Show vitamins needed by farm animals S sun un cured hay of half alfalfa or clover for young stock by prof L A maynard new mew york att college of agriculture service farm animals need certain cert alti vitamins as do people and in dairy feeds vitamins A and D need special cial attention animals on good pasture will alvi always ays receive plenty of both vitamins and the sunlight supplies vitamin D regardless of the character of the feed in barn feeding the needs of calves and young stock ran can be met by feeding sun cured hay which ta at least one half alfalfa or clover this feed should always be a part of the ration tor for several other reasons if very poor hay must be fed the addition of a concentrate of the vitamins to the ration way may be desirable with milking animals the main effect of feeds low in vitamins Is to decrease the alie vitamins in the milk only in extreme situations la Is the feed so low as to affect milk production or the cow herself hersi lf without vitamin D the calf will suffer from rickets as do children the most common symptoms are stiffness swollen hocks and a tendency of the 04 animal to stand with the back humped when calves do riot not receive enough vitamin A their ae lega gs become swollen they lose their appetite growth becomes poor they become partially blind and a nasal discharge Is likely to take place |