Review: Using artificial insemination v. natural service in beef herds
نویسندگان
چکیده
منابع مشابه
The Impact of Using Artificial Insemination versus Natural Service for Florida Beef Cows
Introduction Estrous synchronization and artificial insemination (AI) are reproductive management tools that have been available to beef producers for over 40 years. Synchronization of the estrous cycle has the potential to shorten the calving season, increase calf uniformity, and enhance the possibilities for utilizing AI. Artificial insemination allows producers the opportunity to infuse supe...
متن کاملFixed-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...
متن کاملOntario Beef Producers'Attitudes about Artificial Insemination
1Associate professor, f , Department rt t off Agricultural i lt l Economics i and Business, i , University i it off ‘ i t Guelph, Guelph,, Ontario; while the final version was being completed, t , Visiting academic, i , Z Dt:partment off Agriculture i lt and Resource Econonlics, University i it off New England. l . 2 2 Graduate t research assistant, i t t, Department rt nt off Agricultural i lt...
متن کاملExperiences in Artificial Insemination of Beef Cattle in North Queensland
Artificial insemination was used in an attempt to breed three groups of Brahman cross cows on two properties in north Queensland. On one property the attempt was abandoned due to low incidence of detected oestrus in lactating cows. On the other property calving rates following insemination were 20.8% and 16.4% over two years. Vibriosis was one cause of low fertility. Semen was collected satisfa...
متن کاملTrichomoniasis in Beef Herds
Reproductive efficiency is one of the most important factors influencing the economic success of a cowcalf operation. Bovine trichomoniasis, also known as trichomonosis, is a venereal disease caused by the protozoan Tritrichomonas foetus that negatively impacts a herd’s reproductive efficiency, thereby having a substantial economic impact on a cattle operation. This paper outlines the pathogene...
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ژورنال
عنوان ژورنال: Animal
سال: 2018
ISSN: 1751-7311
DOI: 10.1017/s175173111800054x