Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 87, Issue -, Pages 287-289Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2016.02.075
Keywords
Sperm; Hyaluronic acid; Cryopreservation
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This study aimed to evaluate the effects of supplementing freezing and thawing media with hyaluronic acid (HA) on the quality parameters of frozen thawed boar spermatozoa. Boar semen samples were collected from seven mature Yorkshire boars once a week using the gloved hand technique; these samples were frozen thawed in the extender with added HA. Boar sperm was cryopreserved in the extender with HA added at concentrations of 0 (used as control), 4, 6, 8, 8 and 12 mg/L, and their effects on the quality of frozen thawed boar sperm were evaluated. HA addition to the extender significantly improved sperm motility, sperm membrane integrity, mitochondrial activity, acrosomal integrity, superoxide dismutase and catalase activity, but decreased sperm malondialdehyde level (p < 0.05). Therefore, HA could be a promising cryoprotectant for boar sperm. (C) 2016 Elsevier B.V. All rights reserved.
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