Tag Archive: Cows

Culling Older Cows from the Herd Before Winter

Research shows that 10 year old and older cows are much less likely to remain productive in the herd, so it is wise to sell them before health issues make them unmarketable.  Photo credit:  Oklahoma State University. Glenn Selk, Oklahoma State University Emeritus Extension Animal Scientist Cull cows represent approximately 20% of the gross income …

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Permanent link to this article: http://gulf.ifas.ufl.edu/newsletters/2017/10/13/culling-older-cows-from-the-herd-before-winter/

Summer Temperatures Shorten Gestation Length of Early Fall-calving Cows

Start checking early bred cows and heifers early this fall.  Research at Oklahoma State documents that hot summer temperatures shorten gestation by six days in early bred fall calving cows.  Photo: Matt Hersom Glenn Selk, Oklahoma State University Emeritus Extension Animal Scientist Each year in August, it is time for an important reminder.  Fall-calving season …

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Permanent link to this article: http://gulf.ifas.ufl.edu/newsletters/2017/08/12/summer-temperatures-shorten-gestation-length-of-early-fall-calving-cows/

An Economic Evaluation of Estrous Synchronization and Fixed-Time Artificial Insemination in Suckled Beef Cows

UF/IFAS beef cattle reseach project showed a $ 49 advantage per exposed cow with Timed AI. Cliff Lamb, UF/IFAS Beef Reproduction Specialist, NFREC Overview Estrous synchronization and artificial insemination (AI) are reproductive management tools that have been available to beef producers for over 30 years. Synchronization of the estrous cycle has the potential to shorten …

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Permanent link to this article: http://gulf.ifas.ufl.edu/newsletters/2012/08/27/an-economic-evaluation-of-estrous-synchronization-and-fixed-time-artificial-insemination-in-suckled-beef-cows/