Breed: Flat-coated retriever mixAge: 7 yearsGender: Neutered maleSize: 80 poundsBoston’s story: Boston is a well-mannered, easygoing flat-coated retriever mix. He is in excellent health and ...

Breed: flat coated retriever mix Age: about 5 years Size: about 50 pounds Tucker’s story: This poor boy was on his last day at a shelter, and he was a mess – matted, tangled hair and looking ...

The mutation was found in one-in-four Labrador retrievers and two-thirds of flat-coated retrievers. "It shows us the power of our genes to change how we feel about food," the lead scientist says.