Magnesium bolus for cattle with a 20-day effect.  

Contains magnesium.
Complementary feed (mineraal diet feed) for cattle to reduce the risk of tetany (hypomagnesaemia).

When

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

Feed instructions

1 bolus per cow > 300 kg, approx. 2 days before the start of the grazing season. 
Administer orally with a desigated applicator.  

Effect

20 days after administration.
If desired, the application can be repeated after 3 weeks.