The result showed that the contens of blood serum T3 and T4 in B strain female chickens were all higher than those in A strain female chickens.

• 结果表明：南海麻黄鸡A系母鸡、B系母鸡血清T3,T4含量均是B系母鸡高于A系母鸡，南海麻黄鸡B系母鸡的T3/T4比值小于公鸡。