Magnesium bolus for cattle with an effect of 20 days. 
Contains magnesium.

Supplementary feed (mineral dietary feed) for cattle to reduce the risk of tetany (hypomagnesemia or head disease).

When
Applicable in the risk period of rapid grass growth and at transition from stable to pasture.

Contents 
4 x180 g

Feeding advice
1 bolus per cattle > 300 kg, approximately 2 days before the start of the grazing season.
Administer orally with a suitable applicator (INSE020).  

Duration of action 
20 days after administration.
If required, application can be repeated after 3 weeks.