Opti Mag Bolus (10 pack) Combs & Brushes 100% waterproof

100% waterproof

60 mls – at drying off and returns to service

1:1 ratio lightweight reel

fast results

preventing residue buildup at the bottom of the trough

Opti Mag Bolus (10 pack) Combs & Brushes 100% waterproofContains magnesium for the prevention and treatment of cases of grass tetanySuitable for use with cattle and sheepOral administration through specifically designed bulleting gunThese magnesium bullets are targeted at preventing hypomagnesaemia (grass tetany) in dairy cattle. They should be administered before the major risk periods of grass tetany. These risk periods include after calving when cows are grazing lush early spring grass. Use a suitable