Skip to main content

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.