BIOVITAMIN B1B6B12 Bio Pharmachemie Veterinary Vitamin B12 Injection Supplement Vitamin for Cattle Horses Sheep Use Vitamin B 12 Injection, 3,000 mcg mL at Tractor Supply Co 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 Vitamin for Cattle, Sheep, Swine, Horses, Dogs & Cats B12 3000mcg Injectable 100cc [Anemia Treatment] CobalJect B12 1000 Mineral Deficiency Supplement PGG Wrightson