CAJ | 학술논문

首次报道了从影像学水平上鉴定中国大鲵性剐的研究结果.采用多普勒B超,常规方法直接扫描雌雄中国大鲵腹部,并记录大鲵的精巢或卵巢的形状、内部回声.实验结果表明,雌雄中国大鲵的检测结果存在明显的差异,在雄性中国大鲵的腹部,可检测到精巢组织;在雌性中国大鲵的腹部,可检测到为卵巢组织和卵泡.初步分析了实验结果,并认为将多普勒B超鉴定法与泄殖孔法鉴定相结合可以作为中国大鲵性别鉴定的可靠方法.
수차보도료종영상학수평상감정중국대예성과적연구결과.채용다보륵B초,상규방법직접소묘자웅중국대예복부,병기록대예적정소혹란소적형상、내부회성.실험결과표명,자웅중국대예적검측결과존재명현적차이,재웅성중국대예적복부,가검측도정소조직;재자성중국대예적복부,가검측도위란소조직화란포.초보분석료실험결과,병인위장다보륵B초감정법여설식공법감정상결합가이작위중국대예성별감정적가고방법.
Method for sex identification of Chinese giant salamander(Andrias davidianus)with Doppler B-ultrasound was reported.Female and male individuals were scanned by routine examination.The shapes and echo areas of testis and ovaries tissue were recorded.The results showed tllat notable differences exist between male and female sex glands.Testis tissue Was observed in the abdominal part of male Chinese giant salarllander.and the ovaries tissue and ovarian follicle were also observed in the abdominal part of female individual.A preliminary analysis of the results Was made,and it is considered that Doppler B-ultrasound detection combined with the cloacal pore identifieation is a reliable method to identify tlIe sex of the Chinese giant salamander.