Table 1.

Post-weaning pig performance least squares means

Item	Control	2M2B	SE	P-value
BW (kg)
Weaning (3 weeks of age)	6.5	6.6	0.06	0.70
7 days	7.1	7.3	0.11	0.20
14 days	8.1	8.4	0.13	0.06
21 days	10.1	10.9	0.18	0.003
28 days	13.3	14.1	0.25	0.02
ADG (kg/day)
Week 1	0.08	0.11	0.01	0.16
Week 2	0.15	0.16	0.01	0.23
Week 3	0.28	0.35	0.02	0.005
Week 4	0.46	0.46	0.02	0.83
ADFI (kg/pig per day)
Week 1	0.15	0.17	0.01	0.25
Week 2	0.27	0.30	0.02	0.18
Week 3	0.47	0.53	0.02	0.055
Week 4	0.64	0.74	0.03	0.009
G : F
Week 1	0.36	0.59	0.20	0.44
Week 2	0.57	0.55	0.03	0.83
Week 3	0.59	0.67	0.02	0.10
Week 4	0.76	0.62	0.05	0.07
Overall performance
ADG (kg/day)	0.24	0.27	0.01	0.027
ADFI (kg/day)	0.38	0.44	0.02	0.007
G : F ratio	0.63	0.62	0.07	0.56

ADG=average daily gain; ADFI=average daily feed intake; G : F=gain : feed ratio; 2M2B=2-methyl-2-butenal.

n=20 pens per treatment group.

The P-value refers to the significance of the control v. the 2M2B treatments.