By using ruler , microscope photography and its supporting software for photo processing and measuring , we collected and analyzed morphological characters of the guard hair including cuticular scale pattern and proportion , the length of the hair and non-medulla bottom as well as the diameter of the hair , near hair root and medulla .All the measurements were carried out.SPSS19.0 statistic software was applied to analyze these collected data .We found the guard hair of sable , pine marten and American marten were showed typical spindle-shaped, medulla pattern type were meshed-B, and the order and types of scales and the main types of scales were similar .The analysis indicated a significant difference in the length of the hair and non-medulla bottom , the diameter of the hair , near hair root and medulla , the proportion of flat type scales and valve type scales between the pine marten and sable ( P0.05) .American marten in hair diameter and the proportion of flat type scales were significantly lower than pine marten ( P0.05) .Sable and American marten only in hair diameter showed a significant difference ( P0.05);美洲貂的直针毛细度、扁平型鳞片比例显著低于松貂(P0.05);紫貂和美洲貂只在直针毛的细度上表现出明显的差异(P<0.05).
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