Splay leg in chickens poultry animals isn't comparable to splay leg in nestlings. That is commonly from hock slippage slipped tendons perosis. Crystal Cat Litter KITTY SAND is completely nontoxic to Animals and humans. Silicon dioxide is utilised for getting a foods additive in These types of products and alternatives https://petskyonline.com/blog/indoor-cats-vs--outdoor-cats--what-products-do-you-really-need-/