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CORONA VIRAL ENTERITIS OF TURKEYS
DUCK VIRUS HEPATITIS
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acute adenovirus affected birds air sacs airsacculitis anemia antibiotics antibody antigen Aspergillosis avian avium bacterial birds botulism broiler bursa bursa of Fabricius carriers cause cecal cells characterized chickens and turkeys chicks chronic CLINICAL SIGNS coccidia coccidiosis contaminated cryptosporidiosis deficiency diagnosis diarrhea disinfectants ducklings ducks DVH type egg production embryos EPIZOOTIOLOGY erysipelas ETIOLOGY exudate feces feed fowl cholera frequently g/ton game birds gross lesions hatched hemorrhages hens hepatitis HISTORICAL INFORMATION identified immunity inclusion bodies infection influenza inoculated intestine isolated layers lesions LESIQHS litter liver Marek's disease mortality mucosa Mycoplasma mycotoxins necrosis necrotic Newcastle disease occur oocysts organism outbreaks oviduct parasites paratyphoid pathogenic pheasants pigeons poultry Prevention pullorum disease quail reported respiratory disease Salmonella serotypes signs and lesions sinuses skin species spleen strains susceptible birds syndrome tendon tissue tract transmission treatment turkeys usually vaccine viral virus viruses vitamin waterfowl weeks of age wild birds young birds