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

Lice are a common winter problem in cattle, with cold weather and short winter days. Summer heat, sunlight, and short hair make it more difficult for lice to survive and multiply; their numbers ...