Biblio
“Energy level and N source for fall-calving cows”, Proc. West. See. Amer. Soc. Anita. Sci, vol. 21, p. 75, 1970.
, “1971 Progress Report -- Research in Beef Cattle Nutrition and Management: Energy Level and Nitrogen Source for Fall Calving Cows”, Oregon Agricultural Experiment Station, 1971.
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