A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/565 (2006.01) A01K 67/00 (2006.01) A61K 31/395 (2006.01) A61K 31/44 (2006.01) A61K 38/22 (2006.01) C07K 14/575 (2006.01)
Patent
CA 2067014
JLT24Y 18385Y TITLE OF THE INVENTION USE OF ANTI-MULLERIAN HORMONE ALONE OR IN COMBINATION WITH AROMATASE INHIBITORS FOR REVERSAL OF FEMALE SEXUAL PHENOTYPE IN POULTRY ABSTRACT OF THE INVENTION Fertilized poultry embryos are treated with fowl anti- mullerian hormone which may function as an aromatase inhibitor and may also have a trophic effect on developing gonads. Fertilized poultry embryos are also treated with steroid biosynthesis inhibitors or antagonists which prevents the conversion of androgens to estrogens, and anti-mullerian hormone (AMH). By blocking the production of estrogens and enhancing the gonads the genotypic female is converted into a phenotypic male. The phenotypic conversion of females to males gives the treated birds the advantage of male growth characteristics. A single administration of the combination prior to about day 9 of embryonic incubation results in an irreversible change in sexual phenotype which results in enhanced weight gain and feed efficiency.
Elbrecht Alex
Smith Roy G.
Elbrecht Alex
Gowling Lafleur Henderson Llp
Merck & Co. Inc.
Smith Roy G.
LandOfFree
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