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The Effects of Different Farrowing Space on Lactating Sow Performances and Growth Performances of Piglets  

Lee, Jun-Yeob (Animal Environment Division, National Institute of Animal Science, RDA)
Jeon, Jung-Hwan (Animal Environment Division, National Institute of Animal Science, RDA)
Park, Kyu-Hyun (Animal Environment Division, National Institute of Animal Science, RDA)
Song, Jun-Ik (Animal Environment Division, National Institute of Animal Science, RDA)
Publication Information
Journal of Animal Environmental Science / v.18, no.3, 2012 , pp. 157-164 More about this Journal
Abstract
This study was conducted to investigate the effect of different farrowing space, narrow and wide, on the sow performances and piglet growth performances. The $1.5m^2$ of narrow farrowing space was determined as the size of farrowing crate. The $3.0m^2$ of wide space for farrowing sow was the same of farrowing pen to allow the behavior freedom of sow. Baby piglets in the wide farrowing space was protected from crushing of sow by installation of safety bar. The pregnant sows used in this study were stall-housed during gestation and moved to each farrowing spaces on 8 d before parturition. Feed intake, backfat thickness and body condition score of sow were not affected by both farrowing spaces. However, the changes in backfat thickness and body condition score between farrowing and weaning in wide farrowing space were lower (p<0.05) than in narrow farrowing space. The return to estrus of sow was remarkably decreased in wide farrowing space compared to sows in narrow farrowing space. The lower number of stillbirth and higher mortality of piglets were observed in wide farrowing space. From the results, although wide farrowing space could be practically acceptable in terms of sow performances, possible cause of mortality of piglets should be scrutinized through observation of piglet and sow behaviors.
Keywords
Welfare; Farrowing crate; Sow; Piglet; Performance;
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