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EnglishIn wild animals’ conservation programs, gamete banking is crucial to safeguard genetic resources of valuable individuals and rare species and to promote biodiversity preservation. In felids, most species are threatened with extinction, and domestic breeds are used as a model to increase the efficiency of protocols for germplasm banking. Among oocyte cryopreservation techniques, vitrification is more and more popular in human and veterinary assisted reproduction. Cryotop vitrification, which was at first developed for human oocytes and embryos, has demonstrated to be wellsuited for cat oocytes. This method offers several advantages, such as the feasibility in field conditions and the speed of the procedure, which can be helpful when several samples need to be processed. However, the efficiency is strongly dependent on the operator’s skills, and intra- and inter-laboratory standardization are needed, as well as personnel training. This protocol describes minimum volume vitrification of immature feline oocytes on a commercial support in a step by step field-friendly protocol, from oocyte collection to warming. Following the protocol, preservation of oocyte integrity and viability at warming (as high as 90%) can be expected, although there is still room for improvement in post-warming maturation and embryonic development outcomes.
Minimum Volume Vitrification of Immature Feline Oocytes / M. Colombo, G.C. Luvoni. - In: JOURNAL OF VISUALIZED EXPERIMENTS. - ISSN 1940-087X. - 2020:160(2020 Jun 24), pp. e61523.1-e61523.12.
| Titolo: | Minimum Volume Vitrification of Immature Feline Oocytes | |
| Autori: | LUVONI, GAIA CECILIA (Ultimo) | |
| Parole Chiave: | Cat; Banking; Cryopreservation; Cumulus-oocyte complex | |
| Settore Scientifico Disciplinare: | Settore VET/10 - Clinica Ostetrica e Ginecologia Veterinaria | |
| Progetto: | PIANO DI SOSTEGNO ALLA RICERCA 2015-2017 - LINEA 2 "DOTAZIONE ANNUALE PER ATTIVITA' ISTITUZIONALE" | |
| Data di pubblicazione: | 24-giu-2020 | |
| Rivista: | ||
| Tipologia: | Article (author) | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.3791/61523 | |
| Appare nelle tipologie: | 01 - Articolo su periodico |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Colombo & Luvoni, 2020. JoVE Cryotop vitri.pdf | Publisher's version/PDF | Embargo: 01/06/2022 Richiedi una copia |
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