Technique brought to Brazil for the professor Marco Antonio Alvarenga (UNESP-Botucatú) and that is revolutionizing the frozen semen use.

In this technique, the semen is guided, with the support it of an endoscope device, until the bottom of uterine cornu situated in the same side of the ovulation and deposited in a structure called Papila Tubárica that works as a semen store.

This way, we can reduce the quantity of used semen, improve the results obtained with the frozen semen, besides optimize the utilization of the high value genetic material.