A reduction of these two pathologies has a direct impact on broiler carcass quality grades. In addition some specific carcass parts such as paws have gained some economical interest. In fact, the revenue from chicken paws in 2008 alone was worth $ 280 million in the US. In 2012, their mean price was set at 13.67 $ /kg making it the third most important chicken export revenue. Paw quality is becoming an important economic issue.