Optimal dietary standardized ileal digestible lysine level for pigs during the grower, early and late finisher periods

Table 6 Effect of dietary SID Lys level on the performance of pigs from 90 to 120 kg (Exp.3)

Item	SID Lys, %					SEM	P value
Item	0.53	0.60	0.66	0.73	0.79	SEM	ANOVA	Linear	Quadratic
Initial bodyweight, kg	91.49	92.61	92.07	92.80	92.12	0.48	0.94	0.69	0.59
Final bodyweight, kg	118.76	120.55	120.46	120.23	119.87	0.45	0.76	0.57	0.27
Average daily gain, kg	0.91	0.93	0.95	0.91	0.93	0.01	0.92	0.87	0.55
Average daily feed intake, kg	2.79	2.83	2.83	2.81	2.84	0.02	0.90	0.58	0.81
Feed to gain ratio	3.09	3.07	2.99	3.07	3.04	0.04	0.95	0.73	0.72
Daily SID Lys intake, g	14.79	17.00	18.65	20.48	22.41	0.55	0	0	0.90
Lys efficiency for bodyweight	16.37^c	18.42^bc	19.73^b	22.41^a	24.25^a	0.62	0	0	0.69
Diarrhea rate, %	0	0	0	0	0

Abbreviations: SID standardized ileal digestible, Lys lysine, n = 5, SEM standard error of mean, Lys efficiency for bodyweight = Daily SID Lys intake (g)/ Average daily gain (kg)

ISSN: 1746-6148