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Topic: farmed salmon

Packed Atlantic Salmon (Getty Images/MirageC)

What gives salmon its distinctive color?

Stefanie Colombo - The Conversation
An Atlantic salmon (AP/Jim Cole)

Kathleen McKeoghain - Alternet
(<a href='http://www.istockphoto.com/user_view.php?id=2544718'>ALEAIMAGE</a> via <a href='http://www.istockphoto.com/'>iStock</a>)

Lindsay Abrams