| 摘要 |
PURPOSE:To obtain the titled pet food added by a hydrolysate obtained by subjecting a blood cell in blood of killed livestock to enzymic treatment and reduced in an amount of dung excreted by pet by effectively utilizing the killed blood. CONSTITUTION:Blood of killed livestock, especially blood cell is reacted with a proteinase and dried to provide an enzyme hydrolysate, which is then added to a pet food, preferably in an amount of 0.1-10%. |
