Materials for feeding animals which contain as the active constitutent a partial ester of basic amino acid cellulose or its salt; the above materials wherein the partial ester of basic amino acid cellulose or its salt is in the form of fabric, nonwoven fabric, fiber or powder; and the above materials to be used as materials for treating animal excreta, animal mats, antibacterial/deodorant sheets for animals, antibacterial/deodorant pads for animals, etc. These materials are excellent in antibacterial effect, deodorizing effect and safety.
