| Summary |
1 .Hog cholera virus (AU) stain) obin by ssage of ST-cell culture has the same ]mmune pcAency as virus blood
2.The immune sen preparerl by using hog cholera tissue culture antigen and virus bkxDd had the same, effleciency when cerformed the sirnulneous in.tction, and on difference was found when in cool-room for a year.
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