Acland had been suspicious this might be the case because Collie breeders, who have dealt with extremely high incidence of this disease in their breed for decades, had selected away from the most severe forms. (ashgi.org)
So, it's no surprise that Stewart was among those infuriated by the federal government's decision that cancer is being excluded from the illnesses covered by the act, with experts insisting there's no firm medical proof that first responders's apparent higher incidence of the disease can indeed be linked to the time they spent at Ground Zero. (nystateofpolitics.com)
Spayed and neutered dogs have a significantly higher incidence of this disease. (2ndchance.info)