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https://www.readbyqxmd.com/read/28087147/immune-responses-to-in-ovo-vaccine-formulations-containing-inactivated-fowl-adenovirus-8b-with-poly-di-sodium-carboxylatoethylphenoxy-phosphazene-pcep-and-avian-beta-defensin-as-adjuvants-in-chickens
#1
Mishal Sarfraz, Muhammed Suleman, Suresh K Tikoo, Colette Wheler, Andrew A Potter, Volker Gerdts, Arshud Dar
Inclusion body hepatitis (IBH) is one of the major viral infections causing substantial economic loss to the global poultry industry. The disease is characterized by a sudden onset of mortality (2-30%) and high morbidity (60-70%). IBH is caused by a number of serotypes of fowl adenovirus with substantially low levels of serotype cross protection. Thus far, there is no effective and safe vaccine commercially available in the North America for the control of IBH in chickens. Poly[di(sodium carboxylatoethylphenoxy)]phosphazene (PCEP) is a high molecular weight, biodegradable water soluble polymer that has been well characterized as a safe and effective adjuvant for a number of experimental veterinary vaccines...
January 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28086873/cecal-micrornaome-response-to-salmonella-enterica-serovar-enteritidis-infection-in-white-leghorn-layer
#2
Guixian Wu, Yukai Qi, Xiaoyi Liu, Ning Yang, Guiyun Xu, Liying Liu, Xianyao Li
BACKGROUND: Salmonella enterica serovar Enteritidis (SE) is a food-borne pathogen and of great threat to human health through consuming the contaminated poultry products. MicroRNAs (miRNAs) play an important role in different biological activities and have been shown to regulate the innate immunity in the bacterial infection. The objective of this study is to identify miRNAs associated with SE infection in laying chicken cecum. RESULTS: Average number of reads of three libraries constructed from infected and non-infected chickens was 12,476,156 and 10,866,976, respectively...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28086751/quantifying-predictors-for-the-spatial-diffusion-of-avian-influenza-virus-in-china
#3
Lu Lu, Andrew J Leigh Brown, Samantha J Lycett
BACKGROUND: Avian influenza virus (AIV) causes both severe outbreaks and endemic disease among poultry and has caused sporadic human infections in Asia, furthermore the routes of transmission in avian species between geographic regions can be numerous and complex. Using nucleotide sequences from the internal protein coding segments of AIV, we performed a Bayesian phylogeographic study to uncover regional routes of transmission and factors predictive of the rate of viral diffusion within China...
January 13, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28081355/oral-delivery-of-probiotics-in-poultry-using-ph-sensitive-tablets
#4
Tao Jiang, Hui-Shan Li, Geon Goo Han, Bijay Singh, Sang-Kee Kang, Jin-Duck Bok, Dae-Duk Kim, Zhong-Shan Hong, Yun-Jaie Choi, Chong-Su Cho
As alternatives to antibiotics in live stocks, probiotics have been used although most of them in the form of liquid or semisolid formulations which show low cell viability after oral administration. Therefore, suitable dry dosage forms should be developed for live stocks to protect probiotics against the low pH in the stomach such that the products have higher probiotics survivability. Here, in order to develop a dry dosage forms of probiotics for poultry, we used hydroxyproyl methylcellulose phthalate 55 (HPMCP 55) as a tablet forming matrix to develop probiotics in a tablet form for poultry...
January 12, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28079520/genetic-characterisation-of-novel-highly-pathogenic-avian-influenza-hpai-h5n6-viruses-isolated-in-birds-south-korea-november-2016
#5
Young-Jae Si, In Won Lee, Eun-Ha Kim, Young-Il Kim, Hyeok-Il Kwon, Su-Jin Park, Hiep Dinh Nguyen, Se Mi Kim, Jin-Jung Kwon, Won-Suk Choi, Yun Hee Beak, Min-Suk Song, Chul-Joong Kim, Richard J Webby, Young-Ki Choi
A novel genotype of H5N6 influenza viruses was isolated from migratory birds in South Korea during November 2016. Domestic outbreaks of this virus were associated with die-offs of wild birds near reported poultry cases in Chungbuk province, central South Korea. Genetic analysis and animal studies demonstrated that the Korean H5N6 viruses are highly pathogenic avian influenza (HPAI) viruses and that these viruses are novel reassortants of at least three different subtypes (H5N6, H4N2 and H1N1).
