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 In the meat and dairy industry, animals are often supplemented with Vitamin B12 due to modern farming practices that limit their natural intake. So people who eat animals are simply taking a Cephos 12 100 ml Phosphorus and Vitamin B12 Injection Treatment for emaciated sheep by IPPA Troy Vitamin B12 Injection 500mL (for sheep & cattle)