Effect of dietary vitamin A on the innate resistance of cattle to infestation by larvae of Hypoderma lineatum (Diptera: Oestridae).
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D004032:Diet; D005260:Female; D007000:Hypodermyiasis / Q000662:veterinary*; D008297:Male; D014801:Vitamin A / Q000097:blood
D014801:Vitamin A