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Hereford and Red Angus Heifers Recruited for Genomics Research

The University of Missouri is recruiting 2,500 Hereford heifers and 2,500 Red Angus heifers to participate in a heifer puberty and fertility genomic research project. Heifers should be registered Hereford, registered Red Angus, or commercial Hereford or Red Angus. Hereford x Red Angus crossbred heifers targeted for the Premium Red Baldy Program would also be a good fit for the research project. Producers must be willing to work with a trained veterinarian to collect the following data: ReproductiveTract Scores collected at a pre-breeding exam 30 to 45 days prior to the start of the breeding season. PelvicMeasurements (height and width) collected at the same pre-breeding exam 30 to 45 days prior to the start of the breeding season. Pregnancy Determination Using Ultrasound reporting fetal age in days. Ultrasound will need to occur no later than 90 days after the start of the breeding season. In addition, heifers must have known birth dates and have weights recorded eithe

Genomics of heifer pregnancy, days open, and days to conception in Red Angus heifers


Esdras Tuyishimire

On April 22nd at 10 am Central Time, Esdras Tuyishimire will be presenting his Masters thesis work in a seminar titled, "Genomics of heifer pregnancy, days open, and days to conception in Red Angus heifers".

Heifer Pregnancy is a discrete success versus failure observation. Esdras investigated using what day of the breeding season did a heifer conceive (Days to Conception) and how many days of the breeding season was a heifer open (Days Open) as alternative ways to look at heifer fertility. 

You can watch a recording of Esdras' seminar: https://blog.steakgenomics.org/2022/05/video-genomics-of-heifer-pregnancy-days.html 

Forage Systems Field Day_2017_009

Thanks to the Red Angus Association of America for providing the data for Esdras' research!


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