Orskov, E.R Protein nutrition in ruminants - 2nd ed - London Academic Press 1992 - viii,175 p. ISBN: 0125284810 Subjects--Topical Terms: AGRICULTUREAnimal HusbandryANIMAL SCIENCEANIMMAL NUTRITIONPROTEIN NUTRITIONRUMINANT NUTRITIONRUMINANTS Dewey Class. No.: 636.20852 / ORS