Have you ever been stressed and forgot what you were doing? Chronic mild stress may explain why many salmon don´t return to our rivers and why 20% of salmon production is lost every year.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/g...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/g...