questions:   query regarding a cow with  partial lameness due to traumatic injoury  affecting the  the hock & knee , [ no fracture } 
 answers: suggested to apply malathion 50 ec @ 2ml/litre and rub it with cotton inside the holes created by the trunk borer and then block the holes with mud and also spray the malathion solution on the plant 2 times at an interval of 5 days.