Duck virus hepatitis tissue inactivated vaccine and preparation method thereof
The invention relates to a duck virus hepatitis tissue inactivated vaccine and a preparation method thereof. The preparation method includes: collecting the livers of naturally infected duck virus hepatitis cases or artificially infected non-immunized ducks after attack, conducting emulsification, t...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention relates to a duck virus hepatitis tissue inactivated vaccine and a preparation method thereof. The preparation method includes: collecting the livers of naturally infected duck virus hepatitis cases or artificially infected non-immunized ducks after attack, conducting emulsification, then adding Astragalus and Angelica sinensis extracted liquid, propolis tincture and other immunopotentiators to prepare an enhanced duck virus hepatitis antigen, and immunizing egg-laying breed ducks to produce anti-duck virus hepatitis yolk antibody. |
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