The hen percentage in indoor pen, covered shed and outdoor area. (a) The hen percentage in indoor pen. (b) The hen percentage in covered shed. (c) The hen percentage in outdoor area. Note: con16: 16L:8D, 6:00–22:00; int16: 12L:2D:4L:6D, 6:00–18:00. 20:00–24:00; con14: 14L:10D, 6:00–20:00; int14: 10L:2D:4L:8D, 6:00–16:00,18:00–22:00; con12: 12L:12D, 6:00–18:00; int12: 8L:4D:4L:8D, 6:00–14:00,18:00–22:00.