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Table 1 Impact of treatment on pen and pig hygiene scores. The table displays where Treatment had an effect on hygiene. For the full table, see Appendix I. Identical Farm number indicates that the farm produced both grower and finisher pigs. WIP indicates Weeks in Production

From: Impact of amount of straw on pig and pen hygiene in partly slatted flooring systems

  Slatted floor area hygiene Solid floor area hygiene Pig Hygiene
Farm Treatment WIP Clean Not Clean p-value Clean Not Clean p-value Clean Not Clean p-value
G2 C 3 14 10   24 0   253 0  
ES   20 0 0.0009 20 0 N.E. 217 0 N.E.
F4 C 4 12 0   12 0   103 6  
ES   12 0 N.E. 0 12 0.0001 108 0 0.0291
C 8 10 2   12 0   80 23  
ES   4 8 0.0361 5 7 0.0046 93 13 0.0670
C 10 4 8   9 3   93 10  
ES   12 0 0.0013 12 0 0.2174 94 12 0.8227
C 11 9 2   10 1   77 18  
ES   2 10 0.0033 3 9 0.0028 92 15 0.4461
F5 C 6 16 4   19 1   180 21  
ES   20 0 0.1060 20 0 1.000 202 4 0.0003
C 8 18 1   19 0   177 11  
ES   20 0 0.4872 11 9 0.0012 202 5 0.1234
C 10 16 4   16 4   213 4  
ES   20 0 0.1060 18 2 0.6614 179 25 0.0001
  1. Solid and slatted floor area was scored on a 5 graded scale, 0 indicating no soiling/blocking. For each score above 0, 25% of the Solid/Slatted floor was considered soiled/blocked. Pig hygiene was scored on a 3 graded scale, 1–3. Score 1 indicate maximum of 20% soiled body surface, score 2; maximum 50% soiled body surface, score 3; more than 50% soiled body surface. Soiling of body surface was scored on one of the pig sides according to Welfare Quality (2009)
  2. N.E. non estimable