VGO 511: Veterinary Andrology and Reproductive Techniques (1+1)

INTRODUCTION

• The early storage of frozen semen was done with glass ampoules in USA. Japanese scientist later developed the freezing semen in pellet form.
• French, Danish and German workers workers developed the straw technique of frozen semen storage.
• Apart from these techniques, the frozen semen was stored in pipettes, bulk forms, sausages, gelatin capsules but they have not become popular because they are not economically feasible and the fertility has been poor.