| prevalence of genital campylobacteriosis and trichomonosis in crossbred breeding bulls kept on zero-grazed smallholder dairy farms in the tanga region of tanzania. | a survey to demonstrate the presence or absence of genital campylobacteriosis and trichomonosis in cross-bred breeding bulls kept under smallholding dairy farms in the tanga region of tanzania was carried out during the period of january-june 1996. sheath washings, swabs and preputial scrapings were collected from 58 randomly selected bulls. campylobacter fetus subsp. venerealis was demonstrated in 3/58 (5.1%) and tritrichomonas foetus in 0/58 (0%) of all bulls tested. bull-level variables of le ... | 2005 | 16642720 |