Electrostimulation sperm collection

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Added: 17.01.2021
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Last Updated: December 16, References. This article was co-authored by Karin Lindquist, a trusted member of wikiHow's community. She has over 20 years of experience working with cattle and crops. She's worked for a mixed-practice veterinarian, as a sales representative in a farm supply store, and as a research assistant doing rangeland, soil, and crop research. She currently works as a forage and beef agriculture extension specialist, advising farmers on a variety of issues relating to their cattle and the forages they grow and harvest.
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Initiation of erection and semen release by rectal probe electrostimulation (RPE)

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Artificial vagina - Wikipedia

Whether or not a man is fertile depends largely on his sperm production. This is controlled and regulated hormonally, but not all problems can be blamed on hormonal imbalance. Sometimes psychological factors are the reason, or else an obstruction somewhere along the sperm's journey both in the man's and woman's body. See also the sperm quality for the requirements a sperm sample needs to meet for 'normal' fertility. In this last procedure a man may require some form of procedure specifically aimed at collecting sperm. In some men, the ejaculated semen contains no or insufficient numbers of motile sperm.
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Artificial vagina

However, there is no exact threshold under which sperm values can be considered abnormal. Normal values for sperm morphology depend on the classification method Chia, Hum Rep , There is a large fluctuation of sperm values depending on the duration of abstinence, the conditions of sperm collection and the season and possibly also the time of the day Cagnacci, Hum Rep ,
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In the method of semen collection now in general use an artificial vagina is employed in association witha teaser animal, usually a female. Unfortunately this technique is diflicult under the most favorable conditions. Further it requires mounting of the teaser animal, which is impossible in the case of bulls which have developed certain pathological conditions in their joints, legs or feet. Moreover, not only is it diflicult and time consuming to clean and sterilize the apparatus but an accidental chance service with the female animal could infect a valuable male with Vibrio fetus or trichomoniasis.
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