(1) Brown shell laying hens: Blue Ocean Brown, Roman Brown, Xinyang Brown, Nongda No.3 Brown, Jinghong, Baowansi Gaolan, Hessex Brown, Issa Brown, Nick Red, Dika Brown, babcock B-380, etc.

(2) Varieties of powder shell laying hens: Blue Ocean Grey, Romance Powder, Agricultural University No.3 Powder, Beijing Powder, Nick Coral Powder, etc.

(3) White-shell layers: Hailanbai, Romanabai, Beijing White, Hessenbai, etc.