Environmental enrichment for organic slaughter pigs: The effect of roughage and shelter on oral, temperature regulatory, excretory behaviours, and selected behavioural indicators of welfare [including 3 papers]

agriculture biologique animal production animal welfare behaviour bienestar animal carga ganadera cerdo comportamiento comportement conception design forraje grosero fourrage grossier health higiene hygiene organic agriculture piggeries pocilga porcherie porcin production animale roughage salud stocking density swine taux de charge