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Strategies for Enhancement in Food Production
Question
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Bull semen is stored in

 

  • liquid carbon dioxide

  • liquid oxygen

  • liquid nitrogen

  • ice

Answer

C.

liquid nitrogen

Semen is stored in semen banks for artificial insemination or artificial breeding, eg, Bull's semen is stored at -196oC temperature. This temeperature is obtained by liquid nitrogen.

Deep freezing is used for keeping seven day old embryos for several years. Deep freezing is also done at -196oC.

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