Characteristics of Estrus-related Vocalizations of Sows after Artificial Insemination

모돈의 인공수정 후 시기별 발성음의 특성

  • Rhim, Shin-Jae (Department of Animal Science and Technology, Chung-Ang University) ;
  • Kim, Min-Jin (Department of Animal Science and Technology, Chung-Ang University) ;
  • Lee, Ju-Young (Department of Animal Science and Technology, Chung-Ang University) ;
  • Kim, Na Ra (Department of Animal Science and Technology, Chung-Ang University) ;
  • Kang, Jeong-Hoon (Department of Animal Science and Technology, Chung-Ang University)
  • 임신재 (중앙대학교 동물자원과학과) ;
  • 김민진 (중앙대학교 동물자원과학과) ;
  • 이주영 (중앙대학교 동물자원과학과) ;
  • 김나라 (중앙대학교 동물자원과학과) ;
  • 강정훈 (중앙대학교 동물자원과학과)
  • Published : 2008.06.01


This study was conducted to clarify the characteristics of estrus-related vocalization of sows after artificial insemination. Vocalization of sows in artificial insemination day, and 3 days and 50 days after artificial insemination, were recorded 3 hours per day from September 2006 to March 2007 using the MD Recorder(Marantz PMD-650) and microphone(RF Condesner MIC, MKH 416P48). The shapes of spectrum and spectrogram of vocalization were different in each period after artificial insemination. There were significant differences in frequency and intensity, but not in duration of vocalization. The fact that signal may give a reliable indication of the signaller's needs has suggested that in some circumstances they can provide information on animal welfare.


Artificial insemination; Sow; Vocalization


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