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US 5,750,101 AGranted
Ovo immunization of avian embryos with oil-emulsion vaccines
AssigneeThe United States of America as represented by the Secretary of Agriculture
InventorHenry D. Stone
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Abstract
Avian diseases, particularly those which threaten birds early in life, are controlled by embryonal vaccination using oil emulsion vaccines. The site of inoculation is the albumin end of the egg via entry through the air cell end of the egg.
Claims16
A method for immunizing avian embryos comprising
- puncturing an egg containing said avian embryo with a puncturing means at the longitudinal midline over the egg's air cell in order to administer an oil emulsion vaccine in said egg's albumin end,
- injecting said vaccine into the egg by vertically inserting a needle means through said air cell to the albumin end,
- administering said vaccine into the albumin end of the egg, and
- hatching said egg to obtain an immunized avian species.
1 more element
Dependencies are inferred from the claim text.