| I agree, too, that all the factors mentioned play a part but I think genetics is the most important. In the 1980's I had 3 litters out of OFA Good to Good that produced one Mild, 1 Fair and 5 Excellents & the others all Good. Way before the BARF diet trend, these puppies were all fed commercial dog food (Science Diet, Eukanuba, etc.) with no supplementation. They were limited to play as puppies only with each other or with their dam. The one that did not OFA fractured her canon bone at 5-1/2 months. Whether or not that had anything to do with her not OFAing I don't know. Two of the Excellents played very, very rough with each other and neither was permanently injured with only one incidence of minor lameness.
Nancy
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von Dorow Rottweilers
doggo1@apex2000.net
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