Intervet Schering-Plough Animal Health offers Enterovax. Enterovax is designed for the vaccination of healthy chickens as an aid in control and prevention of reovirus-induced tenosynovitis (viral arthritis) in broilers, roasters and breeders, the company says. It is approved for spray administration at day of age or by drinking water to birds at one week of age or older. It is supplied in 10 times 1,000 and 1- times 5,000 dose units.