90 days monensin bolus to dairy cows in poor body condition, are ketosis prone, twin pregnancies to maintain body condition . Keeps Vets away from poor cows and allows them milk on, and go back in calf. Up to 7 % of cows in every herd will benefit from these boluses and save up to 300 euro per cow. A special gun required and each bolus numbered to correlate with individual cow.
