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Feline panleukopenia vaccine

阅读:990发布:2022-02-02

专利汇可以提供Feline panleukopenia vaccine专利检索,专利查询,专利分析的服务。并且The attenuation of virulent strains of feline panleukopenia (FPL) viruses on ferret tissue and production of feline distemper (panleukopenia) vaccine on ferret tissue.,下面是Feline panleukopenia vaccine专利的具体信息内容。

1. IN THE PROCESS OF PRODUCING ATTENUATED FELINE PANTEUKOPENIA VACCINE, THE IMPROVEMENT REDUCING THE POSSIBILITY OF CONTAMINATION WITH OTHER FELINE VIRUSES WHICH COMPRISES CULTURING AN ATTENUATED PANLEUKOPENIA SEED VIRUS ON FERRET CELL SUSPENSION TISSUE CULTURE.
2. The process of claim 1, wherein said panelukopenia seed virus was attenuated by serial passages through feline tissue and ferret tissue, and virus from a serial passage through feline tissue was added to a cell suspension of ferret tissue.
3. The process of claim 2, wherein said panleukopenia seed virus was passed through a single passage through feline kidney tissue after the virus was attenuated through a cell suspension of ferret tissue.
4. In the process of producing an attenuated panleukopenia seed virus, the improvement which comprises providing a suspension of ferret cells and a virulent strain of panleukopenia virus and culturing on said suspended ferret cells said panleukopenia virus.
5. The process of claim 4, wherein said panleukopenia seed virus is attenuated on feline tissue to acclimate same and then serially passaged through a cell suspension of ferret tissue.
6. The process of claim 5, wherein the attenuated panleukopenia seed virus is passed further on feline tissue after serial passage through a cell suspension of ferret tissue.
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