Opti Mag Bolus (10 pack) Combs & Brushes giving you key information at

giving you key information at a glance

The M550 is a powerful mains fence energizer

100% waterproof

1:1 ratio lightweight reel

fast results

Opti Mag Bolus (10 pack) Combs & Brushes giving you key information atContains 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