Potential selection for lipid kinase activity and spermatogenesis in Henan native pig breeds and growth shaping by introgression of European genes

Table 1 Origin and timing of the introgression events in the Henan indigenous pigs

Breed	Origin	Admixture generation (mean)	Timing (years ago)
Huainan	Berkshire	12.63	50.52–63.15
Huainan	Duroc	9.89	39.56–49.45
Queshan	Berkshire	12.81	51.24–64.05
Queshan	Duroc	8.28	33.12–41.40
Nanyang	Berkshire	7.50	30.00–37.50
Nanyang	Duroc	4.24	16.96–21.20

ISSN: 1297-9686