Show 1 ZW livestock poultry feeds need proteins aest closely resemble type in animal tissue livestock and poultry feeds must contain proteins but there are great differences in proteins from animal and vegetable sources source 3 the best proteins for feeds are those which most closely resemble the proteins in animal anim al tissue the essential factors in protein feeds are amino acids and 22 of these acids have been isolated and identified from natural feeds it is believed that at least 10 of these 22 amino acids must be available in a ration for the proper nutrition of livestock or poultry some feed stuffs lack so many of the essential 10 amino acids that those feeds must be supplemented by others to supply missing acids deficient proteins have to be changed over in the digestive processes before they can be used so a pound of protein which contains most of the essential acids is worth more money than a pound of protein that is partially wasted in being changed to an available form animal proteins such as are present in and in fish meal are na V 5 M milk is still one of the very important foods needed in diet here it is leaving the bottling room of a dushore bushore Du shore pa dairy on its way to hardworking hard working war workers better for livestock and poultry feeding than are vegetable proteins derived from grains or seeds protein from properly processed soybean oil meal appears to stand at the head of the list of vegetable proteins but the nu triton specialists say it is best to use two or three different vegetable proteins so 50 that one supplements the other in furnishing amino acids peanut meal and corn gluten meal lack too many amino acids to be used as substitutes utes for animal proteins cattle and other ruminants can be properly fed with less complete proteins than can either swine or poultry swine on good pasture can be fed on vegetable proteins only but animal proteins should be in the ration for swine in dry lots |