Broiler behavior: Influence of thermal stress, age, and period of the day

This study evaluated the behavior of broiler chickens subjected to thermal stress during different periods day and age birds. A total 180 one-day-old male chicks were allocated three chambers. Each chamber contained five boxes, with 12 chicks/box. Birds assigned a completely randomized design. The birds filmed, images recorded every minute two periods: morning (from 08:00 09:00 h) afternoon 17:00 18:00 h), at [...]