Method of sorting birds in ovo

G - Physics – 01 – N

Patent

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Details

G01N 33/74 (2006.01) A01K 67/00 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2264714

A method of determining the gender of a bird in ovo comprises detecting the presence or absence of an elevated level of a sex-related hormone in the extra-embryonic fluid of the bird egg, and then determining the gender of the bird within the egg from the presence of an elevated level of a sex-related hormone therein. Preferably, the sex- related hormone is an estrogen. Further preferred are methods in which the extra-embryonic fluid is allantoic fluid. The method is preferably carried out on chicken eggs prior to or during transfer of the eggs from incubator to hatcher.

L'invention concerne un procédé servant à déterminer le sexe d'un volatile in ovo, qui consiste à détecter la présence ou l'absence d'un niveau élevé d'une hormone sexuelle dans le fluide extraembryonnaire d'un oeuf, puis à déterminer le sexe du volatile présent dans l'oeuf en le déduisant de la présence d'un niveau élevé d'une hormone sexuelle qui est contenue dans ledit oeuf. L'hormone sexuelle est de préférence un oestrogène. Le procédé est appliqué de préférence lorsque le fluide extraembryonnaire est un fluide allantoïdien. Le procédé est de préférence appliqué à des oeufs de poule avant ou pendant le transfert des oeufs de l'incubateur à l'éclosoir.

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