Journal of Animal Science and Technology

  • 제47권1호
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  • Pages.133-140
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  • 2005
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  • 2672-0191(pISSN)
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  • 2055-0391(eISSN)
한국축산학회 (Korean Society of Animal Sciences and Technology)
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모돈의 일반 발성음과 발정기 특이음의 비교분석

Comparative Analysis for General and Estrus-related Vocalizations in Sows

  • 전중환 (경상대학교 동물자원과학부.농업생명과학연구원) ;
  • 연성찬 (경상대학교 수의과대학) ;
  • 장홍희 (경상대학교 동물자원과학부.농업생명과학연구원)
  • Jeon, J.H. (Division of Animal Science and Technology.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 and Technology.Institute of Agriculture & Life Sciences, Gyeongsang National University)
  • 발행 : 2005.02.28
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초록

The aim of this study was to divide vocalizations of sows into general(GVs) and estrus-related vocalizations( EVs) and to find out their phonetic characteristics. Ten sows(Landrace) were recorded using digital video recorders twice daily(06: 00 - 08 : 00h and 17: 00 - 19 : 00h) during the anestrus and estrus periods. The GVs and EVs were divided based on the shapes of spectrum and spectrogram. The GVs and EVs were identified as 5 and 3 types, respectively. Pitch, formant I, formant 2, and formant 3 between GVs and EVs were not significantly different(P> 0.05), whereas intensity(P < 0.001), duration(P < 0.05), and formant 4(P < 0.01) were significantly different. Three parameter groups(Group I : Formant vector alone, Group II: Formant veetor+ parameters from time signal, Group III: Formant vector+parameters from time signal-parameters eliminated by stepwise discriminant analysis backward) were compared by discriminant function analysis. The classification system adopted in the Group II represented the higher discrimination rate than those in other groups(Group I : 76.1 0/0, Group II : 88.1 0/0, Group Ill: 87.3 %). These results suggest that EVs are present and intensity, formant 2, and formant 4 are available parameters for discrimination of EVs in sows.

키워드

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피인용 문헌

  1. A note on acoustic analysis of dairy calves’ vocalizations at 1 day after separation from dam vol.8, pp.1, 2009, https://doi.org/10.4081/ijas.2009.113