METHOD FOR OBTAINING NATURAL BULL SEX PHEROMONES Russian patent published in 2023 - IPC A61K35/48 A61K35/52 A61K35/22 A61K38/22 A61K47/26 A61P5/24 A61P15/00 

FIELD: veterinary medicine.

SUBSTANCE: invention relates to methods for producing biologically active drugs to stimulate sexual function in female cattle. The claimed method consists in grinding the testicles of sexually mature bulls to a mince-like state, followed by homogenization to a homogeneous mass in the presence of TWEEN-80 polysorbate together with the tissues of the bladder wall, incubation of the resulting homogenizate at a temperature of 37–39°C for 50–60 minutes and adding the urine of mature bulls, distillation of the resulting homogenizate using a rotary evaporator; to obtain a preparation of bull sex pheromones in the form of a condensate, these components are used in the following ratio: testes 200–250 g, tissues of the bladder wall 200–250 g, TWEEN-80 0.15–0.20 ml, urine — up to 1 liter.

EFFECT: obtaining natural bovine sex pheromones with high biological activity, which can be used to stimulate reproductive function in female cattle.

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