INCIDENCE OF TRITRICHOMONAS FOETUS IN YOUNG REPLACEMENT BULLS FOLLOWING INTRODUCTION INTO AN INFECTED HERD
- 10 March 1977
- journal article
- Published by Wiley in Australian Veterinary Journal
- Vol. 53 (3) , 132-134
- https://doi.org/10.1111/j.1751-0813.1977.tb00137.x
Abstract
Three hundred 8-year-old Shorthorn and Santa Gertrudis bulls, with a 47% incidence of Tritrichomonas foetus infection in the 30 surveyed, were removed from a herd of approximately 6000 cows and replaced by 325 two-year-old Brahman bulls. A sample of 50 of the replacement bulls was examined at introduction and found to be uninfected. After 2 years, the incidence of infection in a sample of 80 of the replacement bulls was 4%. The results suggests that a major reduction in incidence of infection in extensively managed herds might be achieved by the exclusive use of young bulls for mating.Keywords
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