Table 3 The effects of dietary probiotics supplementation on the laying performance for the 2 groups (CON, PA) per week and for the trial period (wk 1–14).

From: Supplemental effect of Pediococcus acidilactici CNCM I-4622 probiotic on the laying characteristics and calcium and phosphorus metabolism in laying hens

Mean	Group/week	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	1–14	SEM	Group	Week	Group × week
% total laying rate	CON	98.75%	98.10%	99.52%	99.70%	97.38%	99.94%	98.81%	98.75%	99.70%	100.30%	97.62%	98.81%	98.33%	100.12%	98.04%	98.94%	0.14%	0.151	< 0.001	0.003
% total laying rate	PA	99.05%	98.15%	98.69%	99.23%	98.15%	98.81%	98.69%	99.58%	98.75%	98.99%	97.20%	99.40%	97.20%	98.69%	99.52%	98.65%	0.14%	0.151	< 0.001	0.003
% marketable laying rate	CON	97.36%	97.37%	98.09%	98.15%	95.98%	98.75%	97.66%	97.30%	98.51%	98.74%	96.34%	97.00%	96.56%	98.76%	96.71%	97.60%	0.23%	0.800	< 0.001	0.015
% marketable laying rate	PA	97.85%	97.25%	97.90%	97.97%	97.25%	97.78%	97.96%	98.63%	97.95%	98.28%	96.46%	98.51%	96.11%	97.55%	98.46%	97.68%	0.23%	0.800	< 0.001	0.015
% downgraded eggs/total eggs	CON	1.39%	0.73%	1.43%	1.56%	1.40%	1.19%	1.15%	1.45%	1.19%	1.56%	1.28%	1.81%	1.77%	1.36%	1.33%	1.34%	0.14%	0.072	0.278	0.664
% downgraded eggs/total eggs	PA	1.19%	0.91%	0.79%	1.26%	0.91%	1.03%	0.73%	0.96%	0.80%	0.71%	0.74%	0.90%	1.09%	1.14%	1.07%	0.97%	0.14%	0.072	0.278	0.664
Total egg weight (g)	CON	61.15	60.66	60.79	61.60	61.74	61.13	61.36	61.98	61.32	61.00	61.90	61.68	62.14	62.24	63.06	61.62	0.08	< 0.001	< 0.001	0.162
Total egg weight (g)	PA	61.28	60.80	61.74	62.58	62.63	61.32	61.80	62.31	62.39	61.52	63.00	62.38	63.03	63.19	63.48	62.30	0.08	< 0.001	< 0.001	0.162
Weight of marketable eggs (g)	CON	61.66	60.86	61.21	62.20	62.18	61.53	61.80	62.50	61.70	61.54	62.31	62.28	62.67	62.71	63.53	62.07	0.05	< 0.001	< 0.001	0.160
Weight of marketable eggs (g)	PA	61.70	61.12	61.99	63.06	62.90	61.71	62.09	62.70	62.64	61.74	63.23	62.67	63.44	63.60	63.84	62.62	0.05	< 0.001	< 0.001	0.160
Weight of downgraded eggs (g)	CON	28.00	30.77	29.37	25.88	28.84	32.10	28.77	29.83	28.61	24.66	28.68	28.74	29.49	29.57	28.69	28.69	0.75	0.758	0.879	0.495
Weight of downgraded eggs (g)	PA	29.45	24.80	28.82	28.70	29.35	29.63	28.68	32.07	32.21	29.27	30.15	30.11	23.70	27.81	30.09	29.05	0.75	0.758	0.879	0.495
Exported egg mass—all eggs (g)	CON	68.15	63.87	69.34	68.44	68.32	69.56	66.75	69.06	67.93	66.92	65.70	69.32	69.54	69.09	69.01	68.09	0.66	0.142	< 0.001	0.559
Exported egg mass—all eggs (g)	PA	68.46	64.60	65.05	69.69	66.46	66.44	65.18	68.42	66.57	65.17	65.13	67.56	66.03	68.27	69.96	66.72	0.66	0.142	< 0.001	0.559
Exported egg mass—marketable eggs (g)	CON	60.02	59.27	60.07	61.04	59.70	60.77	60.33	60.79	60.78	60.79	60.04	60.43	60.52	61.94	61.44	60.58	0.16	0.009	< 0.001	0.185
Exported egg mass—marketable eggs (g)	PA	60.37	59.47	60.70	61.78	61.18	60.32	60.81	61.82	61.37	60.68	61.01	61.75	60.99	62.03	62.85	61.19	0.16	0.009	< 0.001	0.185
FCR—all eggs	CON	1.801	1.832	1.800	1.773	1.813	1.783	1.798	1.779	1.785	1.785	1.809	1.794	1.789	1.754	1.767	1.790	0.004	0.016	< 0.001	0.140
FCR—all eggs	PA	1.795	1.829	1.790	1.757	1.773	1.799	1.788	1.759	1.772	1.792	1.784	1.761	1.785	1.751	1.729	1.776	0.004	0.016	< 0.001	0.140
FCR—marketable eggs	CON	1.812	1.840	1.814	1.784	1.827	1.793	1.807	1.791	1.796	1.799	1.822	1.811	1.807	1.766	1.778	1.802	0.005	0.013	< 0.001	0.202
FCR—marketable eggs	PA	1.805	1.837	1.797	1.767	1.782	1.807	1.793	1.766	1.780	1.799	1.792	1.770	1.793	1.760	1.738	1.785	0.005	0.013	< 0.001	0.202

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Table 3 The effects of dietary probiotics supplementation on the laying performance for the 2 groups (CON, PA) per week and for the trial period (wk 1–14).

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