The result shows that; the group with FH has a higher ratio of egg producing, quantity of egg-producing, feed remuneration and economic benefit than the contrasting group. It is a comparatively ideal protein source and biological additive. 试验结果表明:FH组的产蛋率、产蛋量、饲料报酬及经济效益均高于对照组,是一种较为理想的蛋白源和生物添加剂。