Oxidized Oils and Oxidized Proteins Induce Apoptosis in Granulosa Cells by Increasing Oxidative Stress in Ovaries of Laying Hens

Table 2

Effect of dietary oxidized oil and oxidized protein on productivity in laying hens^{1, 2}.

Item	Time (wk)	Fresh oil		Oxidized oil		Pooled SEM	value
		Fresh protein	Oxidized protein	Fresh protein	Oxidized protein		Oil	Protein	Interaction
Egg production (%)	1-4	86.87	85.95	85.45	82.64	0.885	0.197	0.305	0.597
	5-8	89.42	86.19	84.13	83.04	0.782	0.014	0.182	0.503
	1-8	88.14	86.09	84.62	82.83	0.779	0.042	0.232	0.934
ADFI (g/hen/day)	1-4	106.92	106.63	105.30	105.60	0.196	0.003	0.990	0.460
	5-8	110.01	107.88	108.62	106.15	0.403	0.067	0.010	0.835
	1-8	108.43	107.24	106.96	105.89	0.266	0.016	0.046	0.911
FCR	1-4	2.01	2.12	2.20	2.20	0.022	0.007	0.247	0.284
	5-8	2.01	2.07	2.16	2.11	0.018	0.015	0.809	0.150
	1-8	2.03^b	2.10^a,b	2.15^a	2.14^a,b	0.017	0.039	0.607	0.006
Egg weight (g)	1-4	59.67	58.65	57.53	58.99	0.203	0.076	0.911	0.106
	5-8	61.33^a	60.68^a,b	59.87^b	60.61^a,b	0.204	0.038	0.728	0.018
	1-8	60.50	59.65	58.66	59.78	0.191	0.03	0.461	0.297

¹Each value represents the mean values of 6 replicates (). ²Means without a common letter are different; . SEM: standard error of the mean; ADFI: average daily feed intake; FCR: feed converse rate.