Metabolic modifiers :

Metabolic modifiers : effects on the nutrient requirements of food-producing animals / Subcommittee on Effects of Metabolic Modifiers on the Nutrient Rquirements of Food-ProducingAnimals, Committee on Animal Nutrition, Board on Agriculture, National Research Council. - Washington, D. C. : National Academy, 1994. - xii, 81 p. ; 28 cm.

Incluye bibliografia.

0-309-04997-0

SF98 / .S65 M48

Con tecnología Koha