“…B. bronchiseptica can predispose animals to other infectious agents or exacerbate disease symptoms. For example, B. bronchiseptica colonization leads to increased severity of canine parainfluenza virus 2 infections and predisposition of pigs and rabbits to subsequent Pasteurella multocida colonization (8,12,15). Infection of porcine tracheal rings with B. bronchiseptica has also been shown to enhance the adherence of P. multocida bacteria (13).…”