Herd Health

Question 1

Vibriosis - bacterial infection signs

Answer 1

infertility
prolonged breeding/calving season
more open cows at the end of the breeding season
endometritis

Question 2

Trichomoniasis - protozoa infection signs

Answer 2

infertility
endometritis, vaginitis
pyometra after breeding
abortions

Question 3

Prevention of Venereal Disease (sexually transmitted)

Answer 3

use artificial insemination
screen new bulls for disease
test and cull older, open cows
vaccinate yearly
consider maintaining 2 groups - naive, clean group and older infected animals

Question 4

Preventing Dystocia

Answer 4

breeding heifers at appropriate size (not too big a bull to small cow)

selecting genetics for calving ease - AI semen/ bull selection

restricted breeding and calving season