Reproductive and Developmental Biology

The Korean Society of Animal Reproduction (한국동물번식학회)
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Establishment of Optimal Conditions for the Hypoosmotic Swelling Test to Evaluate the Integrity of Spermatozoal Plasma Membrane in Dog

  • Jang Hyun-Yong (College of Animal Life Sciences, Kangwon National University) ;
  • Jung Yoo-Sung (College of Animal Life Sciences, Kangwon National University) ;
  • Kim Jong-Taek (School of Veterinary Medicine, Kangwon National University) ;
  • Park Chun-Keun (College of Animal Life Sciences, Kangwon National University) ;
  • Cheong Hee-Tae (School of Veterinary Medicine, Kangwon National University) ;
  • Kim Choung-Ik (College of Animal Life Sciences, Kangwon National University) ;
  • Yang Hoo-Keun (College of Animal Life Sciences, Kangwon National University)
  • Published : 2006.03.01
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Abstract

Hypoosmotic swelling test (HOST) is used for evaluating the plasma membrane function and fertilizing ability in mammal spermatozoa. However, HOS solutions and experimental conditions have not been determined clearly for assessing canine spermatozoa. This study was conducted to examine the HOS solutions and assay conditions, including incubation time (30 to 120 min), storage temperature (4, 17 and $20^{\circ}C$), semen status (fresh and frozen). Maximum spermatozoal plasma membrane swelling was obtained in an 150 mOsm Na-citrate/Fructose solutions with an incubation time for 45 min. The storage temperature and semen status affected the percentage of HOS positive spermatozoa. The HOS test adapted to canine spermatozoa in this study was simple and highly consistent assay with good repeatability. The optimal condition of HOST in canine spermatozoa is an 150 mOsm Na-citrate/Fructose solutions with an incubation time for 45 min regardless of semen storage temperature and semen status.

Keywords

References

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