Bull ejaculation for sperm collection

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Wild or domesticated, sex is rampant in the animal world. But sometimes animals can't do it, don't want to, or there just aren't enough of them left to guarantee survival of the species. Collecting semen and the sperm cells it contains is common practice with livestock. And semen from a first-rate bull or show dog fetches a high price from breeders aiming to breed top-quality animals. Gathering the goods is done by employing female decoys, an electric device, or an even less romantic process that gets the scientists highly involved.
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Bull Pricing

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Semen Collection

A large majority of dairy cows in the US, Canada and European countries are artificially inseminated. Artificial insemination of beef cows is also popular, particularly in purebred herds. The advantage of AI over natural service is that it facilitates rapid genetic improvement by allowing use of only the top bulls. Some bulls have sired more than , offspring via AI. Semen is most commonly collected from bulls in bull studs using an artificial vagina , as described below.
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Manual collection and characterization of semen from Asian elephants (Elephas maximus)

Knowledge of the capabilities and limitations of the reproductive capacity of bulls is vital in maximizing reproductive efficiencies. Bull semen collection guidelines established by researchers and industry personnel to maximize the sperm harvest from bulls have been evolving for more than 60 years. Today, a mature artificial insemination industry employs those strategies to meet demands.
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Semen collection refers to the process of obtaining semen from human males or other animals with the use of various methods, for the purposes of artificial insemination , or medical study usually in fertility clinics. Semen can be collected via masturbation [1] e. The best specimen is produced when a short period of 3—5 days of abstinence is observed.
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