Opti Mag Bolus T-Shirt and this is one of

and this is one of them

(Optional Galvanised wrap-around protection)

The foam layer offers excellent adhesion to vertical surfaces

A T-bar applicator is also available

The crotch and side seams feature double-welded seams that ensure 100% waterproof protection

Opti Mag Bolus T-Shirt and this is one ofThese 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 dosing gun to put 2 boluses into the back of the mouth at the same time. Take care during administration to avoid injury to the mouth and pharynx. Always ensure the animal