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| Item Type: | Article |
|---|---|
| Title: | In vitro fertilization program in white rhinoceros |
| Creators Name: | Hildebrandt, T.B. and Holtze, S. and Colleoni, S. and Hermes, R. and Stejskal, J. and Lekolool, I. and Ndereeh, D. and Omondi, P. and Kariuki, L. and Mijele, D. and Mutisya, S. and Ngulu, S. and Diecke, S. and Hayashi, K. and Lazzari, G. and de Mori, B. and Biasetti, P. and Quaggio, A. and Galli, C. and Goeritz, F. |
| Abstract: | The Anthropocene is marked by a dramatic biodiversity decline, particularly affecting the family Rhinocerotidae. Three of five extant species are listed as Critically Endangered (Sumatran, Javan, Black rhinoceros), one as Vulnerable (Indian rhinoceros), and only one white rhino (WR) subspecies, the Southern white rhinoceros (SWR), after more than a century of successful protection is currently classified as Near Threatened by the IUCN, while numbers again are declining. Conversely, in 2008, the SWR's northern counterpart and second WR subspecies, the Northern white rhinoceros (NWR), was declared extinct in the wild. Safeguarding these vanishing keystone species urgently requires new reproductive strategies. We here assess one such strategy, the novel in vitro fertilization program in SWR and - for the first time NWR - regarding health effects, donor-related, as well as procedural factors. Over the past 8 years, we performed 65 procedures in 22 white rhinoceros females (20 SWR and 2 NWR) comprising hormonal ovarian stimulation, ovum pick-up (OPU), in vitro oocyte maturation, fertilization, embryo culture, and blastocyst cryopreservation, at an efficiency of 1.0 ± 1.3 blastocysts per OPU, generating 22 NWR and 29 SWR blastocysts for the future generation of live offspring. |
| Keywords: | Assisted Reproductive Technology (ART), Conservation, Ovum Pick-Up, Northern White Rhino, Animals, Perissodactyla |
| Source: | Reproduction |
| ISSN: | 1470-1626 |
| Publisher: | Bio Scientifica |
| Volume: | 166 |
| Number: | 6 |
| Page Range: | 383-399 |
| Date: | 25 October 2023 |
| Official Publication: | https://doi.org/10.1530/REP-23-0087 |
| PubMed: | View item in PubMed |
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