答案:【计分规则】: (l) Choose protein feed reasonably according to the characteristics of feeding animals (digestive physiology); (1 point)(2) Provide appropriate dietary protein levels; (1 point)(3) Balance dietary amino acids according to the needs of animals; (1 point)(4) Proper dietary energy to protein ratio and the balance of other nutrients; (1 point)(5) Properly process the feed or select a reasonably processed protein feed, such as suitable processed soybean meal; (2points)(6) Pay attention to the reasonable storage of protein feed (appropriate temperature and time); (1 point)(7) Reasonable use of feed additives such as proteases that can improve the nutritional value of feed protein; (2 points)(8) Pay attention to the rational use of non-protein nitrogen in ruminants.(1 point)