The requirement of sheep for cobalt or for vitamin B12.
D000284:Administration, Oral; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001835:Body Weight; D003035:Cobalt / Q000032:analysis / Q000378:metabolism*; D001068:Feeding and Eating Disorders / Q000209:etiology; D006801:Humans; D007273:Injections, Intramuscular; D007408:Intestinal Absorption; D008099:Liver / Q000032:analysis / Q000378:metabolism; D009751:Nutritional Requirements; D012417:Rumen / Q000378:metabolism; D012756:Sheep / Q000378:metabolism*; D014805:Vitamin B 12 / Q000097:blood / Q000378:metabolism*
D003035:Cobalt; D014805:Vitamin B 12