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Study reveals impact of historical domestic cattle hybridization with American bison
Date:8/7/2012

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The results revealed that bison with a particular domestic cattle genetic trait, mitochondrial DNA, were consistently smaller and lighter than animals with true bison mitochondrial DNA in both environments.

"We have found that this cattle ancestry affects phenotypic traits and most likely fitness of bison in herds which are maintained for both production and species conservation," concluded Derr. "Long term management efforts with bison, and possibly other species with a history of hybridization, must carefully consider the importance of genome integrity in order to preserve what is the foundation and essence of these species, their genomes."


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Contact: Ben Norman
Sciencenewsroom@wiley.com
44-012-437-70375
Wiley
Source:Eurekalert

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