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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sendag, Sait Cetin, Yunus Alan, Muhammet Hadeler, Klaus-Gerd Niemann, Heiner |
| Description | Country affiliation: Turkey Author Affiliation: Sendag S ( Department of Obstetrics and Gynaecology, Faculty of Veterinary Medicine, University of Yuzuncu Yil, 65080 Kampus Van, Turkey.) |
| Abstract | The goal of the present study was to compare the ovarian response, oocyte yields per animal, and the morphological quality of oocytes collected by ultrasound guided follicular aspiration from Holstein cows treated either with FSH or eCG. Twenty four normal cyclic, German Holstein cows were randomly divided into two groups. Fourteen cows received 3000 IU eCG on day-4 prior to ovum pick-up (OPU) (day 0), 2 days later (day-2), 625 microg cloprostenol was administered. On day-1 GnRH was administered i.m. and 24h later OPU (day 0) was performed. In ten cows a total dose of 500 IU follicle stimulating hormone (Pluset) was administered intramuscularly in a constant dosage for 4 days with intervals of 12h, starting on day-5. Luteolysis was induced by application of 625 microg cloprostenol on day-2. On day-1 (24h after the last FSH treatment) GnRH was administered i.m. and 24h later OPU (day 0) was performed. Ovarian follicles were visualized on the ultrasound monitor, counted and recorded. All visible antral follicles were punctured. Recovered oocytes were graded morphologically based on the cumulus investment. Average follicle number in ovaries was higher in FSH group than eCG group (p<0.05). Oocyte yields per animal did not differ between FSH and eCG groups. The proportion of grade A oocytes was higher in the FSH group in the than eCG group (p<0.05). Likewise, rate of grade C oocytes in FSH group were lower than eCG group (p<0.05). In conclusion, these results suggest that ovarian response, follicle number in ovaries and oocyte quality are affected by the type of gonadotropin and FSH is better alternative than eCG for OPU treatment. |
| File Format | HTM / HTML |
| ISSN | 03784320 |
| Issue Number | 1-2 |
| Volume Number | 106 |
| e-ISSN | 18732232 |
| Journal | Animal Reproduction Science |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-06-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Animal science Discipline Reproductive Medicine Discipline Veterinary Medicine Discipline Zoology Follicle Stimulating Hormone Pharmacology Gonadotropins, Equine Oocyte Retrieval Ovary Drug Effects Ovum Cytology Animals Cattle Cell Count Cumulus Cells Physiology Female Methods Veterinary Ovulation Induction Quality Control Comparative Study Evaluation Studies Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Animal Science and Zoology Endocrinology Food Animals |
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