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Effect of the Type of Straw on the Spermatic Quality in the Freezing of Boar Semen

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Author(s): A. C?rdova-Izquierdo | M.S. C?rdova-Jim?nez | C.A. C?rdova-Jim?nez | J.E. Guerra-Liera

Journal: Journal of Animal and Veterinary Advances
ISSN 1680-5593

Volume: 5;
Issue: 5;
Start page: 415;
Date: 2006;
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Keywords: Freezing boar semen | seminal quality | spernmatic motility | acrosome damage | straws types

ABSTRACT
With the freezing boar semen, could have better options for the optimization of the reproductive handling in the swinish species as well as an alternative for the development of this cattle activity; using technologies like the implementation of banks of frozen of races with characteristic zootechnic of economic importance that guarantee the readiness of germinal material in the moment that is required, to have germinal material of males proven genetically, still when the animal no longer exists, to overcome certain intentional restrictions of transport of alive animals, for the problem of transmission of illnesses and, to overcome the restrictive of time of viability of the diluted fresh semen. In this work was examined the effect of the freezing boar semen in straws plastic of 0.5 and 5 mL on the Motility and the Acrosome Integrity (NAR). For it, 9 were used ejaculated of different animals, the experiment was carried out comparing fresh semen with thawing semen coming from straws of 0.5 and 5 mL. The results of percentages of motility and NAR for fresh and thawing semen, were of 86.19, 47.14 and 47.14, for straws of 0.5 mL and 75.62, 48.19 and 46.81, for straws of 5 mL. When carrying out the analysis of the variance and the test of multiple comparisons it was found that the freezing of the semen in both straws types, the percentages of motility and NAR reduce, with regard to the fresh semen; however, the macrotubes or straws of 5 mL, represent a good option in the artificial insemination using boar semen frozen-thawing.
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