In nonlactating dairy cattle, you can use the organophosphates phosmet and chlorpyrifos as well as tetrachlorvinphos, coumaphos and diazinon. The macrocyclic lactones moxidectin, ivermectin, ...
Mr Dymond said the sale attracted 44 buyers from across England and Wales, which he believes resulted in a UK record average for a commercial herd of dairy cows. 55 cattle were sold for between £2,500 ...