Southern States Traditions 37% Cattle Supplement Block is a free-choice block supplement for beef cattle. The block provides 37% crude protein and a full spectrum of supplemental minerals and vitamins. This block's crude protein boost improves your beef cattle's rate of weight gain and muscle quality. When you supply your herd with one of Southern States Traditions 37% Cattle Supplement Block per 5-10 head of cattle along with their standard feeding regimen, you'll have healthier, happier beef cattle.