Signs of vitamin A deficiency include poor appetite, weight loss, unthrifty appearance with a poor hair coat, night blindness and a thick nasal discharge. Vitamin A deficiency also makes the animal more susceptible to respiratory, diarrhea and parasitic problems. It may also lead to reproductive inefficiency and urinary problems.
Control: Control includes 2,000 kg International Units per day for a 50 kg goat. Colostrum is also a good source of vitamin A.
As a fat soluble vitamin accumulation in the body may occur, prior to supplementation a deficiency should be documented to avoid toxicity. Additional information about Vitamin A can be found at (Vitamins).