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Archivos de Zootecnia
On-line version ISSN 1885-4494Print version ISSN 0004-0592
Abstract
TORRES, P. et al. Analysis of commercial extenders for porcine semen refrigerated for 4 days: preliminary results. Arch. zootec. [online]. 2014, vol.63, n.243, pp.547-550. ISSN 1885-4494. https://dx.doi.org/10.4321/S0004-05922014000300015.
The use of cold preserved semen is still a limiting factor in artificial insemination, because of the random response of boar semen to temperatures below 16 oC, even between ejaculates from the same male. The aim of this work was to analyze and rank three commercial (long and medium term) boar semen extenders (Androstar Plus®, MRA® y MIII®), based on their capability to preserve refrigerated semen for four days analyzing: viability, membrane functionality acrosome integrity and motility. Eleven ejaculates were assessed. There were not differences (p>0.05) between extenders for any of the parameters studied, evidencing a similar preservation capability in a four-day period.
Keywords : Artificial insemination.