Strategies to improve the growth and homogeneity of growing-finishing pigs: feeder space and feeding management

Table 4 Results of body weight (BW), average daily gain (ADG) and the time to reach market BW (T₁₀₅) by Treatment and Sex, on a Group (G) basis

Item	Treatment^a		Sex^b		SEM	P-value
Item	G1	G2	F	M	SEM	Treatment	Sex
Body weight, kg
BW64	20.6	20.6	20.6	20.6	0.245	0.897	0.972
BW83	32.4	32.2	32.5	32.1	0.341	0.512	0.452
BW104	48.4	47.4	48.2	47.6	0.454	0.004	0.462
BW125	67.1	65.0	66.1	66.1	0.575	0.000	0.966
BW146	84.0	82.2	82.8	83.4	0.653	0.000	0.242
BW163	96.2	94.1	94.8	95.5	0.721	<.0001	0.492
Average daily gain, g/d
ADG_{64_83 d}	618.7	609.6	626.2	602.1	8.0	0.212	0.004
ADG_{64_104 d}	695.2	668.9	689.3	674.7	6.8	0.000	0.040
ADG_{64_125 d}	761.8	728.0	745.0	744.8	6.7	0.000	0.978
ADG_{64_146 d}	773.0	750.3	758.0	765.3	6.1	<.0001	0.223
ADG_{64_163 d}	763.4	741.8	749.1	756.1	5.8	<.0001	0.219
Time to market BW, d
T₁₀₅^c, d	175.5	179.1	178.3	176.3	0.858	0.003	0.092

^aTreatment refers to “Group” treatment (G1: Group1 for the Sp treatment or G2: Group 2 for the Std treatment)
^bSex of the animals (F: females, M: males)
^cT₁₀₅, for time to reach market BW, fixed at 105 kg (measured in d). The two groups presented in the Table (G1 and G2) refers to the whole population of pigs (n = 1067)

ISSN: 2055-5660