vaccine, use of live attenuated bacteria, method to protect a ruminant against pneumonia, and live, attenuated bacteria

摘要

1/1 summary "vaccine, use of live attenuated bacteria, method to protect a ruminant against pneumonia, and live, attenuated bacteria" The present invention relates to a vaccine for administration To the upper respiratory tract of a ruminant to protect said ruminant against pneumonia caused by mannheimia haemolytica, the vaccine comprising in combination live attenuated bacteria mannheimia haemolytica, live attenuated parainfluenza-3 viruses and attenuated respiratory syncytial virus in which the vaccine is for administration to the upper respiratory tract of the ruminant by intranasal spraying of the vaccine.