饲粮能量水平对草原红牛代谢及血清指标的影响

刘基伟,张相伦,李旭,王蕾,秦立红,班志斌,吴健,张国梁,万发春

Effects of Dietary Energy Levels on Metabolism and Serum Parameters of Steppe Red Cattle

LIU JiWei,ZHANG XiangLun,LI Xu,WANG Lei,QIN LiHong,BAN ZhiBin,WU Jian,ZHANG GuoLiang,WAN FaChun

表3 饲粮能量水平对草原红牛能量代谢的影响

Table 3 Effects of dietary energy levels on energy metabolism of Steppe Red cattle

项目 Items	低能组 LE	中能组 ME	高能组 HE	SEM	P值 P value
项目 Items	低能组 LE	中能组 ME	高能组 HE	SEM	能量Energy	线性Linear
消化能采食量GEI (MJ·d^-1)	124.63	128.12	132.35	1.60	0.139	0.053
代谢能采食量MEI (MJ·d^-1)	117.73	121.78	122.14	1.43	0.414	0.240
总能消化率GE digestibility (%)	73.07	74.94	77.25	0.91	0.174	0.069
总能代谢率GE metabolic rate (%)	69.02	71.23	71.29	0.82	0.481	0.299
甲烷能排放量CH₄-EE/ (MJ·d^-1)	6.86b	6.32b	10.19a	0.67	0.018	0.018
甲烷能占总能比值 CH₄/GE(%)	4.03b	3.70b	5.95a	0.39	0.018	0.020
粪能排泄量FEE (MJ·d^-1)	45.92	42.86	38.98	1.54	0.189	0.076
尿能排泄量UEE (kJ·d^-1)	33.59	26.42	28.16	2.38	0.483	0.386