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Effect of group size and structure on the welfare and performance of pregnant sows in pens with electronic sow feeders



Effect of group size and structure on the welfare and performance of pregnant sows in pens with electronic sow feeders



Canadian Journal of Veterinary Research 70(2): 128-136



Pregnant sows were housed in dynamic, twice-mixed, and static groups of different sizes in pens with electronic sow feeders (ESFs) to study the effect of group size and structure on sow welfare and performance. The total injury score (TIS) was significantly higher (P<0.05) in the dynamic group than in the other groups in general and 2 wk after mixing. The salivary cortisol concentrations were similar in the 3 groups.

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Accession: 004420384

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PMID: 16639945



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