Sheep pregnancy checking by ultrasonic sound (1993)

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Date
1993
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Abstract
Ultrasonic sound waves of about 2 million cycles per second can pass through living tissue. Used to determine sheep pregnancy, these sound waves are painless and have no harmful after-effects to the ewe or fetus.
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http://hdl.handle.net/10355/5213
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Archive version. For the most recent information see extension.missouri.edu.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
Provided for historical documentation only. Check Missouri Extension and Agricultural Experiment Station websites for current information.
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