Changes

* Transvaginal Aspiration in the Mare:

* Transvaginal Aspiration in the Mare:

** Prior to the procedure, mares are injected with propatheline bromide (sedative) to relax the rectum.

** Prior to the procedure, mares are injected with propatheline bromide (sedative) to relax the [[Rectum_-_Anatomy_%26_Physiology|rectum]].

** Lubricated ultrasound transducer is inserted into the vagina and held in the fornix vagina.

** Lubricated ultrasound transducer is inserted into the vagina and held in the fornix vagina.

** Ovary transrectally positioned against the dorsal vaginal wall directly over the transducer head so that the follicle can be visualized.

** Ovary transrectally positioned against the dorsal vaginal wall directly over the transducer head so that the follicle can be visualized.

** Hypodermic needle is advanced through the vaginal wall into the antral follicle.

** Hypodermic needle is advanced through the vaginal wall into the antral follicle.

** Follicular fluid containing the oocyte is aspirated under constant vacuum.

** Follicular fluid containing the oocyte is aspirated under constant vacuum.