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 Jrg Vitamin B12 3,000 mcg 100 ml Sheep Supportive Care Comvet Animal Health Horizon Animal Care High Level Vitamin B Complex Injectable (100 mL) by Durvet delivers an essential B vitamin boost for cattle, sheep, swine, and goats! Instagram