Method for obtaining bovine zygotes produced in vivo

Ellington, J.E.; Farrell, P.B.; Simkin, M.E.; Foote, R.H.

Method for obtaining bovine zygotes produced in vivo

1990

Ellington, J.E. | Farrell, P.B. | Simkin, M.E. | Foote, R.H.

A superovulatory and surgical protocol was developed for recovery of bovine zygotes. Holstein cows and heifers were given follicle-stimulating hormone and cloprostenol to induce superovulation. Surgical cannulation and lavage of the uterine tube was performed 40 to 48 hours after the start of standing estrus. In general, cows had more corpora hemorrhagica than did heifers, but a higher percentage (P < 0.05) of ova recovered from cows were infertile. Several heifers were subjected to the procedure twice, and embryo recovery rates were equivalent both times.

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Mots clés AGROVOC

animals cattle dairy cows embryo transfer embryo transfer estrus follicle stimulating hormone heifers methods pharmacology physiology pregnancy recovery superovulation superovulation viability zygote zygote

Informations bibliographiques

Publié dans

American journal of veterinary research

Volume 51 Numéro 11 Pagination 1708-1710 - 1710 ISSN 0002-9645

Editeur

American Chemical Society

D'autres materias

Cloprostenol; Cloprostenol; Therapeutic irrigation; Corpora hemorrhagica; Veterinary; Ovulation induction; Cannulation; Catheterization; Female; Age factors; Follicle-stimulating hormone

Langue

anglais

Type

Journal Article; Text

Sur AGRIS depuis: 2024-02-29

Format: MODS

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