The spray contains a solution of the same pheromone compound which occurs naturally in the boar and which is responsible for the " boar odor". Improves boar efficiency, libido, and the semen output. Hogmate for Boars: Spray Hog Mate directly onto the boar's nose from a distance of 8-12 inches, 2-3 pumps per dose. We also have Hogmate for Gilts/Sows: stimulates onset of estrus.