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DILUTION AND SHORT-TERM STORAGE OF COCK SPERMATOZOA BY INHIBITION OF MOTILITY WITH FRUCTOSE AT AMBIENT TEMPERATURE

Mohan, J.    (Central Avian Research Institute   ); Moudgal, R.P.    (Division of Physiology and Reproduction, Central Avian Research Institute  );
  • 초록

    A simplified dilutor for cock spermatozoa at ambient temperature was achieved by adjusting the 5% concentration of fructose in isotonic saline. Motility of cock spermatozoa was arrested completely for maximum 6 hrs without affection the survivability of spermatozoa by employing this sugar. To study the effect of high concentration of fructose on fertility, sperm were inseminated with or without fructose at different hrs. Fructose from semen samples was removed by centrifugation. High fertility obtained in the hens inseminated with fructose free sperm (washed). In addition, washed sperm maintained the 85.00% fertility for 6 hrs in winter season ( $17-21^{\circ}C$ ) and 82.67% fertility for 3 hrs in summer season ( $31-35^{\circ}C$ ). Whereas control groups showed 47.33 and 25.33% fertility in winter and summer season respectively. No significant difference was found in percent motility and live counts between the control and washed experimental groups during winter season. However, these measures differed significantly in summer. Washing of cock spermatozoa more than once, high speed centrifugation and more duration for centrifugation proved harmful to fertility. It may be concluded that fructose (5%) can be used as a motility or metabolic inhibitor of spermatozoa for short-term storage of cock semen at ambient temperatures.


  • 주제어

    Cock .   Spermatozoa .   Dilutor .   Fructose .   Storage .   Fertility.  

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