Low numbers of intestinal Shiga toxin-producing E. coli correlate with a poor prognosis in sheep infected with bovine leukemia virus.
J Vet Sci
; 9(4): 375-9, 2008 Dec.
Article
en En
| MEDLINE
| ID: mdl-19043312
ABSTRACT
Healthy ruminants carry intestinal Shiga toxin (Stx)-producing Escherichia coli (STEC). Stx has antiviral activities in vitro and STEC numbers correlate with reduced early viremia in sheep experimentally infected with bovine leukemia virus (BLV). This study assessed the impact of intestinal STEC on BLV-induced disease for one year post-BLV-challenge. High STEC scores (CFU/g feces x frequency of STEC-positive samples) correlated with good health, whereas poor weight gain, distress, and tumor development occurred only among animals with low STEC scores. STEC carriage was associated with increased percentages of B cells in peripheral blood.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Enfermedades de las Ovejas
/
Infecciones por Deltaretrovirus
/
Virus de la Leucemia Bovina
/
Escherichia coli Shiga-Toxigénica
/
Intestinos
Tipo de estudio:
Prognostic_studies
Límite:
Animals
Idioma:
En
Revista:
J Vet Sci
Asunto de la revista:
MEDICINA VETERINARIA
Año:
2008
Tipo del documento:
Article
País de afiliación:
Estados Unidos