SELEKT CALPLUS provides 108g of calcium per does in the form of calcium propionate which contributes to serum calcium concentration over a 24-hour period. Calcium propionate is also a valuable substrate for glucogenesis. SELEKT CALPLUS provides 14.6 grams of magnesium. This covers the daily requirment of the down-calving cow, with some surplus for correction of hypomagnesaemia. Contains yeast to improve the rumen flora. SELEKT CALPLUS contains no potassium or phosphorus, both of which have been shown to increase the risk of milk fever.