Stable isotope analyses—A method to distinguish intensively farmed from wild frogs

  title={Stable isotope analyses—A method to distinguish intensively farmed from wild frogs},
  author={Carolin Dittrich and Ulrich Struck and Mark-Oliver R{\"o}del},
  booktitle={Ecology and evolution},
Consumption of frog legs is increasing worldwide, with potentially dramatic effects for ecosystems. More and more functioning frog farms are reported to exist. However, due to the lack of reliable methods to distinguish farmed from wild-caught individuals, the origin of frogs in the international trade is often uncertain. Here, we present a new methodological approach to this problem. We investigated the isotopic composition of legally traded frog legs from suppliers in Vietnam and Indonesia… CONTINUE READING

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