Show Best Plan to Vaccinate Pigs When Quite Young Dr Hobert Graham of ot the veterinary nary aary department of the University of illinois recently reported th thy the results ot of time the experimental work conducted by hIm halm which results agree aree closely with the recommendations of the United States Department nt of ot Agriculture lure ture and show that It Is good practice tice ice to vaccinate pigs at least a month before they hey are arc weaned so they may hn have e time to recover recover from the effects I of vaccinating before weaning I I Doctor Graham Indicates s further In 1 hIs report that It Is best lIest to give Ive plen plenty ty of virus Irus In order to secure lasting I Immunity The results of these ex- ex experIments ex experiments also Indicate that It I ls is not nOI j I always possible to secure percent per er i cent Immunity under all conditions I that Is you OU may find a n few hogs that do not become p permanently by vaccination but the hie per cent ot of permanent Immunity does docs not seem to bear on any relation to the age of ot thus the when vaccinated |