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Age and Sex Determination in the Water Vole (Arvicola amphibius, Rodentia, Arvicolinae) Based on Measurements of the Pelvic Limb Bones

机译:基于盆骨肢骨测量的水田鼠(两栖类,两栖类,弓形科)的年龄和性别的确定

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摘要

A method was developed for determining the age and sex of the water vole (Arvicola amphibius L.) based on the measurements of the pelvic limb bones. The material was obtained from captive-bred animals of a known age. By using discriminant analysis, classification functions were found for dividing the animals of the sample analyzed (n = 56) by sex and age with an accuracy equal to one year. Testing the control group (n = 34) showed that the age of 90.0% of males and of 92.9% of females was determined correctly. The correctness of the classification by sex is 100%.
机译:根据骨盆四肢骨的测量,开发了一种确定水田鼠(Arvicola amphibius L.)的年龄和性别的方法。该材料获自已知年龄的圈养动物。通过判别分析,发现了分类函数,可将被分析样品的动物(n = 56)除以性别和年龄,准确度等于一年。对对照组(n = 34)进行的测试表明,正确确定了男性的90.0%和女性的92.9%的年龄。按性别分类的正确性是100%。

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