Table 1.
The characterization of the populations used in this study
| Populations | Origin | Production performance |
|---|---|---|
| Red Jungle Fowls (RJF) | Linshan County, Guangxi, China | Seasonal reproduction and broodiness; an egg-production of 60 per year. |
| Taihe Silkies (TS) |
Taihe County, Jiangxi, China | A 70 to 80% incidence of broodiness; an egg-production of 70-80 per year. |
| Xinghua chickens (XH) | Fengkai County, Guangdong, China | A 70 to 80% incidence of broodiness; an egg-production of 60-90 per year. |
| Gushi chickens (GS) | Gushi County, Henan, China | A 10 to 20% incidence of broodiness; an egg-production of 141 per year. |
| White Recessive Rock Broilers (WRR) | Commercial broiler line imported from Kabir Co Ltd, Italy | No broodiness in cage; an egg-production of 180 per year. |
| Leghorn Layers (LH) | Commercial layer line derived from Italy | No broodiness; an egg-production of 250-300 per year. |
| Ningdu Sanhuang chickens (NDH) | Ningdu County, Jiangxi, China | A 50 to 60% incidence of broodiness; an egg-production of 110-130 per year. |