Providing pigs with straw bedding offers significant welfare benefits through rooting behavior expression, thermal comfort, and reduced aggression - but requires practical management solutions for modern systems.
Straw deprivation represents one of the most straightforward but widespread welfare failures in commercial pig production. Pigs on slatted concrete floors without manipulable materials show high rates of redirected oral behaviors (tail biting, ear biting, bar biting), stereotypies, and behavioral desperation that clearly indicates thwarted motivation. The contrast with pigs on straw is striking and documented repeatedly in welfare science - straw-bedded pigs are calmer, more occupied, show fewer signs of chronic stress, and have lower rates of damaging social behaviors. The barrier to adoption is infrastructural: slurry systems used in most modern pig units are incompatible with straw. This is a system-level welfare problem requiring industry investment in appropriate housing design rather than individual farm-level decisions alone.