Baby salmon with ‘old’ DNA more likely to survive epic migration - Juvenile Atlantic salmon with shorter telomeres – normally considered a sign of poor health – have a higher chance of surviving the epic migration from their home river to the sea and back again.

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Baby salmon with ‘old’ DNA more likely to survive epic migration - Juvenile Atlantic salmon with shorter telomeres – normally considered a sign of poor health – have a higher chance of surviving the epic migration from their home river to the sea and back again.