Animal feeds containing a mixture of Virginiamycin, zinc bacitracin or flavophospholipol and proteolytic enzymes

摘要

Animal feeds based on carbohydrates, protein, fats and, optionally, conventional additives, containing from 5 to 150 ppm of one of the antibiotics Virginiamycin, zinc Bacitracin or flavophospholipol and a content of proteolytic enzymes in such an amount that the enzymatic activity is from 0.05 to 2.5 mTU/gm of said animal feed, wherein the animal feed contains up to 20% less, based on corresponding conventional animal feeds, of essential food components and consequently possibly of the convertible energy of the animal feed, and the method of rearing animals with such feeds.