| Summary |
In tire rerrnt, many researchers have engaged in research of hog cholera thsne culture vaccine, Since April, 1969, the hog cholera OP live vaccine (develop by Sasahara et at 1968) has been widly applied for hog cholera ocaitol, and very good result both in the laboratory and field experiment keing obtaineu in 3an. For further Summary irnroverain of hog cholera vaccine, the OP stain was intcduced to Taiwan in March, 1969, and advanced study for applying the vaccine has been done since then. Two lot of OP vaccine were experimentally rnanufctuxed according to Seed-Lot-System, and employed for further studies under Dr. Shs irnizs dixeetion. The experimental result axe summari1 as follows
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