/b/veterinary-nursing-news/posts/norbrook-launches-spot-on-for-cats-dogs-and-ferrets Norbrook Laboratories has launched Fiproclear Combo, a new spot on for the control and prevention of fleas, ticks and biting lice. Fiproclear Combo, which contains fipronil and S-methoprene, is licensed for use on cats and dogs and can also be useden-USTelligent Community 10