Durvet 002568 Vitamin Ad Injection, Yellow, 250ml For use as a supplemental nutritive source of vitamins a and D in cattle For use on cattle Supplemental a & D enhances rate of gain Vitamin D is essential for normal bone formation in young and adult animals Calves: 1/2 to 1 ml yearlings: 1 to 2 ml adult cattle: 2 to 4ml