Egg inoculation device and method of using same

• US 4,928,628 A
• Filed: 06/13/1988
• Issued: 05/29/1990
• Est. Priority Date: 06/13/1988
• Status: Expired due to Fees

• Current Assignee: Iowa State University Research Foundation Incorporated (Iowa State University)
• Original Assignee: Iowa State University Research Foundation Incorporated (Iowa State University)
• Inventors: Larson, David J., Gassman, Max P., Trampel, Darrell W.
• Primary Examiner(s): Swiatek, Robert P.
• Application Number:
  US07/205,950
• Time in Patent Office: 715 Days
• Field of Search: 119/1, 211/14, 426/300
• US Class Current: 119/6.8
• CPC Class Codes: A01K 43/005 Cleaning, washing of eggs
• CPC Class Codes: A01K 45/007 Injecting or otherwise treating hatching eggs
• CPC Class Codes: A61D 1/025 Vaccination appliances hypodermic syringes A61M

Abstract

A device is shown for inoculating eggs where the egg is supported from movement, and inoculant fluid is forced at positive pressure into an inoculant chamber abutting one end of the egg, where the fluid is forced through the pores of the shell to the interior of the egg, without causing damage to the shell.

Claims

1. An apparatus for inoculating soluble materials into an egg having a shell, a smaller end and a larger end, comprising:

a support means for holding said egg against movement;

means for supplying said soluble materials to the surface of said egg at positive pore-penetrating pressure including a transport means having two open ends and a hollow center for carrying said soluble materials to said egg, one of said ends of said transport means abutting one of said ends of said egg.

2. The apparatus of claim 1 wherein said transport means also supports one end of said egg.

3. The apparatus of claim 1 wherein said transport means supports said larger end of said egg.

4. The apparatus of claim 1 further comprising pressure means for supplying said soluble materials to said hollow center of said transport means and to one of said ends of said egg at a pore-penetrating pressure so that said materials penetrate into said egg while allowing said shell to remain intact.

5. The apparatus of claim 4 wherein said pressure means supplies said soluble materials to the surface of said egg at approximately 2 ppsi to 5 ppsi.

6. The apparatus of claim 5 wherein said pressure means supplies said soluble materials to the surface of said egg at approximately 5 ppsi.

7. The apparatus of claim 4 wherein said pressure means is a pump.

8. The apparatus of claim 7 wherein said pump forces said materials into a hose connected to said transport means.

9. The apparatus of claim 8 wherein said transport means is a hollow plastic cylinder.

10. The apparatus of claim 9 wherein said sealing means is an O-ring of a size and shape to accommodate one of said ends of said egg while also sealing one of said ends of saids transport means.

11. The apparatus of claim 1 further comprising a sealing means on the end of said transport means which abuts one end of said egg;

said sealing means preventing said soluble materials from escaping from said transport means.

12. The method of inoculating an egg having an enclosed shell with at least a portion of the cuticle removed from the shell comprising,

holding the egg against movement,

placing a fluid inoculation means against the shell of the egg when the cuticle is removed,

sealing said fluid inoculation means to said shell to prevent the leakage of fluid from said fluid inoculation means to the exterior of said egg,

supplying inoculation fluid to said fluid inoculation means under sufficient pressure to cause said inoculation fluid to penetrate the pores of said shell within the confines of the connection between said egg and said fluid inoculation means, whereby the fluid inoculation means enters the interior of said shell.

13. The method of claim 12 wherein said egg is confined by exerting pressure against said shell in a direction and at least a position substantially opposite to said position of said fluid inoculation means.

14. The method of claim 12 wherein said inoculant fluid is supplied to said fluid inoculation means at a pressure of approximately two pounds per square inch to five pounds per square inch.

15. The method of claim 12 wherein said pressure is supplied by a pump.

16. The method of claim 12 wherein an O-ring is provided to seal and support said egg where said cuticle has been removed.