Pharvet High Fertility Bolus (20's) - A unique long acting bolus that provides a balanced and controlled supply of cobalt, selenium, magnesium, iodine and vitamin B12.
You prepare for fertility during the drying off and post-partum phases. This bolus supplies the essential trace elements required during these critical periods. Use at drying off or during the dry periods from drying off through calving and re-breeding. It can be also used alongside the Copper Plus bolus where required.
Dosage: 1 Bolus for young stock and 2 for adult cattle.
