Fourty four nike red chicken were used to studry sex identification by preparing chromosomes with the techniques of direct pulp, modified direct marrow, marrow short term incubation and C-banding.

• 以引进品种尼克红鸡为研究对象 ,用羽髓法和改进的骨髓法制备染色体并对其进行 C分带处理 ,依据 C带 W染色体的存在与否 ,对 32只尼克红鸡进行了性别鉴定。