An evaluation of three methods for assessing sexual behavior in boars.

作者: D G Levis , J J Ford , R K Christenson

DOI: 10.2527/1997.752348X

关键词: INTAnimal scienceBiologySexual behaviorBOAR

摘要: This study used three separate methods to evaluate sexual behavior in boars previously classified as having high (H), intermediate (INT), or low (L) levels of behavior. Boars were initially evaluated for at 9.6 10.6 mo age with a tethered female 5 min. subsequently 10 min (TF), group females (FG), continuously cohabitation environment 113 h (C). When the TF procedure they mounted less time ( P < .01) and copulated sooner (P <.01) than when FG procedure. Regardless whether was used, L cumulated nosing sides took longer first mount H INT boars. Proportion successful matings not different between procedure; however, proportion by (91.7%), (79.2%), (45.8%) did differ <.001). With C procedure, classification affected average number (H, 4.7; INT, 2.3; L,.33). indicates that traits expressed boar are similar female, females, environment.

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