摘要
根据猪链球菌的荚膜多糖抗原可将其分为35个血清型,即1~34型和1/2型。猪链球菌可以在健康猪和病猪的扁桃体定居,亚临床症状的带菌猪是主要的感染源,部分血清型的菌株可在健康猪体内定居而不引起发病。给养猪业造成巨大经济损失,也是障碍我省猪业发展的主要传染病之一。
The capsular polysaccharlde of swine streptococcosis could be classified as 35 serotypes, namely the serum type 1 - 34 and 1/2. Swine streptococcus could reside in tonsil of healthy swine and infected swine, subclinical infected swine is the main source of infeetion, part of serotype bacteria could reside in swine and couldn't show symptoms. It caused great loss for the swine industry, and is the main disease of preventing the development of swine industry in China.
关键词
致病性
猪链球菌
研究内容
pathogenicity
swine streptococcus
research contents