Table 3.

Novogen White laying hens performance and egg quality parameters from 32 to 36 wk of age. Hens were fed a white, yellow or Orange Corn diet.

Parameter	Week	Treatment
		White	Yellow	Orange	P-value
Egg weight, g1	1	61.9 ± 0.7	61.4 ± 0.9	61.4 ± 0.8	0.77
	2	61.6 ± 0.8	62.0 ± 0.9	62.2 ± 0.8	0.78
	3	61.4 ± 0.7	61.7 ± 0.7	62.3 ± 0.9	0.77
	4	62.9 ± 0.7	63.2 ± 0.6	62.5 ± 0.7	0.78
	5	60.9 ± 1.2	60.6 ± 1.1	62.3 ± 1.0	0.46
Yolk weight, g1	1	16.2 ± 0.2	16.0 ± 0.3	15.9 ± 0.2	0.67
	2	15.9 ± 0.3	16.1 ± 0.2	15.8 ± 0.3	0.76
	3	15.8 ± 0.3	15.9 ± 0.4	16.2 ± 0.3	0.71
	4	17.0 ± 0.3	16.4 ± 0.2	16.5 ± 0.3	0.18
	5	16.1 ± 0.5	16.6 ± 0.3	16.6 ± 0.3	0.58
Shell weight, g1	1	5.9 ± 0.1	5.7 ± 0.1	5.8 ± 0.1	0.58
	2	5.9 ± 0.1	5.9 ± 0.1	6.0 ± 0.1	0.59
	3	6.0 ± 0.1⁎	5.5 ± 0.1	5.9 ± 0.1	0.00
	4	6.1 ± 0.1	5.8 ± 0.1	6.0 ± 0.1	0.17
	5	5.7 ± 0.1	5.6 ± 0.1	6.0 ± 0.1	0.06
Haugh unit1	1	87.5 ± 1.3	89.9 ± 1.4	88.8 ± 1.1	0.45
	2	85.7 ± 1.4	90.4 ± 1.3	88.8 ± 0.8	0.03
	3	89.4 ± 2.1	89.7 ± 1.5	95.7 ± 1.2⁎	0.02
	4	88.6 ± 1.1	93.7 ± 1.4⁎	87.9 ± 1.3	0.00
	5	89.7 ± 1.6	88.7 ± 1.4	88.7 ± 1.9	0.89
Egg production rate, %2	1	91.4 ± 2.1	91.9 ± 1.9	94.0 ± 2.1	0.45
	2	97.1 ± 2.1	96.8 ± 1.9	97.7 ± 2.1	0.74
	3	99.9 ± 2.1	97.4 ± 1.9	98.7 ± 2.1	0.63
	4	100.1 ± 2.1	95.9 ± 1.9	99.7 ± 2.1	0.55
	5	98.3 ± 2.1	95.8 ± 1.9	99.1 ± 2.1	0.71
32 wk. body weight3		1.5 ± 0.0	1.5 ± 0.0	1.5 ± 0.0	0.42
36 wk. body weight4		1.7 ± 0.1	1.7 ± 0.1	1.7 ± 0.1	0.51

¹Data are means ± SEM based on 24 replicates per treatment.

²Egg production rate are mean ± SEM; based on 6 replicates per treatment, with twenty hens per replicate.

³32 wk. body weight are mean ± SEM; n = 60.

⁴36 wk. body weight are mean ± SEM; n = 30.

^⁎Significant difference within a row according to Tukey's HSD test (P < 0.05).