questions:  query regarding a cow showing urticaria like symptom on the surface of the udder  
 answers: - wash the udder with potash solution & dry up the udder - spray topicure on the udder 3 times daily, inject catlogenta 30 ml & anistamin 10 ml as directed for 3 days -the floor of the shed should  be throughly cleaned with ' q for all '/ b-904