January 5, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28076773/thymol-detection-and-quantitation-by-solid-phase-microextraction-in-faeces-and-egg-yolk-of-japanese-quail
#6
María E Fernandez, Marcela A Palacio, María C Labaque
To measure bioavailability of the active ingredients of phytogenic feed additives in poultry products and subproducts is a key element for developing a rational understanding of its mode of action and biological effects. Hence, we validated a headspace solid phase microextraction (HS-SPME) technique followed by gas chromatography-mass spectrometry as an analytical extraction procedure and as method for detection and quantitation of 2-Isopropyl-5-methylphenol (thymol) in faeces and egg yolk of quail. The suitability of this method for thymol analysis in both matrices was first proved via linearity, limit of detection, limit of quantification, and recovery using m-cresol as internal standard...
December 31, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28070539/data-on-genome-analysis-of-mycoplasmagallisepticum-during-intracellular-infection
#7
Daria Matyushkina, Olga Pobeguts, Irina Garanina, Vladislav Babenko, Maria Vakhitova, Gleb Fisunov, Vadim Govorun
The genus Mycoplasma relates to Gram-positive bacteria that lack a cell wall and are capable to cause chronic disease in humans and animals. Among the agents of infection and disease in domestic poultry and wild birds, Mycoplasma gallisepticum is the most important mycoplasma species, causing considerable losses in the poultry industry. In the present paper, we provide data on adaptation of M. gallisepticum to the eukaryotic host cells on the genomic level. The major changes were predominantly localized in the VlhA-hemagglutinin genes which are important components of pathogenesis...
February 2017: Data in Brief
https://www.readbyqxmd.com/read/28069830/meat-intake-and-risk-of-diverticulitis-among-men
#8
Yin Cao, Lisa L Strate, Brieze R Keeley, Idy Tam, Kana Wu, Edward L Giovannucci, Andrew T Chan
OBJECTIVE: Diverticulitis is a common disease with a substantial clinical and economic burden. Besides dietary fibre, the role of other foods in the prevention of diverticulitis is underexplored. DESIGN: We prospectively examined the association between consumption of meat (total red meat, red unprocessed meat, red processed meat, poultry and fish) with risk of incident diverticulitis among 46 461 men enrolled in the Health Professionals Follow-Up Study (1986-2012)...
January 9, 2017: Gut
https://www.readbyqxmd.com/read/28068343/the-fleas-siphonaptera-in-iran-diversity-host-range-and-medical-importance
#9
Naseh Maleki-Ravasan, Samaneh Solhjouy-Fard, Jean-Claude Beaucournu, Anne Laudisoit, Ehsan Mostafavi
BACKGROUND: Flea-borne diseases have a wide distribution in the world. Studies on the identity, abundance, distribution and seasonality of the potential vectors of pathogenic agents (e.g. Yersinia pestis, Francisella tularensis, and Rickettsia felis) are necessary tools for controlling and preventing such diseases outbreaks. The improvements of diagnostic tools are partly responsible for an easier detection of otherwise unnoticed agents in the ectoparasitic fauna and as such a good taxonomical knowledge of the potential vectors is crucial...
January 9, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28067811/knowledge-and-attitudes-towards-handling-eggs-in-the-home-an-unexplored-food-safety-issue
#10
Harriet Whiley, Beverley Clarke, Kirstin Ross
Foodborne illness is a global public health issue, with food handling in the home identified as an underestimated source. In Australia, there has been a significant increase in the incidence of salmonellosis with the majority of outbreaks linked to eggs. This study investigated Australian eggs consumer attitudes, behaviours and risk perceptions associated with the handling of raw eggs in the home. It was identified that 67% of participants chose free range eggs, 11% kept poultry, 7% did not have any preference, 7% cage eggs, 4% barn eggs, 2% organic eggs and 1% pasteurized eggs...
