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isolation, propagation, identification and comparative pathogenicity of five egyptian field strains of eimeria tenella from broiler chickens in five different provinces in egypt.a battery trial was conducted to evaluate the comparative pathogenicity of five field strains of eimeria tenella from behera, khafr el-sheikh, alexandria, gharbia and matrouh provinces in egypt. two-week-old broiler chickens were infected with 25×10(3) sporulated oocysts of each strain of e. tenella. the comparative pathogenicity of the strains was assessed by calculating body weight gain, feed conversion ratio, lesion scores, dropping nature scores, cecal scrapings, mortality percentage and ooc ...201021134686
evaluation of the protective efficacy of the anticoccidial vaccine coccivac-b in broilers, when challenged with egyptian field isolates of e. tenella.the present study was performed to explore the efficacy of the commercial anticoccidial vaccine (coccivac b®) in broiler chickens using five field strains of eimeria tenella that were isolated from five provinces in egypt. this study also analyzed the its-1-rdna sequence of these five strains and its corresponding sequence in the vaccine. in a floor pen experiment, 216 one-day-old commercial broiler chicks were classified into vaccinated and non-vaccinated groups. each main group was classified ...201323001507
putative human and avian risk factors for avian influenza virus infections in backyard poultry in egypt.highly pathogenic influenza a virus subtype h5n1 causes significant poultry mortality in the six countries where it is endemic and can also infect humans. egypt has reported the third highest number of poultry outbreaks (n=1084) globally. the objective of this cross-sectional study was to identify putative risk factors for h5n1 infections in backyard poultry in 16 villages in damietta, el gharbia, fayoum, and menofia governorates from 2010-2012. cloacal and tracheal swabs and serum samples from ...201424315038
zoonotic chicken toxoplasmosis in some egyptians governorates.toxoplasmosis is one of the most common diseases prevalent in the world, caused by a coccidian parasite toxoplasma gondii which infects humans, animals and birds. poultry consider reliable human source of food in addition it is considered an intermediate host in transmission of the disease to humans. trails of isolation of local t. gondii chicken strain through bioassay of the suspected infected chicken tissues in mice was carried out and the isolated strain was confirmed as being t. gondii usin ...201224163965
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