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Behavioral Recovery of Sows and Behavioral Development of TheirPiglets Postpartum

분만 후 모돈의 행동적 회복과 포유자돈의 행동적 발달

  • Jeon, J.H. (Division of Animal Science . Institute of Agriculture & Life Sciences, Gyeongsang National University) ;
  • Kim, D.J. (Division of Animal Science . Institute of Agriculture & Life Sciences, Gyeongsang National University) ;
  • Han, J.H. (Division of Animal Science . Institute of Agriculture & Life Sciences, Gyeongsang National University) ;
  • Yeon, S.C. (College of Vet Medicine, Gyeongsang National University) ;
  • Chang, H.H. (Division of Animal Science . Institute of Agriculture & Life Sciences, Gyeongsang National University)
  • 전중환 (경상대학교 축산과학부 . 농업생명과학연구원) ;
  • 김동주 (경상대학교 축산과학부 . 농업생명과학연구원) ;
  • 한지훈 (경상대학교 축산과학부 . 농업생명과학연구원) ;
  • 연성찬 (경상대학교 수의과대학) ;
  • 장홍희 (경상대학교 축산과학부 . 농업생명과학연구원)
  • Published : 2003.12.31

Abstract

We investigated postpartum behaviors of sows and their litters. The aim of this study was to determine the behavioral recovery of sows and the behavioral development of their piglets postpartum. Five multiparous sows(Landrace${\times}$Yorkshire) and their litters were studied over a period of 5 days postpartum. The litter size varied from 8 to 13 with a mean of 11.2 piglets. The behaviors of sows and their piglets were recorded using five CCD cameras, a multiplexer and a time lapsed VCR. The videotapes were scanned every 2 min to obtain an instantaneous behavioral sample. In the behaviors of sows, ‘Lying ventrally’ increased from 1 h postpartum to 26 h postpartum, then decreased gradually, and stabilized after 80 h postpartum. ‘Lying laterally’ decreased from 1 h postpartum to 26 h postpartum and stabilized after 80 h postpartum. ‘Standing, drinking and feeding’ increased from 1 h postpartum to 23 h postpartum, then decreased gradually, and increased again from 60 h postpartum. ‘Sitting’ increased from 1 h postpartum to 46 h postpartum and then decreased. In the behaviors of piglets, ‘Lying’ increased rapidly from 1h postpartum to 45h postpartum, and then was maintained at an almost constant level. ‘Massaging and Suckling’ decreased rapidly from 1 h postpartum to 36 h postpartum, and then was maintained at an almost constant level. ‘Walking’ increased from 1 h postpartum to 21 h postpartum, then decreased gradually. These results suggest that the behavioral recovery of the sow is almost completed at 80h postpartum and that the behavioral development of the piglet is almost completed at 45h postpartum.

Keywords

Sow;Piglet;Behavioral recovery;Behavioral development;Parturition

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