A New Syringe for Semen Storage and Instrumental Insemination of Queen Honeybees

Abstract
Summary The new syringe described was designed for use in both semen storage and instrumental insemination. The Mackensen syringe tip was modified to accommodate a capillary storage in its base, and a syringe barrel with a screw-type plunger was devised for precise control of the movement of semen. The capillary tubes containing semen can be removed from the syringe and replaced without disturbing the column of semen, by equalizing the pressure in the barrel and in the storage tubes. The capillary tubes can be loaded with enough semen to inseminate several queens.

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