| abstract |
The invention discloses a type A capsular polysaccharide vaccine of Pasteurella multocida and a preparation method thereof, belonging to the technical field of veterinary vaccines. The provided capsular polysaccharide vaccine is formulated from Pasteurella multocida capsular type A capsular polysaccharide and a vaccine adjuvant made from raw materials including refined Span-80 and refined Tween-80, the capsule The polysaccharide vaccine can effectively prevent and control bovine fibrinous suppurative pneumonia caused by type A Pm, and has good safety. It can be used to provide safe and effective protection for healthy susceptible calves, healthy pregnant cows and healthy dairy cows . |