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    Preservation of Bull Semen at Sub-Zero Temperatures
    Preservation of Bull Semen at Sub-Zero Temperatures
    Preservation of Bull Semen at Sub-Zero Temperatures
    Ebook88 pages51 minutes

    Preservation of Bull Semen at Sub-Zero Temperatures

    By M. E. Friedman, W. C. Kinney, W. J. Miller and

    ()

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    LanguageEnglish
    PublisherArchive Classics
    Release dateNov 26, 2013
    Preservation of Bull Semen at Sub-Zero Temperatures

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      Book preview

      Preservation of Bull Semen at Sub-Zero Temperatures - M. E. Friedman

      The Project Gutenberg EBook of Preservation of Bull Semen at Sub-Zero

      Temperatures, by N. L. VanDemark and W. J. Miller and W. C. Kinney, Jr. and Carlos Rodriguez and M. E. Friedman

      This eBook is for the use of anyone anywhere at no cost and with

      almost no restrictions whatsoever. You may copy it, give it away or

      re-use it under the terms of the Project Gutenberg License included

      with this eBook or online at www.gutenberg.org

      Title: Preservation of Bull Semen at Sub-Zero Temperatures

      Author: N. L. VanDemark

      W. J. Miller

      W. C. Kinney, Jr.

      Carlos Rodriguez

      M. E. Friedman

      Release Date: August 11, 2011 [EBook #37041]

      Language: English

      *** START OF THIS PROJECT GUTENBERG EBOOK PRESERVATION OF BULL SEMEN ***

      Produced by Bryan Ness, Harry Lamé and the Online

      Distributed Proofreading Team at http://www.pgdp.net (This

      file was produced from images generously made available

      by The Internet Archive/American Libraries.)

      Please refer to the Transcriber's Notes at the end of this document.

      PRESERVATION

      OF BULL SEMEN

      AT SUB-ZERO TEMPERATURES

      Bulletin 621

      UNIVERSITY OF ILLINOIS

      AGRICULTURAL EXPERIMENT STATION

      CONTENTS

      ACKNOWLEDGMENT

      The authors gratefully acknowledge the financial assistance given to the Department of Dairy Science in support of these investigations by the Southern Illinois Breeding Association of Breese, Illinois, and the Northern Illinois Breeding Co-op of Hampshire, Illinois, through the Illinois Dairy Breeding Federation.

      THE PRESERVATION OF BULL SEMEN

      AT SUB-ZERO TEMPERATURES

      By

      N. L. VanDemark

      ,

      W. J. Miller

      ,

      W. C. Kinney, Jr.

      ,

      Carlos Rodriguez

      , and

      M. E. Friedman

      [A]

      [A] This publication was prepared by

      N. L. VanDemark

      , Professor of Dairy Physiology. Research reported herein was carried out cooperatively by the senior author and

      W. J. Miller

      ,

      W. C. Kinney, Jr.

      ,

      Carlos Rodriguez

      , and

      M. E. Friedman

      , formerly members of the Department of Dairy Science.

      The first announcement in 1951 of the successful impregnation of a cow with bull semen that had been frozen stimulated much interest and research in freezing as a method of preserving bull semen. Research during the years following 1951 resulted in considerable progress and success in using freezing as a means of holding semen for long periods of time without loss of fertility.

      Between 1952 and 1957, research on many aspects of the preservation of bull semen at sub-zero temperatures was carried out in the Department of Dairy Science at the University of Illinois. Many of these investigations have aided in perfecting the freezing technique that has been adapted

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