早期断奶和育肥期饲粮NDF水平对湖羊生长性能和消化代谢的影响

黄文琴,吕小康,庄一民,崔凯,王世琴,刁其玉,张乃锋

The Effects of Early Weaning and NDF Levels of Finishing Diets on Growth Performance, Nutrient Digestion and Metabolism of Hu Lambs

HUANG WenQin,LÜ XiaoKang,ZHUANG YiMin,CUI Kai,WANG ShiQing,DIAO QiYu,ZHANG NaiFeng

表2 早期断奶和育肥期饲粮NDF水平对湖羊体重和日增重的影响

Table 2 Effects of early weaning and dietary NDF levels on body weight and ADG of Hu lambs

项目 Items	日龄 Days of age	组别 Groups				SEM	P
项目 Items	日龄 Days of age	EW-LL	EW-LH	EW-HH	ER-HH	SEM	P
体重 BW (kg)	25	8.13	8.12	8.12	8.71	0.20	0.678
	45	12.91	12.53	12.67	12.29	0.20	0.196
	65	18.49	17.71	18.22	19.25	0.71	0.531
	90	22.37	22.47	23.03	24.40	0.42	0.695
	120	28.93	28.68	29.46	27.31	0.79	0.339
	150	36.28	34.30	35.76	33.00	1.32	0.352
	180	41.85	39.52	41.24	37.06	1.60	0.199
平均日增重 ADG (g·d^-1)	25-45	234.62	206.14	211.63	202.41	10.10	0.154
	46-65	256.01b	265.28b	281.38b	311.42a	13.05	0.043
	25-65	252.68	233.02	227.41	258.16	7.49	0.086
	66-120	200.42	194.56	219.70	173.81	12.44	0.129
	121-180	227.29	236.37	200.25	166.92	19.47	0.093