Dairy Cow Supplementation: Essential Salts and Supplements in Dairy Farming Dry and lactating cows should be given supplemental Vitamin A, D, and E, at 90,000 IU/day, 15,000 to 25,000 IU/day, and 500 to 5000 IU/day, respective… DairyPulse 1 July 2024 0 Comments