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How to Collect Semen from Stallions While They Are Standing on the Ground
B.D. Forney and S.M. McDonnell
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1. Introduction
There are occasions in practice when we would like to collect semen from a stallion, yet it may be difficult or dangerous to allow the stallion to mount a mare or a dummy mount. Examples include disabled or injured stallions (with neurologic problems, hind end or back problems; after colic surgery; or with painful feet, back, neck, or knees), or in instances when an appropriate mount mare or dummy mount is not available. In this presentation, we will show two techniques for collecting semen from stallions while they remain standing on the ground. The first technique uses an artificial vagina (AV) and the second technique uses manual stimulation of the penis. The first technique may be a little easier to learn initially. The second may take a little more practice for the technician but has the advantage of requiring only a disposable nonspermicidal plastic bag to collect the sample. Each of these methods will be demonstrated using videotape.
2. Materials and Methods
Depending on the stallion’s libido, it may be easier to start the stallion by using an estrous mare as the stimulus. Either initially or once experienced, some stallions will achieve an erection in response to a pregnant, anestrous, or diestrous mare, particularly when presented at a distance. Some stallions quickly learn to respond without a mare, using conditioned stimuli such as estrous mare urine, a specific conditioned auditory cue, or other situational cues. When using a mare to stimulate arousal of the stallion for ground collection of semen, best results are achieved when the mare is positioned so that the stallion becomes adequately aroused, but not close enough to distract the stallion from thrusting on the ground or so close that the stallion tries to mount the mare. For ground collection the stallion needs to lower his head to balance himself during thrusting. […]
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About
Affiliation of the authors at the time of publication
Equine Behavior Laboratory, University of Pennsylvania School of Veterinary Medicine New Bolton Center, PA, USA.
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