[Methods for increasing the efficiency of animal husbandry].
D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle; D011200:Poultry / Q000254:growth & development; D013552:Swine / Q000254:growth & development; D014131:Trace Elements; D014802:Vitamin A Deficiency / Q000517:prevention & control
D014131:Trace Elements
Puti povysheniia éffektivnosti zhivotnovodstva.