Grinding Cow Bonens to Add to the poultry food
To feed chickens cow bones you need to remove the marrow so it doesn't got bad. Boil the bones to get the meat off. Cut open the bones to take the marrow out. Clean the bones out and then dry them in the oven.
Bone marrow is a protein source. For the bones to be a long lasting product you need to get all the protein off.