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Wednesday, October 21, 2015

21/10/2015: Scientists are giving prawns "sex changes" to help farmers increase yields

http://www.iflscience.com/plants-and-animals/scientists-are-giving-prawns-sex-change-help-farmers-increase-yields
Image: Ben Sutherland
Scientists are giving “sex changes” to prawns so farmers can reap the economic benefits of producing faster growing and meatier males, Tom Hale writes on theiflscience.com website. 

Just a year after the procedure made it possible, Asian farmers have fully embraced this offbeat method to increase profits.

The procedure requires two main stages in order to create an all-male mob of giant freshwater prawns. It all starts with the androgenic gland, an organ unique to crustaceans that produces a hormone that regulates sexual differentiation and the production of male reproductive organs.

The hormone is suppressed by injecting a molecule that silences the expression of the gene that codes for its production. This cutting-edge technique is called temporal gene silencing. 

Read the full article HERE.

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