Blackmon, D M Zinc deficiency in ruminants. Occurrence, effects, diagnosis and treatments. [electronic resource] - Veterinary medicine, small animal clinician : VM, SAC Mar 1967 - 265-70 p. digital Publication Type: Journal Article ISSN: 0042-4889 Subjects--Topical Terms: Animal FeedAnimalsCattleDeficiency Diseases--diagnosisZinc--metabolism