Show find silage increases vitamin A in mill experiments of the department ol oi agriculture and of many state slate sla eions throughout the country show that the vitamin A value of milk mil dea depends on the amount of carotene in the pasture grass hay and other roughage feeds the cow eats A na tion wide alde survey shows that winter is usually mu much ch lower in 14 vitamin A value than Is summers summer milk because of the lower loner carotene content of the winter feed the department men find that with better hay bay preserving methods farmers can produce milk in winter which will be as high in vIt vitamin arnin A value as 23 summer milk and by improving the quality of themay farmers also get more mm milk lor for example the department dairymen compared alfalfa hay preserved as silage and as field cured hay bay cows on the silage produced over 7 per cent more milk than those on the field cured hay bay at the beginning of the trials the silage contained e 9 times es as muc much carotene as the hay bay As the trials went on the hay bay lost more carolene carotene at the end the silage contained nearly 14 ume times 88 1118 much preserving alfalfa as well as other legumes a as S silage avol avoids d the loss of feeding vale that occurs occur when hay Is exposed to various weather conditions during curing in the field and in storage and also saves mori more of the cai carotene otene |