The Genetics of Fertility: Existing and Developing Tools

My hat is off to the Oklahoma State University Beef Extension team for putting together an excellent Rancher's Thursday Lunchtime Series to continue to provide information during the pandemic. 

I had the pleasure to present in the series with a talk titled "The Genetics of Fertility: Existing and Developing Tools".

You can access the slides here: http://beef.okstate.edu/files/the-genetics-of-fertility

You can watch a recording of the presentation below.


Red Angus and Hereford producers interested in heifer puberty and fertility research should check out the following pages to learn how to get free genomic-enhanced EPDs by participating in the project.

Again, thanks to Dave Lalman for inviting me to present.

Comments

genderbaby said…
Great job for publishing such a nice article. Your article isn’t only useful but it is additionally really informative. Thank you because you have been willing to share information with us. Los Angeles fertility center
February 17, 2021 at 7:35 AM
Post a Comment

Popular posts from this blog

New Show-Me-Select Sire EPD Requirements Announced

Image
At the January 4th Show-Me-Select Board of Directors meeting, new service sire EPD requirements were approved. All sires, artificial insemination and natural service, must meet minimum Calving Ease Direct (CED) EPD requirements. In addition to yearly updates, two changes were made. First, no Birth Weight EPD requirement will be published. All commonly used breeds now have CED EPDs available. Second, all breeds in the International Genetic Solutions (IGS) genetic evaluation are now set to a common requirement. In the summer of 2018, breeds within the International Genetic Solutions switched to a single-step BOLT multi-breed genetic evaluation. The EPDs for animals in the IGS genetic evaluation are directly comparable across breeds. In 2017, the Red Angus requirement for CED was a CED of 8, which represents the 30th percentile. Less than 5% percent of heifers breed to a bull with a CED EPD of 8 or larger had calving difficulty. We feel that this require is meeting the need to re
Read more

Show-Me-Select Board Approves Genomic Testing Requirement for Natural Service Sires

Image
All bulls purchased after February 1st, 2019 for use as natural service sires in the Show-Me-Select Replacement Heifer Program ™  must be DNA tested to have genomic-enhanced EPDs. All bulls used as natural service sires after February 1st, 2020 must have genomic-enhanced EPDs, regardless of when they were purchased. Seedstock producers classifying bulls as Show-Me-Select qualified in sale books must have genomic-enhanced EPDs on those lots. Bulls purchased prior to February 1st, 2019 will be grandfathered into the program, as is the common practice with all natural service sires. However, this grandfather grace period will end February 1st, 2020. At that time for a bull to qualify for use in the program, it must have genomic-enhanced EPDs. Why the change? The Show-Me-Select Replacement Heifer Program has the goal of producing premium heifers that perform predictably as 2 year olds. The program has a history of requiring Show-Me-Select producers to go beyond typical cat
Read more

BIF 2019: Economic Impact of Sex Sorted Semen

George Perry South Dakota State University NAAB Symposium Assume that a cow breeds 30 cows per year for 4 years. Regardless of the year, bull price per calf sired was higher than the cost of semen. We could have different bulls for different groups of cows. Bulls for heifers, bulls for maternal calves, and bulls for terminal calves. Consider breeding a calving ease bull to mature cows- you are giving up additional growth with that mating. Sexed semen causes the differences in sexes of the calves that we would expect to see. The number of bulls and heifers in a calf crop can be skewed even if we do one round of artificial insemination followed by natural service. Perry's groups used 6 herds with 878 cows breed to 5 different bulls. They used conventional semen and sexed semen from each bull. Gender skewed semen had a pregnancy rate of 52.4% and conventional semen had a pregnancy rate of 67%. When cows have displayed estrus (been in heat) at time of AI, pregnancy rate was 6
Read more