摘要
华北落叶松针叶含有多种营养物质及生长素、植物杀菌素等，落叶可作为饲料资源，变废为宝，具有较高的社会和经济效益。通过在同一营养水平下，不同松针叶粉含量日粮饲喂产蛋鸡效果的试验表明：在鸡日粮中添加３％的华北落叶松针叶粉，可以提高产蛋量和饲料转化率，并且有促进蛋黄着色作用。
This paper presented information on the larch leaf in Huabei area. The larch leaf contains many kinds of nutritive element, growth hormone and plant bactercide etc. It can be used as the resource of feed processing. It is beneficial on socity and ecnomy to be developed. By the exper imentation of effection of the feed on laying hen in which the same nutritive level and the variations of the larch leaf powder composition. The condution is: It can raise hen’s productivity and the feed utilization ratio, and can improve the yolk colour, that adding 3% larch leaf powder in feed.
出处
《河南科学》
1999年第A06期118-120,共3页
Henan Science
