Table 1.

Effect of different light intensity treatments on body weight

Age	Light intensity treatment and body weight(g)					LSD at 5% level
	High (320 lux)	Medium (20 lux)	Dim (5 lux)	Control/white (20 lux)	−VEC (12D:12L)
14 d	473.22±14.8	472.00±21.4	479.88±16.8	467.16±13.8	441.45±29.1	14.26
21 d	849.06±46.7	838.56±31.3	842.72±41.4	859.22±40.9	724.66±56.3
28 d	1,472.95±78.9	1,466.56±76.7	1,499.44±44.2	1,481.55±86.7	1,303.38±103.9
35 d	2,042.84±150.1	2,036.22±105.7	2,147.06±99.7	2,035.61±137.9	1,640.55±56.4

−VEC, negative control, LSD, least significant difference.

Negative control consisted of 12 h of dark period and 12 h of light period.