Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 428933
Title Breeding or Assisted Reproduction? Relevance of the Horse Model Applied to the Conservation of Endangered Equids
Author(s) Smits, K.; Hoogewijs, M.; Woelders, H.; Daels, P.; Soom, A. van
Source Reproduction in Domestic Animals 47 (2012)s4. - ISSN 0936-6768 - p. 239 - 248.
Department(s) LR - Animal Breeding & Genomics
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) cell nuclear transfer - epididymal stallion sperm - treated donor cells - in-vitro production - intracytoplasmic injection - artificial-insemination - blastocyst development - embryo-transfer - oocytes - cryopreservation
Abstract Many wild equids are at present endangered in the wild. Concurrently, increased mechanization has pushed back the numbers of some old native horse breeds to levels that are no longer compatible with survival of the breed. Strong concerns arose in the last decade to preserve animal biodiversity, including that of rare horse breeds. Genome Resource Banking refers to the cryostorage of genetic material and is an approach for ex situ conservation, which should be applied in combination with in situ conservation programmes. In this review, we propose that, owing to the great reproductive similarity among the different members of the genus Equus, the domestic horse can be used to optimize cryopreservation and embryo production protocols for future application in wild equids. We will give this hypothesis a scientific underpinning by listing successful applications of epididymal sperm freezing, embryo freezing, intracytoplasmic sperm injection, oocyte vitrification and somatic cell nuclear transfer in domestic horses. Some ART fertilization methods may be performed with semen of very low quality or with oocytes obtained after the death of the mare.
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