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

Zoric, Mate; Nilsson, Ebba; Lundeheim, Nils; Wallgren, Per

doi:10.1186/1751-0147-51-23

Acta Veterinaria Scandinavica

Table 3 Least-squares means for scores in each housing system and age, and pairwise t-tests between the groups.

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

Day 3
Group	Carpus	Hock	Abdomen&teats	Face	Tail	Feet	Castration wounds
Group I (Control)	1.01	0.20	0.09	0.14	0.05	0.87	-
Group II (Double straw)	0.71	0.12	0.15	0.09	0.03	0.65	-
Group III (Piglet Floor ^® )	0.57	0.15	0.10	0.03	0.03	0.55	-
Group IV (Thorocrete SL ^® )	0.47	0.09	0.06	0.10	0.08	0.46	-
Differences between groups
Group II – Group I	-0.30**	-0.08^n.s.	0.06^n.s.	-0.05^n.s	-0.02^n.s.	-0.22**	-
Group III – Group I	-0.44***	-0.05^n.s.	0.01^n.s.	-0.11^n.s	-0.02^n.s	-0.32***	-
Group IV – Group I	-0.54***	-0.11**	-0.03^n.s.	-0.04^n.s	0.03^n.s.	-0.41***	-
Group III – Group II	-0.14^n.s.	0.03^n.s.	-0.05^n.s.	-0.06^n.s	0.00^n.s.	-0.10^n.s.	-
Group IV – Group II	-0.24**	-0.03^n.s	-0.09***	0.01^n.s	0.05^n.s.	-0.19**	-
Group IV – Group III	-0.10^n.s.	-0.06^n.s.	-0.04^n.s.	0.07^n.s	0.05^n.s	-0.01^n.s.	-
Day 10
Group	Carpus	Hock	Abdomen&teats	Face	Tail	Feet	Castration wounds
Group I (Control)	0.91	0.09	0.01	0.26	0.04	0.36	0.14
Group II (Double straw)	0.71	0.10	0.03	0.13	0.04	0.43	0.21
Group III (Piglet Floor ^® )	0.54	0.01	0.00	0.08	0.01	0.17	0.03
Group IV (Thorocrete SL ^® )	0.51	0.03	0.01	0.09	0.05	0.23	0.12
Differences between groups
Group II – Group I	-0.21*	-0.01^n.s	-0.02^n.s	-0.13*	-0.00^n.s.	0.07^n.s.	0.08^n.s
Group III – Group I	-0.37***	-0.08^n.s	-0.01^n.s	-0.17***	-0.03^n.s	-0.19*	-0.11*
Group IV – Group I	-0.40***	-0.06^n.s	0.00^n.s	-0.17***	-0.01^n.s.	-0.13*	-0.02^n.s
Group III – Group II	-0.17^n.s.	-0.09^n.s	-0.03^n.s	-0.05^n.s	-0.03^n.s	-0.26***	-0.18**
Group IV – Group II	-0.20	-0.07^n.s	-0.02^n.s	-0.04^n.s	-0.01^n.s.	-0.20**	-0.09^n.s
Group IV – Group III	-0.03* ^n.s.	0.02^n.s	0.01^n.s	0.01^n.s.	0.04^n.s	-0.06^n.s.	0.09^n.s
Day 17
Group	Carpus	Hock	Abdomen&teats	Face	Tail	Feet	Castration wounds
Group I (Control)	0.43	0.06	0.00	0.21	0.00	0.27	0.09
Group II (Double straw)	0.38	0.02	0.00	0.06	0.02	0.32	0.10
Group III (Piglet Floor ^® )	0.21	0.02	0.00	0.03	0.00	0.22	0.09
Group IV (Thorocrete SL ^® )	0.20	0.02	0.00	0.03	0.02	0.17	0.07
Differences between groups
Group II – Group I	-0.05^n.s.	-0.04^n.s.	-0.00^n.s.	-0.15*	0.01^n.s	0.05^n.s.	0.01^n.s
Group III – Group I	-0.22*	-0.04^n.s.	-0.00^n.s.	-0.18***	-0.00^n.s	-0.05^n.s.	-0.00^n.s
Group IV – Group I	-0.23***	-0.04^n.s.	-0.00^n.s.	-0.18***	0.01^n.s.	-0.10^n.s.	-0.02^n.s
Group III – Group II	-0.17^n.s.	-0.00^n.s.	-0.00^n.s.	-0.03^n.s	-0.01^n.s	-0.10^n.s.	-0.01^n.s
Group IV – Group II	-0.18^n.s.	-0.00^n.s.	-0.00^n.s.	-0.03^n.s	-0.00^n.s	-0.15^n.s.	-0.03^n.s
Group IV – Group III	-0.01^n.s.	-0.00^n.s.	-0.00^n.s.	-0.00^n.s.	0.01^n.s	-0.05^n.s.	-0.02^n.s

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

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ISSN: 1751-0147

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