Application of molecular sexing to free-ranging Asian elephant (Elephas maximus) populations in southern India*
作者： T. N. C. Vidya , R. Sukumar , C. Arivazhagan , V. Roshan Kumar
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摘要: Selective poaching of Asian elephant (Elephas maximus) males for ivory has resulted in highly female-biased adult sex ratios, necessitating regular monitoring population structure and demography. We demonstrate that molecular sexing from dung-extracted DNA, based on ZFX-ZFY fragment amplification ZFY-specific BamHI site restriction, can be applied to estimate ratios free-ranging elephants, addition or instead field demographic methods. The using Nagarahole Mudumalai-Bandipur reserves during May 2001 were 1:3.1, which matched the demography-based ratio same month, 1:9.4, respectively.
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