Table 1 The characterization of the populations used in this study
From: The genetic effects of the dopamine D1 receptor gene on chicken egg production and broodiness traits
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. |