Make sure your cows get all the right nutrients with the Nutrena NutreBeef Cattle Breeder Cottonseed Cube with 37% AN. It's designed to be fed to mature cattle on pasture. Made with 37% protein, this high protein cattle feed cube is sure to benefit your cattle's diet with the supplemental protein and energy they need. This cattle cube is designed to easily be fed on the ground and should be ed to support body condition for all stages of breeding cows and bulls. The bulk 50 lb. package provides ample food to go around. Satisfaction guaranteed. Made in USA.