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AssigneeInsigna Inc.
InventorsCheMyong Ko, ChanJin Park, Po-Ching Patrick Lin, Rex Allen Hess, Suzanne Rene Broussard, Sherry Qi Zhou
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Embodiments of the present invention provide a pharmaceutical intervention in the neonatal pig that inhibits and delays development and activation of the HPG axis, growth of the boar testis and inhibits testicular production of testosterone and androstenone, which prevents the development of aggressive behavior in the maturing boars and the presence of boar taint in the meat. The invention comprises treatment with a combination of an androgen and an estrogen in the newborn male piglet using extended drug delivery methods, with a defined duration of no more than 12 weeks, for the purpose of inhibiting the production of testosterone and androstenone and the accumulation of the boar taint-inducing molecules androstenone and skatole in the fat.
A method to inhibit boar taint in a pig comprising injecting in said pig a combination of an estrogen and an androgen neonatally in a dose sufficient to inhibit said boar taint until the pig is slaughtered, wherein the estrogen and androgen are in an implant, wherein the dose is sufficient to inhibit androstenone accumulation in fat which prevents boar taint development in cooked pork.
A method to inhibit aggression in a male pig comprising injecting in said pig a combination of an estrogen and an androgen neonatally in a dose sufficient to inhibit said aggression until the pig is slaughtered, wherein the estrogen and androgen are in an implant.
A method to improve the ratio of loin eye area and fat thickness in a pig comprising injecting in said pig a combination of an estrogen and an androgen neonatally in a dose sufficient to improve the ratio of loin eye area and fat thickness in the pig when the pigs are slaughtered, wherein the estrogen and androgen are in an implant.
A method to improve the yield in meat production in a pig comprising injecting in said pig a combination of an estrogen and an androgen neonatally in a dose sufficient to improve the yield in meat production when the pig is slaughtered as compared to a castrated pig, wherein the estrogen and androgen are in an implant.
Dependencies are inferred from the claim text.