RESUMEN
An enteric infection in cockatoos associated with a 30 nm diameter enterovirus-like agent seen in faeces and intestinal epithelial cells is described. The disease is characterised by intractable, profuse, mucoid diarrhoea, weight loss, dehydration and death. Lesions in the intestine consist of villous atrophy, villous fusion, enterocyte hyperplasia and, in some cases, chronic inflammation. Affected birds so far examined have concurrent psittacine beak and feather disease.
Asunto(s)
Enfermedades de las Aves/microbiología , Infecciones por Enterovirus/veterinaria , Enfermedades Intestinales/veterinaria , Psittaciformes/microbiología , Animales , Enfermedades de las Aves/patología , Infecciones por Enterovirus/patología , Heces/microbiología , Enfermedades Intestinales/microbiología , Enfermedades Intestinales/patologíaAsunto(s)
Enfermedades de las Aves/patología , Páncreas/patología , Psittaciformes , Enfermedad Aguda , Animales , Femenino , Masculino , NecrosisAsunto(s)
Enfermedades de las Aves/patología , Virosis/veterinaria , Animales , Enfermedades de las Aves/microbiología , Aves , Molleja de las Aves/patología , Hígado/patología , Papillomaviridae , Polyomaviridae , Bazo/patología , Infecciones Tumorales por Virus/microbiología , Infecciones Tumorales por Virus/patología , Infecciones Tumorales por Virus/veterinaria , Virosis/microbiología , Virosis/patologíaAsunto(s)
Anticuerpos Monoclonales , Antígenos Bacterianos/análisis , Enfermedades de las Aves/diagnóstico , Chlamydophila psittaci/inmunología , Fluoresceínas , Colorantes Fluorescentes , Psitacosis/veterinaria , Tiocianatos , Animales , Enfermedades de las Aves/microbiología , Fluoresceína-5-Isotiocianato , Psitacosis/diagnósticoAsunto(s)
Pollos , Enfermedades Intestinales/veterinaria , Enfermedades de las Aves de Corral/epidemiología , Infecciones por Spirochaetales/veterinaria , Animales , Ciego/microbiología , Diarrea/epidemiología , Diarrea/veterinaria , Heces/microbiología , Enfermedades Intestinales/epidemiología , Mucosa Intestinal/microbiología , Prevalencia , Spirochaetales/aislamiento & purificación , Infecciones por Spirochaetales/epidemiología , Australia Occidental/epidemiologíaRESUMEN
Nestling budgerigars and galahs and one-day-old SPF chickens were inoculated with an homogenate prepared from the feathers of a variety of birds with psittacine beak and feather disease (PBFD), and known to contain virus-like particles 20 nm in diameter. Uninoculated birds were included as in-contact controls and groups of birds were also inoculated with homogenate treated with beta-propriolactone to inactivate any virus present. Typical PBFD developed in many of the inoculated birds and in some in-contact controls but in none of the birds inoculated with inactivated homogenate nor in SPF chickens. It is concluded from these findings that PBFD is an infectious disease of viral aetiology and is identical to the disease in budgerigars commonly referred to as 'French Moult'.