Authors
Felipe Martinez-Pastor, Vanesa Garcia-Macias, Mercedes Alvarez, Cesar Chamorro, Paz Herraez, Paulino de Paz, Luis Anel
Publication date
2006/2/1
Journal
Theriogenology
Volume
65
Issue
3
Pages
471-485
Publisher
Elsevier
Description
We have compared two methods for salvaging epididymal sperm from post-mortem samples from Iberian red deer. Of each pair of testicles (29 samples), one cauda epididymis was processed by means of cuts (sperm was immediately diluted with extender) and the other was detached from the corpus and flushed from the vas deferens with 1mL of extender. Sperm was processed for cryopreservation, and analyzed just after recovery, pre-freezing and post-thawing. Total spermatozoa recovered, contamination (concentration of epididymal cells and red blood cells (RBCs)) and quality (motility by CASA, and acrosomal status, viability and mitochondrial status by flow cytometry) were used to compare both methods. The number of recovered spermatozoa was similar for both methods. Contamination was higher for the cuts method, but when considering the final dilution before freezing, only RBCs concentration was …
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