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Archivos de Zootecnia

On-line version ISSN 1885-4494Print version ISSN 0004-0592


TAMARGO, C. et al. Endangered Gochu Astur-Celta germplasm bank. Arch. zootec. [online]. 2011, vol.60, n.231, pp.365-368. ISSN 1885-4494.

The use of sperm cryoconservation technique could help to the preservation of genetic material for long term. This work was carried out in order to develop preliminary studies regarding boar sperm cryopreservation in the autochthonous endagered pig breed Gochu Astur-Celta. The seminal doses obtained from ejaculates of these boars, were cryopreserved and then stored in liquid nitrogen. Semen analysis were carried out on every sample, and the parameters studied were: sperm motility, movement quality, normal apical ridge (NAR), morphology and functional membrane integrity (hyposmotic swelling test). The results showed that further studies are needed to improve the quality of frozen-thawed sperm to make this technique a useful tool in the field of biodiversity preservation.

Keywords : Local breeds; Boar; Spermatozoa; Cryopreservation.

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