METHOD FOR SYNCHRONIZING REPRODUCTIVE CYCLE OF COWS Russian patent published in 2023 - IPC A61D19/00 

FIELD: agriculture.

SUBSTANCE: invention is a method for synchronizing the reproductive cycle of cows, including the “Presynch” synchronization scheme, where insemination of cows is carried out on the 64th day of the scheme, and subsequent insemination on the 75th day, on the 14th day “Estrumate” is given at a dose of 2.0 ml, repeated injections continue on days 28 and 42, on day 56 an injection of “Fertagil” is given in a dose of 2.5 ml, on day 62 only “Estrumate” is given in a dose of 2.0 ml, on the 64th day an injection with “Fertagil” is given immediately before insemination 15-20 minutes, while during synchronization according to the “Presynch” scheme, the immunostimulating drug “Aisidivit” is additionally administered at 10 mg/head per day on days 14, 28 and 42 after calving, and a one-time administration on the 62nd day after calving, a vitamin preparation with the microelement “Selemag” at the rate of 5 ml/100 kg of body weight.

EFFECT: invention allows you to increase the number of cows that go into heat, has a positive effect on the number of fruitful inseminations and reduces the insemination index.

1 cl, 3 tbl, 1 ex