| 摘要 |
PURPOSE:To provide a feed additive for laying hen, having balanced nutrients and high calorific value, and suitable for feeding in winter season, by compounding an oil or fat, a vegetable protein and methionine at specific ratios. CONSTITUTION:The objective feed additive having a metabolic energy of >=4,000kcal/kg can be prepared by compounding (A) 8-16pts.(wt.) of an oil or fat (preferably vegetable oil or fat such as soybean oil, rapeseed oil, etc.) with (B) 12-20pts. of a vegetable protein (preferably soybean protein), (C) 2-5pts. of methionine and (D) a proper amount of a feed additive (e.g. yolk-colorant, vitamins, minerals, etc.). The oil or fat and the vegetable protein may be the raw materials such as soybean flour, whole-fat rapeseed, etc. 100pts. of feed for laying hen is compounded with about >=2pts. (preferably 3-5pts.) of the above additive. |
