Vitamin A deficiency of cattle in Colombia, South America.
D000820:Animal Diseases; D000818:Animals; D002417:Cattle; D003105:Colombia; D013020:South America; D014801:Vitamin A; D014802:Vitamin A Deficiency; D014815:Vitamins
D014815:Vitamins; D014801:Vitamin A
ANIMALS/diseases; VITAMINS/A--in animals