Magnesium bolus for young cattle and cattle with an effect of 28 days.  The sure and easiest way for a daily supplement. Contains: Magnesium. Complementary feed (mineral dietetic feed) for cattle to reduce the risk of head disease (tetany or hypomagnesemia). When When an extra dose of magnesium is desirable (in the risk period of rapid grass growth and when transitioning from stable to pasture). Young cattle: at grazing. Dairy cattle: 2 weeks before calving. Benefit Optimal supplementation of magnesium Magnesium helps with calcium mobilization. Info A high potassium and crude protein content in grass silage results in a decrease in magnesium utilization. Magnesium helps with calcium mobilization. Contains 10 boluses (for 5 dairy cattle or young cattle). Feeding advice 2 boluses orally by means of a pill shooter () / inserter ().   Duration of action 28 days. Note: Cost-effective and labor-saving.  .