Pheromones are natural substances produced and excreted by cats that alter emotional states and behaviour<ref>Kelliher, K.R. The combined role of the main olfactory and vomeronasal systems in social communication in mammals. Horm Behav 2007; 52:561-70</ref>. Pheromones may be used to reduce problem behaviour in cats, either using synthetic analogues of natural pheromones or scent collected directly from pheromone producing parts of the cat (face and flanks). | Pheromones are natural substances produced and excreted by cats that alter emotional states and behaviour<ref>Kelliher, K.R. The combined role of the main olfactory and vomeronasal systems in social communication in mammals. Horm Behav 2007; 52:561-70</ref>. Pheromones may be used to reduce problem behaviour in cats, either using synthetic analogues of natural pheromones or scent collected directly from pheromone producing parts of the cat (face and flanks). |