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REVIEW
Year : 2017  |  Volume : 6  |  Issue : 3  |  Page : 97-103

Laser irradiation effects and its possible mechanisms of action on spermatozoa functions in domestic animals


1 Artificial Breeding Research Centre, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
2 Livestock Research Centre, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India

Correspondence Address:
S A Lone
Scholar Animal Reproduction Gynaecology and Obstetrics, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.12980/apjr.6.20170301

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This article presents a review pertains the laser irradiation effects and its possible mechanisms of action on spermatozoa functions in domestic animals. To improve artificial insemination, laser is sensitive and cost effective technique, when compared to other conventional methods. Laser may have both positive and negative effects on spermatozoa functions. Since the effects of light are mediated by reactive oxygen species, and the levels of these reactive oxygen species following irradiating spermatozoa with laser may be responsible for determining the effects of laser on sperm. Dose of laser may be regarded as of great significance and this dosage of laser may be responsible for determining its effects on spermatozoa. Optimum dosage of laser for improving seminal attributes may vary among various species and this need to be standardized in each of them. The beneficial effects include improving sperm livability, acrosomal integrity, hypo-osmotic swelling response, mitochondrial function and computer-aided sperm analysis parameters. The increase in cytochrome c oxidase activity, ATP levels and mitochondrial membrane potential, in laser irradiated cells may be responsible for enhanced sperm quality parameters. Improving fertility with laser irradiated spermatozoa has been reported in few species like boar and need to be elaborated in other species. In conclusion laser may be regarded as an easy, cheap and time saving technology for improving artificial insemination; in addition, laser may have various potential applications in the field of reproductive biotechnology as well as in livestock farms and veterinary polyclinics.


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