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Vitamin A injections advised for cows before calving in Manitoba
Manitoba veterinarians warn the 1976 pasture season may leave cows and heifers vitamin A deficient. Dr. John Agar says injections of vitamins A D and E provide insurance against weak calves and post birth damage. Carotene in forage declined after early drought, making injections the most reliable option this fall.
MENTIONED IN THIS ARTICLE
John Agar
Manitoba Department of Agriculture Field Services
Allan Cox