作者: Francien H. de Jonge , Sarah-Lee Tilly , Annemarie M. Baars , Berry M. Spruijt
DOI: 10.1016/J.APPLANIM.2008.03.006
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摘要: … may underlie rewarding properties of appetitive feeding behaviour in pigs. Suggestions include the possibility that the performance of foraging behaviour is rewarding in its own right (…