Roy T A, Heinrichs B S, Leach R M
Department of Poultry Science, Pennsylvania State University, University Park 16802.
Poult Sci. 1990 Aug;69(8):1399-403. doi: 10.3382/ps.0691399.
The influence of the sex-linked dwarfing gene (dw) on growth and skeletal development in young male broiler chicks was investigated. Chickens that were homozygous (dw/dw) for the dwarfing gene had significantly lower BW and tibiotarsus lengths when compared with the heterozygous (Dw/dw) or normal (Dw/Dw) genotypes. All genotypes exhibited similar incidences of tibial dyschondroplasia. In contrast to several other types of dwarfism, there was no effect of the dw gene on the width of the epiphyseal growth plate or the proteoglycan content of this tissue.
研究了性连锁矮小基因（dw）对年轻雄性肉鸡生长和骨骼发育的影响。与杂合子（Dw/dw）或正常（Dw/Dw）基因型相比，矮小基因纯合子（dw/dw）的鸡体重和胫跗骨长度显著更低。所有基因型的胫骨软骨发育不良发生率相似。与其他几种类型的侏儒症不同，dw基因对骨骺生长板宽度或该组织的蛋白聚糖含量没有影响。
