Spiking mortality of turkey poults. 1. Experimental reproduction in isolation facilities

Spiking mortality of turkeys (SMT) is an infectious disease of 5-to-25-day-old turkey poults characterized by acute enteritis and bursal and thymic atrophy. Brooding 1-day-old poults on litter taken from naturally occurring cases successfully reproduced SMT 5 days postexposure. Oral exposure to an o...

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Bibliographic Details
Published in:Avian diseases 1997-07, Vol.41 (3), p.604-609
Main Authors: Brown, T.P, Garcia, A.P, Kelley, L
Format: Article
Language:English
Subjects:
ANIMAL DISEASES
ANIMALES JOVENES
Animals
ATROFIA
ATROPHIE
ATROPHY
AVES DE CORRAL
Body Weight
BOLSA DE FABRICIO
BOURSE DE FABRICIUS
BURSA FABRICII
Bursa of Fabricius - pathology
Bursa of Fabricius - virology
CORONAVIRIDAE
Coronavirus
Coronavirus, Turkey - isolation & purification
DEATH
DINDON
Energy Metabolism
ENFERMEDADES DE LOS ANIMALES
ENFERMEDADES INFECCIOSAS
ENTERITE
ENTERITIS
Enteritis, Transmissible, of Turkeys - mortality
Enteritis, Transmissible, of Turkeys - pathology
Enteritis, Transmissible, of Turkeys - physiopathology
EXPERIMENTAL INFECTION
Feces - virology
Floor pens
Gastrointestinal Contents - microbiology
Histology
HISTOPATHOLOGIE
HISTOPATHOLOGY
HISTOPATOLOGIA
INFECCION EXPERIMENTAL
INFECTION EXPERIMENTALE
INFECTIOUS DISEASES
INTESTIN
Intestinal Mucosa - pathology
Intestine, Small - pathology
INTESTINES
INTESTINOS
JEUNE ANIMAL
Lesions
MALADIE DES ANIMAUX
MALADIE INFECTIEUSE
MORT
Mortality
MUERTE
PAVO
POULTRY
Poults
Thymus Gland - pathology
Time Factors
TURKEYS
Viruses
VOLAILLE
YOUNG ANIMALS
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Description
Summary:Spiking mortality of turkeys (SMT) is an infectious disease of 5-to-25-day-old turkey poults characterized by acute enteritis and bursal and thymic atrophy. Brooding 1-day-old poults on litter taken from naturally occurring cases successfully reproduced SMT 5 days postexposure. Oral exposure to an organ homogenate made of tissue samples from naturally occurring cases successfully reproduced SMT 5 days postinoculation. Coronaviruses were present in intestinal and bursar contents taken from poults with naturally occurring SMT. They were also present 5 days after exposure in the experimentally reproduced disease. Severe intestinal villus atrophy, bursar follicular lymphoid depletion, and thymic cortical atrophy were present histologically in naturally occurring SMT and in SMT reproduced by either experimental method
ISSN:0005-2086
1938-4351
DOI:10.2307/1592151