晓鸣股份：公司主营业务为祖代蛋种鸡、父母代蛋种鸡养殖

Group 1 - The company, Xiaoming Co., is an integrated technology-based enterprise specializing in the breeding of grandparent and parent generation egg-laying chickens, as well as related services such as egg incubation and chick sales [2] - The main business activities include the breeding of grandparent and parent generation egg-laying chickens, sales of parent generation chicks, commercial chicks, and their by-products, as well as the breeding and sales of commercial growing chickens [2] - The primary products consist of parent generation chicks, commercial chicks, and their by-products, with a focus on unincubated breeding eggs and eggs that have not yet hatched [2]