4Sheppy A. The colour of domestication and the designer chicken[J]. Optics & Laser Technology,2011,43(2) :295-301.
5Brumbaugh J A. The ultrastructural effects of the I and S lo- ci upon black-red melanin differentiation in the fowl[J]. Devel- opmental Biology, 1971,2g(3) : 392-412.
6Chang C M, Furet J P, Coville J I, et al. Quantitative effects of an intronic retroviral insertion on the transcription of the ty- rosinas gene in recessive white chickens[J]. Animal Genetics, 2007,38(2) : 162-167.
7Sato S, Otake T, Suzuki C, et al. Mapping of the recessive white locus and analysis of the tyrosinase gene in chickens[J]. Poultry Science, 2007,86(10) : 2126-2133.
