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1 November 2008 Individual Identification of Asiatic Black Bears Using Extracted DNA from Damaged Crops
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Abstract
To reduce crop damage by Asiatic black bears (Ursus thibetanus), we developed a method to identify individual bears that damaged corn crops based on microsatellite analysis using bear DNA obtained from damaged corn. During summer 2004 in Iwate prefecture, Japan, 99 corn-bite samples were collected, of which 30 (30%) yielded sufficient DNA for 6 complete microsatellite loci. We detected that at least 21 individuals (16 males, 1 female, and 4 of unknown sex) had damaged dent corn in 5 fields. Results enabled individual identification of bears from the samples, but more accurate analysis is needed. Moreover, the sex ratio of nuisance individuals was extremely biased to males compared to that of bears killed through control programs.
Masae Saito, Kiyoshi Yamauchi and Toshiki Aoi "Individual Identification of Asiatic Black Bears Using Extracted DNA from Damaged Crops," Ursus 19(2), (1 November 2008). https://doi.org/10.2192/08GR006.1
Received: 4 September 2007; Accepted: 1 June 2008; Published: 1 November 2008
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