Selecting an Effective Sound for Inducing Sows and Their Piglets to Nurse and Suckle

돼지의 수.포유행동 유발에 효과적인 소리의 선정

  • Jeon, 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) ;
  • 연성찬 (경상대학교 수의과학대학) ;
  • 장홍희 (경상대학교 축산과학부.농업생명과학연구원)
  • Published : 2003.08.30


Piglets communicate with their sow by using special sounds and synchronize their suckling behavior with their mother’s grunting. This study sought to find an effective sound for controlling the nursing/suckling behavior of pigs. Eighteen crossbred Landrace${\times}$Yorkshire sows and their piglets were studied on days 1, 7, and 14 post-partum. The parity of the sows was three or four. The litter size ranged from 9 to 11, with a mean of 10.4 piglets. Thirty minutes after the end of the last suckling, either the nursing-suckling sound (NSS) or the nursing-suckling sound + click sound (NSSCS) was played for 90 s randomly, and this experiment was repeated three times. The behavior of the sows and their piglets was recorded using camcorders and observed each second. When comparing NSS and NSSCS, there was less lying and sleeping and more sitting, standing, walking, and massaging when NSSCS was played than when NSS was played. These results suggest that NSSCS may induce more nursing and suckling in pigs than NSS.




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