Give your cat a tasty treat that's also clinically proven to improve their dental health with Virbac . Oral Hygiene Fish Flavor Cat Chews. These chews feature Virbac’s exclusive dual-enzyme system that provides a natural and effective antiseptic that eliminates harmful oral bacteria and freshens kitty breath. The abrasive texture of freeze-dried fish helps remove tartar and plaque while its irresistible flavor makes it a hit with fussy felines. Virbac . chews can be fed daily to help keep your kitty’s breath fresh and their teeth sparkling between regular brushings.