This article briefly reviewed the outer membrane protein, capsule polysaccharide, lipopolysaccharide,bacterium hair,turn iron myrosinase-binding protein and enzymes and other ma-jor virulence factors of haemophilus parasuis.%本文主要对副猪嗜血杆菌的外膜蛋白、荚膜多糖、脂多糖、菌毛、转铁结合蛋白和酶类等主要毒力因子的相关研究进展进行了综述。
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