Review: Semen handling, time of insemination and insemination technique in cattle
نویسندگان
چکیده
منابع مشابه
Fixed-time artificial insemination in beef cattle
BACKGROUND The study was designed to test the effect of fixed-time artificial insemination (fixed-AI) after the slightly modified Ovsynch protocol on the pregnancy rate in beef cattle in Finnish field conditions. The modification was aimed to optimize the number of offsprings per AI dose. METHODS Ninety Charolais cows and heifers were entered into the program an average of 1.8 times. Thus, 16...
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Artificial insemination technique and semen preparation impact boar utilization efficiency, genetic dissemination, and biosecurity. Intrauterine (IUI) and deep intrauterine (DUI) AI techniques require lower number of spermatozoa per dose compared to conventional (CON) AI. Frozen semen (FRO) has been associated with lower reproductive performance compared to fresh semen (FRE) preparation. The co...
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The most important aspect when discussing artificial ins realise that there are many factors that play a role in w bitch becomes pregnant after AI. These factors inclu (fresh vs frozen), semen quality and quantity, age and stud dog and bitch, site of semen deposition (intrauter time of insemination.... just to name a few! As you important that when comparing “conception” or more co rates” that ...
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This report reviews the latest knowledge on boar semen diluents used in artificial insemination procedures. The requirements of an effective fresh semen diluent are discussed and currently available extenders are compared. Finally, we suggest directions to be taken in future research on this topic. A semen extender should be carefully selected according to its proposed use. For a planned semen ...
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Methods of collection and freezing of semen of some deer species and aspects of controlled reproduction associated with the use of frozen-thawed semen by artificial insemination (AI) are discussed.
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ژورنال
عنوان ژورنال: Animal
سال: 2018
ISSN: 1751-7311
DOI: 10.1017/s1751731118000952