Ostrea
Natural rumen buffer for DAIRY COWS
Ostrea Oyster & Sea Shell flour are sources of chalk derived from natural shell banks in the North Sea. The shells are dried, heat treated and ground to a powder. Sea-shell chalk is a rich source of calcium carbonate (96.1 %) with a minimal water content. The dry matter percentage is 99.5 %. Ostrea's has been used widely in the UK and Europe