A study on the relationship of vitamin A to the development of hyperkeratosis (x disease) in calves.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D007642:Keratosis; D014801:Vitamin A; D014802:Vitamin A Deficiency
D014801:Vitamin A
CATTLE/diseases; KERATOSIS; VITAMIN A DEFICIENCY/experimental