they sell a product here that is labeled USDA approved as a feed
supplement.
I understand that you must wet it so it will not shred their nostrils and
lungs.
I do have deep suspicions, but am interested. has been very widely
promoted for dogs and cats.
Becky
Semper Fi & The ShadowRat
Huffman Horse and Cattle Company
Fine Endurance Arabians and 'Horned Cows'
hhcc1@htcomp.net