Show rotation of pastures to control diseases the case of grazing animals pre bents certain special difficulties they habitually soil their table with manure insuring the prompt return t to the body of the bacteria worm eggs and larvae and other infectious agents passed in the manure with sheep experiments have shown that rotation of pastures or of different kinds of stock on the same pasture Is an aid in the control of stomach worms but it Is far from being the effective control measure hoped tor for control of parasite diseases would go 90 a long way toward solving the problem of losses among lambs so far as sanitation Is concerned lambs should be given special preference pro ference in the matter of pasture they should be placed on fairly dry hillsides hill sides not on bottom lands away from and all older sheep except the mothers wherever possible and the mothers should be treated tor for worms |