Animal husbandry – Avian egg treatment or production
Patent
1996-10-02
1997-12-23
Price, Thomas
Animal husbandry
Avian egg treatment or production
A01K 4300
Patent
active
056997515
ABSTRACT:
A method of introducing a beneficial material into the allantois of an avian egg through the shell thereof comprises the steps of orienting the egg to maximize a target area of the allantoic sac and directing the injection device through the shell and into the target area. The egg may be oriented with a major axis at an angle from about 10 to 45 degrees from vertical thereby causing the allantois to pool and the allantoic sac to expand immediately below the air sac on the downward side of the egg with injection occurring vertically downward through the air sac or from an angle below the air sac. Alternatively, the egg may be vertically inverted with the large end of the egg in the bottom position thereby causing the allantois to pool immediately above the air sac with injection occurring upwardly through the air sac or laterally between the air sac and the amnion. The beneficial material may be an anti-bacteria, anti-viral, anti-microbial, vaccine, growth hormone or the like.
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Alexis L. Romanoff, The Avian Embryo Structural and Functional Development, North Carolina State University.
Bryan Thomas E.
Phelps Patricia V.
Embrex Inc.
Price Thomas
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