[1] Southwest Univ, Coll Biotechnol, Chongqing 400716, Peoples R China
[2] Guangxi Univ Sci & Technol, Liuzhou 545006, Guangxi, Peoples R China
[3] Silkworm Egg Prod Farm Santai Cty, Chengdu 621100, Sichuan, Peoples R China
[4] Sericulture Management Stn Sichuan Prov, Chengdu 610000, Sichuan, Peoples R China