Table 5.

Feed conversion ratio as affected by photoperiod, TSAA and their combination.

Items	Feed conversion ratio g gain/ g feed
	1-2w	2-3w	3-4w	4-5w	1-5w
Photoperiod (h/day)
22	1.30	1.52	1.79	1.29b	1.47b
16	1.33	1.47	1.69	1.95a	1.61a
SEM	0.01	0.02	0.03	0.03	0.02
p-value	0.148	0.139	0.051	<0.001	<0.001
					TSAA (%)
1.30	1.38a	1.61a	1.75	1.82a	1.64a
1.10	1.25c	1.48b	1.69	1.44c	1.47b
0.90	1.31b	1.39c	1.77	1.61b	1.52b
SEM	0.02	0.03	0.04	0.04	0.02
p-value	0.001	0.001	0.358	<0.001	0.001
Interaction
22/1.30	1.39	1.75a	1.67d	1.44	1.56
22/1.10	1.24	1.43d	1.77c	1.21	1.41
22/0.90	1.27	1.39d	1.92a	1.23	1.45
16/1.30	1.38	1.48c	1.83b	2.19	1.72
16/1.10	1.27	1.53b	1.62e	1.68	1.53
16/0.90	1.35	1.40d	1.62e	1.66	1.59
SEM	0.07	0.14	0.14	0.39	0.11
p-value	0.274	0.002	0.004	0.054	0.797