Journal
CRYOBIOLOGY
Volume 56, Issue 1, Pages 100-102Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.cryobiol.2007.10.176
Keywords
bull; spermatozoa; DNA fragmentation; comet assay
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In this study, we describe DNA fragmentation of fresh and cryopreserved bull spermatozoa using the comet assay. Cryopreservation caused a significant but low (3.8%) decrease in the percentage of DNA in the comet head and an increase (5.3%) in the tail length. Our results suggest that in addition to motility and viability, low levels of DNA fragmentation after cryopreservation is a characteristic of bull spermatozoa and can be a part of remarkable cryoresistance of bull spermatozoa. (c) 2007 Elsevier Inc. All rights reserved.
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