摘要
对利川马的品种资源近几十年来的资料和调查的结果进行分析,用地方品种资源受威胁的程度和群体的有效大小等指标分析了利川马资源的受威胁程度。结果表明:利川马存栏数量在上世纪 70 年代以后呈逐渐下降的趋势;利川马的有效群体大小正在逐渐下降,处于潜在威胁中,也正接近最低威胁;整体上看,体尺、体重近几年不断提高,利川马产驹数有下降的趋势。
The data and investigating result of genetic resource of Licuan horse in the passed decades were analyzed in this paper,the genetic resource of Licuan horse in Hubei province was analyzed with the indexes of the threatened situation and effective population size.The result showed that the amount of Licuan horse was tending to descend in 1970s,the inbreeding phenomenon was heavy,the effective population size of all Licuan horse was descending every year, Licuan horse was potentially endangered, it was close to endanger minimally.View the situation as a whole, the body measurement and weigth are improving constantly in recent years, the numeber of foal is tending to descend.
出处
《中国草食动物》
2005年第2期36-37,24,共3页
China Herbivores
