Poultry Flashcards
Fowl plague
Avian influenza virus (notifiable): green diarrhea + cyanosis + edema + discoloration of shanks, feet + bloody oral/nasal discharge
Avian encephalomyelitis
Picornovirus causes neurological signs in 1-2 week old chick –> vaccinate breeder animals
Necrotic enteritis
Clostridium perfringens C (gram-positive rods): high mortality + treat with antibiotics
Marek’s disease
Herpesvirus: thickened nerves + ocular signs + raised skin + gray foci of neoplasia on visceral organs –> in-ovo vaccination
Lymphoid leukosis
Viral disease causes lymphoma
Nutritional encephalomalacia
Vitamin E deficiency causes neurological signs in chicks
Reticuloendotheliosis
Retrovirus causes runting, neoplasia and lymphoma
Deep pectoral myopathy
Green muscle disease affecting supracoracoideus
Infectious Bronchitis Virus
Coronavirus with high morbidity: respiratory disease and changes to egg shell quality –> viral isolation after passages in chick embryo
Infectious bursal disease (gumboror disease)
Birna virus affects bursa of fabricius causing diarrhea, ataxia, vent picking –> vaccinate
Newcastle disease
Paramyxovirus causing diarrhea, respiratory and neurological signs –> vaccinate
Fowl cholera
Pasteurella multocida: pyrexia, diarrhea, mucoid oral discharge, effusions –> vaccinate or treat with sulfonamides, tetracyclines, penicillin.
Infectious laryngotracheitis
Herpesvirus diagnosed by intranuclear inclusion bodies from trachea
Fowl pox
Poxvirus affecting 1-2 week old chicks: dry + wet form causing scabs and warts or fibrinous plaques in URT –> vaccinate chick embryos
Avian chlamydiosis
Necrosis of internal organs diagnosed by intracytoplasmic inclusion bodies. Treat with tetracycline.