Research on Law of Feather Auto-sex Discrimination in Yuzhou Brown Layer Breeding

doi:10.3321/j.issn:1000-7091.2002.03.028

Abstract

Abstract: By means of classification on feather color and anatomic identification of the hatchlings,the relationship between feather color types and sex of commercial squabs from the complete set of Yuzhou layer breeding Ⅰ×Ⅲ was studied.Result showed that commercial squabs from Yuzhou layer breeding Ⅰ×Ⅲ had the traits of the feather auto-sex discrimination,the accurate rate of which reached to 97%.Hatchlings with feather color of purelyred and white are all pullets.Hatchlings with white feather and red spots on their backs are absolutely cockalorums.In those of white feather and red spots on their heads,pullets account for 92.4%;In those of white feather and red stripes on their backs,pullets account for 86.3%;In pink feather's,pullets only amount to 33.3%.

Key words: Yuzhou brown layer breeding, Automatical sexing on feather color, Feather color type

CLC Number:

S831

KANG Xiangtao, SONG Sufang, HUANG Yanqun, LI Ming, WANG Yanbin, TIAN Yadong. Research on Law of Feather Auto-sex Discrimination in Yuzhou Brown Layer Breeding[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(3): 140-142. doi: 10.3321/j.issn:1000-7091.2002.03.028.

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