Table 4.

Production data collected from the farms investigated in this study.

Breed name	Breeding scale	Age of onset (days)	Duration (weeks)	Peak period (weeks)	Cumulative mortality (%)	Laying rate (%)	Hatchability (%)
Ningdu yellow chicken	7000	126	30	28	11.30	45.10	79.30
Taihe silky fowl	5000	141	33	30	12.20	31.10	80.60
Anyi tile-like gray chicken yiTile-likecen	10,000	130	35	29	10.40	42.40	81.50
Dongxiang blue-shell chicken	10,000	125	34	30	7.90	46.30	82.60
Chongren chicken	6000	132	36	29	8.70	48.20	80.10
Guangfeng baier yellow chicken	6000	133	35	29	8.20	50.10	81.10
Xiushui black-bone chicken	7000	143	37	31	13.10	37.30	79.30
Yugan black chicken	5000	141	36	30	12.20	33.40	78.90