When the flush is complete the embryo filter is washed out into a small container. The vets then search for embryos looking through a microscope. The embryos are graded and put into straws and implanted into the recipient cow or frozen for later use. The difference between surgical and non - surgical transfers. Besides the fact of trauma on the recipient the surgical transfer places the embryo further up the uterine horn than non - surgical.
Surgical transfer requires a small cut in the cows flank on the side of the ovulation.
The uterus is pulled out and a small hole is made to the uterus. A small catheter is placed in through the hole and the embryo released. Non surgical is the same as A.I. A special gun is place up through the cow's vagina and pushed through the cervix. The embryo is placed in the side of the ovulation and released from the gun. Temperatures that embryos can be stored in.