Excess dietary Lys reduces feed intake, stimulates jejunal CCK secretion and alters essential and non-essential blood AA profile in pigs

Table 3 Performance of post weaning pigs fed dietary Lys excesses

Performance	Dietary treatments¹				SEM	P-value²
Performance	T0	T1	T2	T3	SEM	P-value²
ADFI³, g/d
Week 1	222.02	232.74	212.14	184.98	0.458	0.370
Week 2	472.86	446.43	425.00	424.40	0.458	0.353
Week 3	760.24	692.02	657.29	599.64	0.458	0.003
Overall	485.04	457.06	431.48	403.01	0.374	0.055
ADG⁴, g/d
Week 1	156.90	158.69	148.43	109.95	0.443	0.276
Week 2	335.36	303.69	296.29	287.86	0.443	0.374
Week 3	532.14	487.38	498.43	488.09	0.443	0.282
Overall	341.47	316.59	314.38	295.30	0.304	0.155
G:F ratio⁵
Week 1	0.70	0.70	0.70	0.56	0.00079	0.078
Week 2	0.68	0.67	0.69	0.68	0.00079	0.938
Week 3	0.72	0.71	0.76	0.81	0.00079	0.245
Overall	0.70	0.69	0.71	0.68	0.00048	0.771

¹T0 100% Lys requirement, T1 120% Lys requirement, T2 150% Lys requirement, T3 200% Lys requirement
²Linear contrast on the effect of Lys dietary content on ADFI, ADG and G:F ratio
³Average daily feed intake
⁴Average daily gain
⁵Gain to feed ratio

ISSN: 2049-1891