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Aberdeen Aberdeen Substation Agricultural Engineering Agricultural Experiment Station animals Assistant average Bacteriology barley barn beet pulp birds blood breeding efficiency butterfat carotene cent chicks cooperation corn silage cost cows cream crop curly top Daily Gain Daily Ration Dairy Husbandman Dairy Husbandry Department of Agriculture developed disease effect electrical Entomologist farmers fed alfalfa hay fertilizer fruit grass grown herd Holstein Idaho Agricultural Experiment increased infection irrigation larvae lead arsenate lot was fed Markton mash mastitis mosaic oats Oestrus ovis outyielded paralysis pasture peas phosphorus plots potato Poultry poults pounds of butterfat pounds of milk pounds per acre produced protein pullets red clover resistance samples Sandpoint Seed Laboratory seedlings showed silage smut soil southern Idaho steers strains Substation Farm supplement sweet clover temperature tion tons per acre Twin Falls United States Department University of Idaho varieties tested vitamin weevil wireworm yield