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

Table 2.

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

Item Space allocation per pig, m2 Probability, P <
0.84 0.74 0.65 Linear Quadratic
No. of pens 7 7 6 --- ---
d 0 to 14
    d 0 weight, kg 66.1 ± 0.723 66.1 ± 0.723 66.1 ± 0.728 0.953 0.944
    ADG, kg 1.05 ± 0.028 1.00 ± 0.028 1.00 ± 0.031 0.238 0.538
    ADFI, kg 2.67 ± 0.042 2.63 ± 0.042 2.57 ± 0.044 0.081 0.780
    G:F 0.392 ± 0.008 0.381 ± 0.008 0.388 ± 0.009 0.656 0.300
d 14 to 28
    d 14 weight, kg 80.8 ± 0.715 80.1 ± 0.715 80.1 ± 0.743 0.318 0.543
    ADG, kg 1.07 ± 0.027 0.98 ± 0.027 1.02 ± 0.029 0.180 0.057
    ADFI, kg 2.87 ± 0.050 2.78 ± 0.050 2.75 ± 0.053 0.072 0.533
    G:F 0.375 ± 0.009 0.353 ± 0.009 0.371 ± 0.010 0.790 0.096
d 28 to 42
    d 28 weight, kg 95.9 ± 0.828 93.8 ± 0.828 94.4 ± 0.864 0.078 0.071
    ADG, kg 0.92 ± 0.037 0.97 ± 0.037 0.91 ± 0.041 0.875 0.293
    ADFI, kg 2.85 ± 0.066 2.80 ± 0.066 2.81 ± 0.070 0.598 0.578
    G:F 0.323 ± 0.009 0.345 ± 0.009 0.325 ± 0.010 0.850 0.102
d 42 to 55
    d 42 weight, kg 108.8 ± 1.059 107.3 ± 1.059 107.2 ± 1.111 0.164 0.486
    ADG, kg 0.96 ± 0.021 0.91 ± 0.021 0.91 ± 0.023 0.064 0.415
    ADFI, kg 3.05 ± 0.069 2.99 ± 0.069 2.80 ± 0.074 0.017 0.454
    G:F 0.316 ± 0.008 0.308 ± 0.008 0.324 ± 0.009 0.467 0.235
d 55 to 66
    d 55 weight, kg 121.3 ± 1.186 119.2 ± 1.186 119.0 ± 1.237 0.064 0.347
    ADG, kg 1.06 ± 0.030 1.03 ± 0.030 0.96 ± 0.032 0.035 0.633
    ADFI, kg 3.16 ± 0.043 3.11 ± 0.043 2.96 ± 0.046 0.001 0.216
    G:F 0.336 ± 0.009 0.331 ± 0.009 0.326 ± 0.010 0.452 0.980
d 0 to 66
    d 66 weight, kg 133.4 ± 1.109 130.6 ± 1.109 129.6 ± 1.168 0.005 0.323
    ADG, kg 1.01 ± 0.015 0.98 ± 0.015 0.96 ± 0.016 0.019 0.568
    ADFI, kg 2.90 ± 0.042 2.84 ± 0.042 2.77 ± 0.045 0.009 0.805
    G:F 0.348 ± 0.003 0.343 ± 0.003 0.347 ± 0.003 0.738 0.282
Carcass traits
    HCW, kg 98.6 ± 1.546 94.2 ± 1.504 95.3 ± 1.746 0.116 0.111
    Yield,3 % 73.4 ± 0.234 73.1 ± 0.227 73.8 ± 0.267 0.228 0.060
    BF,3 mm 18.4 ± 0.558 17.8 ± 0.535 17.0 ± 0.646 0.101 0.821
    Loin depth,3 cm 6.3 ± 0.140 6.5 ± 0.136 6.4 ± 0.158 0.641 0.471
    Lean,3 % 53.6 ± 0.329 54.1 ± 0.316 54.3 ± 0.385 0.188 0.718
    Iodine value, mg/100g 69.1 ± 0.311 68.9 ± 0.299 69.7 ± 0.350 0.204 0.246
1

A total of 189 finishing pigs (PIC 327 × 1,050, initially 66 kg BW) were used in a 66-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.