K. Dreyer et al., Gastro-intestinal parasites of cattle in the communal grazing system of Botshabelo in the Free State, ONDERST J V, 66(2), 1999, pp. 145-149
Twelve Bonsmara tracer calves (aged 6-12 months) were used to monitor helmi
nth infections in the communal farming system of Botshabelo in the Free Sta
te. One calve was slaughtered each month from December 1995 to November 199
6 and processed for helminth recovery. All the calves harboured worms, but
the numbers were always low. The order of prevalence of the major parasites
was Trichostrongylus axel, Haemonchus placei, Cooperia punctata and Cooper
ia pectinata.