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Table 2 Differences in least squares means within each housing system, and pairwise t-tests of significance for these differences.

From: Incidence of lameness and abrasions in piglets in identical farrowing pens with four different types of floor

 

Group I control

Group II double straw

Group III Piglet Floor®

Group IV Thorocrete SL®

Day 10 compared to Day 3

    

Carpus

-0.10n.s.

-0.00n.s

-0.03n.s.

0.04n.s.

Hock

-0.11***

-0.02n.s.

-0.14***

-0.06n.s.

Abdomen&teats

-0.08***

-0.12***

-0.10***

-0.05*

Face

0.12***

0.04n.s.

0.05n.s

-0.01n.s.

Tail

-0.01n.s

0.01n.s.

-0.02n.s

-0.03n.s.

Feet

-0.51***

-0.22**

-0.38***.

-0.23***

Castration wounds

-

-

-

-

Day 17 compared to Day 10

    

Carpus

-0.48***

-0.33***

-0.33***

-0.31***

Hock

-0.03n.s.

-0.08*

0.01n.s.

-0.01n.s.

Abdomen&teats

-0.01n.s.

-0.03n.s.

-0.00n.s

-0.01n.s.

Face

-0.05n.s.

-0.07n.s

-0.05n.s.

-0.06n.s

Tail

-0.04n.s

-0.02n.s.

-0.01n.s.

-0.03n.s

Feet

-0.09n.s.

-0.11n.s

0.05n.s.

-0.06n.s.

Castration wounds

-0.05n.s.

-0.11*

0.06n.s.

-0.05n.s.

  1. ns: not significant, *: p < 0.05, **: p < 0.01, ***: p < 0.001
  2. For true percentages of affected pigs regardless of the score of the lesion, see figures 1 – 6.