U.S. dairy cattle tested positive for a strain of bird flu that previously had not been seen in cows, the U.S. Department of ...

In nonlactating dairy cattle, you can use the organophosphates phosmet and chlorpyrifos as well as tetrachlorvinphos, coumaphos and diazinon. The macrocyclic lactones moxidectin, ivermectin, ...

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...