Evaluation of sperm chromatin structure in boar semen

Open access

Abstract

This study was an attempt to evaluate sperm chromatin structure in the semen of insemination boars. Preparations of semen were stained with acridine orange, aniline blue, and chromomycin A3. Abnormal protamination occurred more frequently in young individuals whose sexual development was not yet complete, but may also be an individual trait. This possibility is important to factor into the decision regarding further exploitation of insemination boars. Thus a precise assessment of abnormalities in the protamination process would seem to be expedient as a tool supplementing morphological and molecular evaluation of semen. Disruptions in nucleoprotein structure can be treated as indicators of the biological value of sperm cells.

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