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Layout of treatments (m2/sow) prior to the randomization process. Within each time replicate, north is to the top of table.

 
Column
Time replicate Rows West East
1 1 1.45 1.61 1.81 2.07 2.42 2.9
2 2.07 2.42 2.9 1.45 1.61 1.81
2 1 1.45 1.61 2.07 1.81 2.42 2.9
2 1.81 2.42 2.9 1.45 1.61 2.07
3 1 1.45 1.61 2.42 1.81 2.07 2.9
2 1.81 2.07 2.9 1.45 1.61 2.42
4 1 1.45 1.61 2.9 1.81 2.07 2.42
2 1.81 2.07 2.42 1.45 1.61 2.9
5 1 1.45 1.81 2.07 1.61 2.42 2.9
2 1.61 2.42 2.9 1.45 1.81 2.07
6 1 1.45 1.81 2.9 1.61 2.07 2.42
2 1.61 2.07 2.42 1.45 1.81 2.9
7 1 1.45 2.07 2.42 1.61 1.81 2.9
2 1.61 1.81 2.9 1.45 2.07 2.42
8 1 1.45 2.07 2.9 1.61 1.81 2.42
2 1.61 1.81 2.42 1.45 2.07 2.9
9 1 1.45 2.42 2.9 1.61 1.81 2.07
2 1.61 1.81 2.07 1.45 2.42 2.9



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Tests for effects of space on output measurements (P < 0.05 in bold)

 
P-value
Measurement Transformation Weighting Linear response to space per sow Any additional space effect
Aggression
    Day 2 average of 4 drops Logarithm 0.0000089 0.47
    Day 2 drop 1 Logarithm 0.000070 0.12
    Day 2 average of drops 2 to 4 Log(y + 1) 0.00072 0.47
    Day 26 drop 1 Square root 0.14 0.60
Cortisol
    Day 2 Logarithm 0.00030 0.20
    Day 26 Negative reciprocal (1/y) 0.79 0.75
Reproduction
    Farrowing rate log(1.1 − y) 0.29 0.028
    Born alive Number of sows farrowing 0.96 0.72
    Stillborn Square root Number of sows farrowing 0.73 0.15
    Mummies Square root Number of sows farrowing 0.90 0.21
    Total born Number of sows farrowing 0.78 0.77



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Percentage of sows removed for nonreproductive reasons in each treatment

 
Measurement Floor space, m2/sow
Space allowance 1.45 1.61 1.81 2.07 2.42 2.90
Sows removed, % 6.1 6.5 3.8 5.2 3.7 5.6