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. 2017 Sep 1;1(3):351–357. doi: 10.2527/tas2017.0042

Table 3.

Effects of space allocation on finishing pig performance (Exp. 2)1

Item Space allocation per pig, m2 Probability, P <
0.84 0.74 0.65 Linear Quadratic
Pens, no. 8 8 8 --- ---
d 0 to 14
    d 0 weight, kg 60.8 ± 0.939 60.8 ± 0.939 60.7 ± 0.939 0.956 0.899
    ADG, kg 0.97 ± 0.026 0.95 ± 0.026 0.93 ± 0.026 0.322 0.817
    ADFI, kg 2.30 ± 0.032 2.26 ± 0.032 2.28 ± 0.032 0.621 0.412
    G:F 0.422 ± 0.011 0.419 ± 0.011 0.410 ± 0.011 0.401 0.806
d 14 to 27
    d 14 weight, kg 74.3 ± 0.927 74.0 ± 0.927 73.8 ± 0.927 0.513 0.941
    ADG, kg 1.02 ± 0.027 0.95 ± 0.027 0.94 ± 0.027 0.029 0.428
    ADFI, kg 2.90 ± 0.052 2.79 ± 0.052 2.73 ± 0.052 0.028 0.694
    G:F 0.352 ± 0.006 0.341 ± 0.006 0.343 ± 0.006 0.175 0.300
d 27 to 42
    d 27 weight, kg 87.6 ± 1.035 86.4 ± 1.035 86.0 ± 1.035 0.142 0.638
    ADG, kg 1.03 ± 0.018 0.99 ± 0.018 0.98 ± 0.018 0.062 0.612
    ADFI, kg 2.93 ± 0.038 2.80 ± 0.038 2.75 ± 0.038 0.003 0.421
    G:F 0.351 ± 0.006 0.354 ± 0.006 0.356 ± 0.006 0.557 0.928
d 42 to 56
    d 42 weight, kg 103.6 ± 0.974 101.8 ± 0.974 100.7 ± 0.974 0.015 0.707
    ADG, kg 0.97 ± 0.013 0.95 ± 0.013 0.91 ± 0.013 0.002 0.797
    ADFI, kg 3.10 ± 0.039 2.92 ± 0.039 2.80 ± 0.039 <0.001 0.626
    G:F 0.314 ± 0.005 0.324 ± 0.005 0.326 ± 0.005 0.061 0.460
d 56 to 77
    d 56 weight, kg 117.4 ± 0.992 115.0 ± 0.992 113.5 ± 0.992 0.005 0.688
    ADG, kg 0.98 ± 0.015 0.97 ± 0.015 0.90 ± 0.015 0.001 0.098
    ADFI, kg 3.20 ± 0.046 3.09 ± 0.046 2.86 ± 0.046 <0.001 0.312
    G:F 0.306 ± 0.005 0.314 ± 0.005 0.315 ± 0.005 0.203 0.565
d 0 to 77
    d 77 weight, kg 138.0 ± 1.160 135.5 ± 1.160 132.7 ± 1.160 0.004 0.902
    ADG, kg 0.99 ± 0.013 0.96 ± 0.013 0.93 ± 0.013 0.003 0.949
    ADFI, kg 2.91 ± 0.032 2.80 ± 0.032 2.70 ± 0.032 <0.001 0.899
    G:F 0.341 ± 0.003 0.344 ± 0.003 0.345 ± 0.003 0.414 0.833
Carcass traits
    HCW, kg 103.0 ± 1.057 100.0 ± 1.047 96.7 ± 1.111 <0.001 0.878
    Yield,3 % 77.6 ± 1.152 77.9 ± 1.150 77.3 ± 1.155 0.631 0.475
    BF,3 mm 20.1 ± 0.601 19.8 ± 0.586 18.6 ± 0.643 0.127 0.557
    Loin depth,3 cm 6.41 ± 0.129 6.42 ± 0.126 6.62 ± 0.137 0.292 0.571
    Lean,3 % 52.9 ± 0.268 53.0 ± 0.262 53.7 ± 0.288 0.034 0.296
    Iodine value, mg/100g 68.8 ± 0.304 69.3 ± 0.294 69.0 ± 0.319 0.764 0.282
1

A total of 215 finishing pigs (PIC 327 × 1,050, initially 61 kg BW) were used in a 77-d study.

2

Each pen contained 9 pigs and space allocation was manipulated by utilizing adjustable gates.

3

Values were adjusted using HCW as a covariate.