Literaturrecherche

Literatur Hillmann E, Mayer C, Schön PC, Puppe B, Schrader L (2004) Vocalisation of domestic pigs (Sus scrofa domestica) as an indicator for their adaptation towards ambient temperatures. Appl Anim Behav Sci 89(3-4):195-206, DOI:10.1016/j.applanim.2004.06.008