This mineral & vitamin pack is designed for feeding in the 8-10 weeks pre-calving. This is a critical time in the cows calendar. Contains high levels of Magnesium which is vital in helping prevent issues such as Clinical and Sub-Clinical Milk Fever. Independently recommended essential minerals & vitamins are supplied in 100g – 150g dose rate. Protected minerals including Bio-Plex Copper and Zinc and Sel-plex are included also. Optimum amounts of Vitamin E and A are included to help boost immunity.