I've know the antibiotics, such as pennicilan, is supposed to kill the semen that the treated bull produces, but for how long? We treated a bull which is about 2100 lbs with 75 cc's of pennicilan a day for three days, as recommended by the local vet. Is the semen killed for as long as the antibiotics are active (i.e. the withdrawal time)? or for how long should it be until he is producing quality semen again?
Help would be greatly appreciated
Help would be greatly appreciated
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