (CPS) in avian airsacculitis. A serological investigation of 673 breeder chickens and a case-controlled study of 430 birds were undertaken. Results showed that infection with AMPV, ORT, and CPS was highly associated with the disease. The correlation between AMPV and CPS were positively robust in both layers and broilers...
May 2018: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29861196/influence-of-organic-and-inorganic-sources-of-nutrients-on-the-functional-diversity-of-microbial-communities-in-the-vegetable-cropping-system-of-the-indo-gangetic-plains
#17
Mallappa Manjunath, Upendra Kumar, Raj Bahadur Yadava, Awadhesh Bahadur Rai, Bijendra Singh
The aim of the present study was to assess the effects of different organic and inorganic fertilizers on the functional diversity of soil microbial community under a vegetable production system. The Biolog® Eco-plate technique and indices, such as average well-colour development (AWCD), McIntosh and Shannon diversity were employed to study the diversity of soil microorganisms. The AWCD, i.e. overall utilization of carbon sources, suggested that different organic treatments had a significant impact on the metabolic activity of soil microorganisms...
May 31, 2018: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/29851365/molecular-characterization-of-escherichia-coli-isolated-from-chickens-with-colibacillosis-in-senegal
#18
Passoret Vounba, Kane Yaghouba, Cheikh Ndiaye, Julie Arsenault, John Morris Fairbrother, Rianatou Bada Alambédji
Avian pathogenic Escherichia coli (APEC), a subset of extraintestinal pathogenic E. coli (ExPEC), are the etiologic agent of avian colibacillosis, one of the main causes of economic losses in the poultry industry. The aim of this study was to characterize E. coli isolated from diseased chickens in Senegal to elucidate their virulence potential and antimicrobial resistance (AMR). A total of 58 isolates, each from a separate farm, were characterized for AMR, virulence, and AMR genes, phylogroup, serogroup, biofilm formation, and pulsed-field gel electrophoresis, and for two isolates, whole-genome sequencing (WGS)...
May 31, 2018: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/29846447/frequency-of-anti-toxocara-antibodies-in-broiler-chickens-in-southern-brazil
#19
Adilson Cardoso de Oliveira, Guita Rubinsky-Elefant, Yslla Fernanda Fitz Balo Merigueti, Aline da Silveira Batista, Vamilton Alvares Santarém
The aim of this study was to evaluate the presence of anti-Toxocara antibodies in naturally infected broiler chickens (n = 189) from the state of Paraná, southern Brazil. The chickens were reared in a semi-intensive system by small family farmers (n = 7). An enzyme-linked immunosorbent assay (ELISA) was performed to detect the presence of anti- Toxocara spp. IgY after serum adsorption with Ascaridia galli antigens. An overall seroprevalence of 67.7% (128/189; 95% CI = 61.1-74.4) was observed. The frequency of positive animals by farm ranged from 29...
May 24, 2018: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/29842974/isolation-and-antimicrobial-resistance-among-escherichia-coli-isolated-from-farm-chickens-in-taif-province-saudi-arabia
#20
Aly E Abo-Amer, Mohammed Y Shobrak, Abdullah D Altalhi
BACKGROUND: Poultry is one of main sources of food in the world. Drug-resistant E. coli can be transmitted to humans by contact with poultry wastes or by contaminated poultry products, which therefore contributes to the increasing crisis of antimicrobial resistance. The research described here aims to determine the incidence of antimicrobial resistance in E. coli isolated from chickens in Taif province of Saudi Arabia and to identify the genes responsible any resistance observed. METHODS: 150 cloacal swabs were aseptically obtained from chickens from different farms...
May 26, 2018: Journal of Global Antimicrobial Resistance
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