178 Fixed-time artificial insemination in virgin beef heifers using a seven-day progesterone-based protocol: gonadotrophin-releasing hormone versus oestradiol salts
| Autor: | L. B. Ferré, B. Aguirregabiria, N. Cerviño, R. Bello, M. Jensen, C. Fresno, M. E. Kjelland, M. Colazo |
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| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Reproduction, Fertility and Development. 35:216-217 |
| ISSN: | 1448-5990 1031-3613 |
| DOI: | 10.1071/rdv35n2ab178 |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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