I believe that genetic make up makes a dog break down......I follow the model that RJW's vet follows.
Sight To Sea Labradors
Sight To Sea's Take Aim SH (by Sight to Sea's Southern Comfort SH )
Marshtown's Shaken Not Stirred SH ( by FC Wingover's Oliver)
Tealwood's Willing at Sight to Sea JH ( by CH I am Able)
Briarglen's Running on Faith JH (by FC Fish River's Out of the Park)
Southern Cross at Sight to Sea JH (by NAFC FC AFC Cody Cut a Lean Grade)
Glendair's Come Home to the Sea ( By Ch Topform's Edward MH, QAA)
Manager of www.DeCoverlykennels.com
I can name about a dozen veterinarians in our area that are very active and successful in field trials. I don't question their judgment regarding the well-being of their dogs.