January 6, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28067137/residue-depletion-of-ivermectin-in-broiler-poultry
#11
Nora Mestorino, Daniel Buldain, Andrea Buchamer, Lihuel Gortari, Martín Daniele, María Laura Marchetti
Helminth infections are widespread in the poultry industry. There is evidence of extra-label use of some drugs, such as ivermectin (IVM) in broiler poultry. Pharmacokinetic and residual studies of IVM in poultry, however, are rather scarce. Our aim was to determine time restrictions for broiler chickens fed with balanced feed mixed with IVM for 21 days, could be in acceptable residual levels for consumption as established by the EU. Sixty 1-day old chicks were fed with food supplemented with IVM at 5 mg/kg feed for 21 days...
January 9, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28066939/the-nutrition-of-poultry-as-a-factor-affecting-litter-quality-and-foot-pad-dermatitis-an-updated-review
#12
REVIEW
S Swiatkiewicz, A Arczewska-Wlosek, D Jozefiak
Foot pad dermatitis (FPD), a condition of inflammation and necrotic lesions on the plantar surface of the footpads, is commonly observed in fast-growing broiler chickens and turkeys. FPD negatively affects the welfare of birds, performance indices and the economic profit of poultry meat production. Nutrition is an important factor affecting water intake, excreta moisture and litter quality and, in this way, the occurrence and intensity of FPD in birds. This article reviews and discusses the recent results published in the literature on the effects of nutritional factors on litter quality and FPD severity in broiler chickens and turkeys...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28065818/growth-retardation-induced-by-avian-leukosis-virus-subgroup-j-associated-with-down-regulated-wnt-%C3%AE-catenin-pathway
#13
Weiguo Feng, Defang Zhou, Wei Meng, Gen Li, Pingping Zhuang, Zhifang Pan, Guihua Wang, Ziqiang Cheng
Avian leukosis virus subgroup J (ALV-J), an oncogenic retrovirus, induces growth retardation and neoplasia in chickens, leading to enormous economic losses in poultry industry. Increasing evidences showed several signal pathways involved in ALV-J infection. However, what signaling pathway involved in growth retardation is largely unknown. To explore the possible signaling pathway, we tested the cell proliferation and associated miRNAs in ALV-J infected CEF cells by CCK-8 and Hiseq, respectively. The results showed that cell proliferation was significantly inhibited by ALV-J and three associated miRNAs were identified to target Wnt/β-catenin pathway...
January 5, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28064414/aflatoxin-b1-induced-systemic-toxicity-in-poultry-and-rescue-effects-of-selenium-and-zinc
#14
REVIEW
Muhammad Jameel Mughal, Xi Peng, Asghar Ali Kamboh, Yi Zhou, Jing Fang
Among many challenges, exposure to aflatoxins, particularly aflatoxin B1 (AFB1), is one of the major concerns in poultry industry. AFB1 intoxication results in decreased meat/egg production, hepatotoxicity, nephrotoxicity, disturbance in gastrointestinal tract (GIT) and reproduction, immune suppression, and increased disease susceptibility. Selenium (Se) and zinc (Zn), in dietary supplementation, offer easy, cost-effective, and efficient ways to neutralize the toxic effect of AFB1. In the current review, we discussed the impact of AFB1 on poultry industry, its biotransformation, and organ-specific noxious effects, along with the action mechanism of AFB1-induced toxicity...
January 7, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28063211/nmr-metabolomics-investigates-the-influence-of-flavonoid-enriched-rations-on-chicken-plasma
#15
Charalambos Fotakis, Dimitra Z Lantzouraki, Michael Goliomytis, Panagiotis E Simitzis, Maria Charismiadou, Stelios G Deligeorgis, Panagiotis Zoumpoulakis
The use of flavonoids as dietary supplements is well established, mainly due to their intense antioxidant and anti-inflammatory properties. In the present study, hesperidin, naringin, and vitamin E were used as additives at different concentrations in poultry rations in order to achieve meat of improved quality. NMR metabolomics was applied to chicken blood serum samples to discern whether and how the enriched rations affected the animals’ metabolic profile. Variations in the metabolic patterns according to sustenance consumption were traced by orthogonal projections to latent structures discriminant analysis (OPLS-DA) models and were attributed to specific metabolites by using S-line plots...
