The nucleotide sequence homologies of the prevalent virulent strain with China strain, with Brescia strain and with Alfort strain were 81.9%, 83.4% and 83.5% respectively.

• 结果表明 ；该猪瘟流行毒株的E2核苷酸序列与C株、Brescia株和Alfort株的E2核苷酸序列同源性分别为 81.；9%25、83