Furthermore,43 isolates could be agglutinated by the Lancefield group A-G latex diagnostic kit.The positive samples were 23,18,1 and 1 strains for group D,C,B and A respectively.

• 用国际通用的链球菌A-G乳胶分型诊断液检测48株分离菌；结果表明；猪源链球菌血清群以兰氏D群为主；占47.；9%25(23/48)；其次为C群；占37