Streptococcus suis is an important pathogen of swine.The typing is difficult becase of many S.suis serotypes.Lancefield method,capsular polysaccharide,haemolyticus,biochemical test and other methods have been used for tying Triditionally.Recently,a new idea has been brought in due to the development of molecular biology technology.This paper gave a review to S.suis genotyping by molecular biology method,including multilocus sequence typing,Pulsed-Field gel electrophoresis,amplified fragment length polymorphism,random amplified polymorphic DNA,restriction fragment length polymorphism,ribotyping...
