A feed grinder is a piece of machinery equipment used in livestock operations. There are several different types of feed grinders, including: hammer mill, fine pulverizer, hammers and beaters, and particle size reduction. There are many different types and sizes of feed grinders for small-scale farming to larger-commercial farming operations. Feed grinders can be purchased new or used. Feed grinders in good condition are especially good to buy used. Having the capacity to make feed on-farm is a good business investment, but it's important to consider the type and size of operation in order to choose a feed grinder that will meet the needs of the farming business.