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OJVRTM
Online Journal of Veterinary
Research ©
Volume 15 (3): 211-214, 2011. Redacted 2017.
Prevalence of caseous lymphadenitis in sheep in Argentina (Patagonia).
Estevao Belchior,
Silvia Graciela PhDa; Abalos,
María Andreaa ;
Mas, Mirtab ; Clapera,
Eduardo DVMc; Gallardo, Adriana Aliciaa; Alvarez, Laura Alejandraa.
aCentro Regional de Investigación
y Desarrollo Científico-Tecnológico
(CRIDECIT). Facultad de Ciencias Naturales.
Universidad Nacional de la Patagonia San Juan Bosco. Ciudad Universitaria Km. 4. Comodoro Rivadavia. C.P. (9000). Chubut. Argentina. bFacultad de Ciencias
Económicas. Universidad Nacional de
la Patagonia San Juan Bosco. Ciudad Universitaria Km. 4. Comodoro
Rivadavia. C.P. (9000). Chubut. Argentina. cServicio Nacional de Sanidad
y Calidad Agroalimentaria.
ABSTRACT
Estevao Belchior SG, Abalos MA, Mas M, Clapera E, Gallardo AA, Alvarez LA., Prevalence of caseous lymphadenitis in sheep in Argentina (Patagonia), Onl J Vet Res, 15 (3):
211-214, 2011. A total of
1,023,793 Merino lambs and 196,737 adult (122,774 male and 73,963 female),
carcasses were examined for caseous lymphadenitis
(CLA), visually and by palpation
of lymph nodes, lungs, liver and kidneys. CLA was
detected in 946 lambs (0.09%) and 19,798 adults (10.06%), with the thoracic cavity being
involved in most cases. The
lymph nodes more frequently affected were the pre-scapular, pre-femoral and
supra-mammary and mediastinal nodes. Visceral CLA was observed in 89% of cases
with abscesses in the lung and liver. There was no significant increase in incidence during the study
period.
KEY-WORDS: Corynebacterium pseudotuberculosis, caseous lymphadenitis, prevalence, sheep, Patagonia
Argentina.
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