SMARTSHOT is a long lasting B12 injection which depending on dose rate, can reach and maintain adequate B12 and selenium levels for 6+ months. Using SMARTSHOT at weaning ensures your ewe replacements are VB12 for Sheep and Cattle, beat B12 deficiency. For the treatment and control of Vitamin B12 deficiency in sheep and cattle. VB12 is a water soluble subcutaneous injection, which contains Hydroxocobalamin, Veterinary Medicine Iron Dextran Vitamin B12 Injection for Cattle Sheep Pigs (Iron Vitamin for Cattle , Sheep, Swine , Horses, Dogs & Cats B 12 1000mcg Injectable 500cc [Anemia Treatment] On Sale EntirelyPets Rx Rooster Booster Sheep and Goat B12 Liquid Supplement, 16 oz. at Tractor Supply Co 4 Drench New Zealand Cobalex 2000 B12 +Se Cobalt Injection for Cattle and Sheep