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The aim of this study was to determine the population risk factors affecting the bovine herds in the X Region of Chile in order to obtain a brucellosis-free status. A matched case-control study was designed according to the size of the herd, and univariate and multivariate statistical tests were...

Rosenfeld, C.; Blas, I. de; Ernst, S.; Ramírez, C.; Rivera, A.; Silva, E.; Rojas, H.
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Archivos de Medicina Veterinaria, 2007, 39, 1, pp 27-34

A questionnaire about hydatidosis was sent to 37 farms in Tierra del Fuego Province, Chile, which has a population of 6,174 persons, 1,142,000 sheep and 30,946 cattle. During 1976, 35,947 sheep were slaughtered and 64.8% were infected with hydatid. Infection was more common in older sheep than in...

Vargas, E.; Ernst, S.; Sievers, G.
Boletin Chileno de Parasitologia, 1978, 33, 1/2, pp 18-24