氨基酸缺乏对母犊牛生长和日粮养分消化代谢的影响

孔凡林,李媛,唐梦琪,马满鹏,付彤,刁其玉,成思源,屠焰

Effects of Amino Acid Deficiency on Growth Development, Dietary Nutrients Digestion and Metabolism in Heifers

FanLin KONG,Yuan LI,MengQi TANG,ManPeng MA,Tong FU,QiYu DIAO,SiYuan CHENG,Yan TU

表4 赖氨酸、蛋氨酸、苏氨酸缺乏对犊牛体尺的影响

Table 4 Effects of Lys, Met and Thr deficiency on body measurements of calves

项目 Item		组别 Group				SEM	P值 P-value
项目 Item		PC	PC-Lys	PC-Met	PC-Thr	SEM	P值 P-value
体高 Withers height (cm)	90日龄 90 d	95.4	93.3	95.4	94.8	0.45	0.30
	180日龄 180 d	111.9	111.6	111.8	112.2	0.41	0.96
	增长率Growth rate	17.34	19.62	17.14	18.37	0.381	0.08
体斜长 Body length (cm)	90日龄 90 d	102.9	103.5	102.71	101.83	0.58	0.82
	180日龄 180 d	119.3	120.9	120.3	121.2	0.48	0.54
	增长率Growth rate	16.01	18.45	17.98	19.73	0.738	0.33
十字部高 Hip height (cm)	90日龄 90 d	99.1	97.4	99.3	98.9	0.49	0.53
	180日龄 180 d	117.0	116.6	116.9	117.2	0.39	0.96
	增长率Growth rate	18.16	19.67	17.68	18.57	0.361	0.25
胸围 Heart girth (cm)	90日龄 90 d	110.3	110.1	112.1	110.7	0.53	0.57
	180日龄 180 d	135.9	133.4	136.6	135.8	0.60	0.25
	增长率Growth rate	23.29	21.24	21.88	22.72	0.448	0.39
腹围 Abdominal girth (cm)	90日龄 90 d	122.3	123.3	123.0	122.8	0.73	0.97
	180日龄 180 d	157.6	157.3	158.9	161.4	0.99	0.46
	增长率Growth rate	29.09	27.66	29.34	31.73	0.861	0.41
腰角宽 Hip width (cm)	90日龄 90 d	21.9	22.6	22.3	22.0	0.17	0.53
	180日龄 180 d	34.4	35.3	34.8	35.0	0.19	0.42
	增长率Growth rate	56.60	57.17	55.97	59.76	1.189	0.67