Dyer, I A Manganese requirements and functions in cattle. [electronic resource] - Journal of the American Veterinary Medical Association Dec 1965 - 1393-6 p. digital Publication Type: Journal Article ISSN: 0003-1488 Subjects--Topical Terms: AnimalsCattleCongenital Abnormalities--etiologyDietFemaleManganesePregnancyPregnancy, Animal