Epidemiological studies on cattle in the Cauca River Valley and the Atlantic Coast of Colombia indicated that T. vivax infection was endemic in the whole of the Cauca Valley, and that Anaplasma and Babesia infections on the same farms may have obscured the diagnosis of clinical bovine...

Calves, breeding cows and milch cows on 4 farms in the Valle and Quindio Districts of Colombia were examined by blood smears and serologically for blood parasites monthly (calves) or quarterly between August 1988 and July 1989. At each sampling, the numbers of ticks (Boophilus microplus) present...

Serological tests for infections with Trypanosoma vivax were made on cattle sera from 8 regions of Colombia. It appears that this trypanosome is endemic in all tropical areas of Colombia where cattle are kept. Evidence was obtained in 1975 and 1976 that trypanosomes from dogs, horses and capybaras...

In the animal disease inventory of the Tropical Pastures Program's target area, intestinal nematodes were ranked as having a high effect and cysticerciasis a low effect on productivity. Studies on Cooperia and Haemonchus infections in 2 herds in Carimagua indicated that a standard anthelmintic...