RESUMO
When 1,711 bovine faecal samples from 113 farms in eight dairy areas of Colombia were examined for the presence of helminth eggs Fasciola hepatica eggs were found in the faeces from 60% of the farms and samples from animals kept above 2,000 m. Strongyle eggs were found in faeces from 82% of the farms and in 18% of the samples.
Assuntos
Doenças dos Bovinos/epidemiologia , Fasciolíase/veterinária , Enteropatias Parasitárias/veterinária , Infecções por Nematoides/veterinária , Altitude , Animais , Bovinos , Doenças dos Bovinos/parasitologia , Clima , Colômbia , Indústria de Laticínios , Fasciolíase/epidemiologia , Fezes/parasitologia , Feminino , Enteropatias Parasitárias/epidemiologia , Infecções por Nematoides/epidemiologia , Contagem de Ovos de ParasitasRESUMO
Of 4,144 serum samples collected from cows on 113 farms from eight areas of Colombia 3.3% had positive and 8.8% inconclusive titres to Brucella abortus, 21.7, 6.3, 1.6, 0.6 and 0.7% of cows had positive titres to Leptospira serovars hardjo, pomona, canicola, icterohaemorrhagiae and grippotyphosa respectively. Questionnaires completed on 110 farms revealed that 6, 2.5 and 4.6% of cows had had metritis, aborted or retained their placentas respectively in the previous 12 months. Trichomonas foetus and Campylobacter fetus were isolated from 13.7% and 15% of the bulls sampled on 103 farms. Six and two bulls had inconclusive and positive titres to Brucella abortus. Eight and 23 bulls had positive titres to pomona and hardjo. The results were discussed and remedies for control suggested.