Pheromones are used for conspecific communication by many animals. In Drosophila. the volatile male-specific pheromone 11-cis vaccenyl acetate (cVA) supplies an important signal for gender recognition. Sensing of cVA by the olfactory system depends on multiple components. https://www.bekindtopets.com/mega-choice-Nutri-Vet-Uri-Ease-Paw-Gel-for-Cats-hot-buy/