FIELD: animal farming, in particular, cattle breeding. SUBSTANCE: method involves providing intramuscular introduction of prostaglandin F F2-α combined with gonadotropin, which are selectively injected one of mentioned days upon calving: 61st, 65th, 69th, 73rd, 77th, and inseminating during synchronized sexual heat period for 1-7 days upon injection of prostaglandin. Method is used in cattle selection, in particular, for ordered pairing aimed at producing herd sires, and provides production of 75.7% of young bulls in progeny. EFFECT: increased efficiency in regulating sex of progeny and simplified method. 1 tbl, 1 ex
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR PREVENTING COW ANAPHYLAXIA ON ADMINISTERING NATIVE SYNTHETIC FATTY ACID | 1995 |
|
RU2098104C1 |
METHOD OF PRODUCING EMBYOS IN HORNED CATTLE FEMALES | 0 |
|
SU1029960A1 |
METHOD FOR STIMULATING REPRODUCTIVE FUNCTION OF COWS | 1992 |
|
RU2038780C1 |
METHOD FOR SYNCHRONIZING ESTRUS IN HIGHLY PRODUCTIVE COWS | 2022 |
|
RU2795159C1 |
METHOD OF PRODUCING EMBRYO OF HORNED CATTLE FOR TRANSPLANTATION | 0 |
|
SU1009366A1 |
METHOD TO TREAT ENDOMETRITIS IN COWS | 1995 |
|
RU2113847C1 |
METHOD OF TIMING THE SEXUAL URGE OF FEMALE DOMESTIC ANIMALS | 0 |
|
SU676284A1 |
METHOD OF ANIMAL SELECTION FOR CROSSING | 1994 |
|
RU2061367C1 |
METHOD TO OBTAIN TRANSPLANT CALVES OF DIFFERENT GENOTYPES ACCORDING TO MALE'S LINE FROM DONOR COWS OF EMBRYOS | 1996 |
|
RU2112368C1 |
METHOD FOR PREVENTION OF EARLY CATTLE EMBRYONIC MORTALITY | 2010 |
|
RU2452502C1 |
Authors
Dates
1999-02-27—Published
1996-03-13—Filed