January 7, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28062951/the-effect-of-selenium-on-the-cd-induced-apoptosis-via-no-mediated-mitochondrial-apoptosis-pathway-in-chicken-liver
#16
Runxiang Zhang, Ran Yi, Yanju Bi, Lu Xing, Jun Bao, Jianhong Li
Cd-induced apoptosis and the protective effects of Se against Cd-induced injury have been reported in previous studies. However, little is known regarding the effects of Cd-induced apoptosis in hepatic cells and the antagonistic effects of Se on Cd in poultry. In the present study, 128 healthy 31-week-old laying hens were randomly divided into four groups, which were fed basic diets, with the addition of Se (Na2SeO3, 2 mg/kg), Cd (CdCl2, 150 mg/kg), or Se + Cd (150 mg/kg of CdCl2 and 2 mg/kg of Na2SeO3) for 90 days...
January 6, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28062014/novel-variants-of-clade-2-3-2-1-h5n1-highly-pathogenic-avian-influenza-virus-in-migratory-waterfowl-of-hongze-lake
#17
Wenming Jiang, Guangyu Hou, Jinping Li, Cheng Peng, Suchun Wang, Jiming Chen
Wild birds are known to play a major role in the evolution, maintenance, and spread of the avian influenza viruses (AIVs). More specifically, the waterfowl are thought to be the natural reservoirs of AIVs. Here, we conducted a survey in 2015 at the Hongze Lake and characterized 11 H5N1 highly pathogenic AIVs isolated from wild waterfowls which were found to belong to clade 2.3.2.1. In contrast, the 11 variants of H5N1 viruses did not align with the three previously defined monophyletic subclades. Antigenicity analysis revealed that antigenic drift occurred in these H5N1 variants...
January 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28062013/origin-and-evolution-of-lx4-genotype-infectious-bronchitis-coronavirus-in-china
#18
Wenjun Zhao, Mengying Gao, Qianqian Xu, Yang Xu, Yan Zhao, Yuqiu Chen, Tingting Zhang, Qiuling Wang, Zongxi Han, Huixin Li, Lingfeng Chen, Shuling Liang, Yuhao Shao, Shengwang Liu
We investigated the genomic characteristics of 110 LX4 genotype strains of infectious bronchitis viruses (IBVs) isolated between 1995 and 2005 in China. The genome of these IBVs varies in size from 27596bp to 27790bp. Most IBV strains have the typical genomic organization of other gamacoronaviruses, however, two strains lacked 3a and 5b genes as a result of a nucleotide change within the start codon in the 3a or 5b genes. Analysis of our 110 viruses revealed that recombination events may be responsible for the emergence of the LX4 genotype with different topologies...
January 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28062009/reduced-particle-size-wheat-bran-is-butyrogenic-and-lowers-salmonella-colonization-when-added-to-poultry-feed
#19
K Vermeulen, J Verspreet, C M Courtin, F Haesebrouck, R Ducatelle, F Van Immerseel
Feed additives, including prebiotics, are commonly used alternatives to antimicrobial growth promoters to improve gut health and performance in broilers. Wheat bran is a highly concentrated source of (in)soluble fiber which is partly degraded by the gut microbiota. The aim of the present study was to investigate the potential of wheat bran as such to reduce colonization of the cecum and shedding of Salmonella bacteria in vivo. Also, the effect of particle size was evaluated. Bran with an average reduced particle size of 280μm decreased levels of cecal Salmonella colonization and shedding shortly after infection when compared to control groups and groups receiving bran with larger particle sizes...
January 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28062008/experimental-infection-of-mandarin-duck-with-highly-pathogenic-avian-influenza-a-h5n8-and-h5n1-viruses
#20
Hyun-Mi Kang, Eun-Kyoung Lee, Byung-Min Song, Gyeong-Beom Heo, Joojin Jung, Il Jang, You-Chan Bae, Suk Chan Jung, Youn-Jeong Lee
A highly pathogenic avian influenza (HPAI) H5N8 virus was first detected in poultry and wild birds in South Korea in January 2014. Here, we determined the pathogenicity and transmissibility of three different clades of H5 viruses in mandarin ducks to examine the potential for wild bird infection. H5N8 (clade 2.3.4.4) replicated more efficiently in the upper and lower respiratory tract of mandarin ducks than two previously identified H5N1 virus clades (clades 2.2 and 2.3.2.1). However, none of the mandarin ducks infected with H5N8 and H5N1 viruses showed severe clinical signs or mortality, and gross lesions were only observed in a few tissues...
January 2017: Veterinary Microbiology
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