September 2016 President’s Message

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Published on: September 13, 2016

Time never seems to slow down, but here we are on the cusp of a new academic year. “Back to school” can be such an exciting time for both parents and students, and is also exciting for professors and teachers. It is wonderful to see fresh faces come through the classroom doors, full of inquisition and ambition. I want to take an opportunity to thank all of the practitioners out there who have hosted students at their practices, to show them the how’s and why’s of the embryo transfer industry. All of the feedback I get from the DVM students at Purdue has been very positive, and I would encourage our membership to reach out to the veterinary institution in their respective states, to have a student or two visit your practice or participate in an externship or preceptorship. It is a rewarding experience, and the students take away more than you ever imagined they could.

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Catching Up: Dr. George Seidel

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Published on: September 13, 2016

gespic3I started working at Colorado State University 45 years ago. I am theoretically retired, but hired back for 6 hours/week on an hourly basis. Theory notwithstanding, I still work essentially full time at the University including a lot of writing and travel, some teaching and mentoring, reviewing research proposals and manuscripts for journals, conducting experiments to synchronize ovulation, etc.

Sarah and I also have a registered Angus seedstock operation on our cattle ranch, currently with over 350 mother cows and 100 bred heifers plus clean-up bulls and bulls for sale. All of these cattle are on experiments of one sort or another in collaboration with faculty at the University We also have a complicated research project with over 50 cross bred heifers per year which we breed with sexed semen, and fatten and slaughter after first calf, with the idea that most heifers replace themselves with a heifer calf; thus the herd is self-sustaining with no need for a conventional cow herd.

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2016 AETA Board Election Candidates

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Published on: September 13, 2016

bartlett_photoMatt Bartlett, DVM

I am originally from Salina, KS. I grew up on a small commercial beef herd and was active in 4-H and FFA. Introduced to the embryo transfer industry growing up working for Glenn Engelland at Sun Valley Embryo Transfer through high school and the first summer of college. I went to Kansas State University for Animal Science and graduated from the Kansas State College of Veterinary Medicine in 2008. My wife, Kelli, and I have 3 kids Benjamin (7), Cooper (5), and Marley (2). I started working for Trans Ova Genetics as a Professional Service Veterinarian servicing the ND, SD, NE, & MT regions. In 2009-2015, in addition to my beef clientele, I focused on building our young stock IVF program for dairy heifers. Currently, I am our IA Production Team Leader and focus a lot of my time on team building and team structure. This past 2 years I have been a member of the AETA Certification Committee. I have had the great privilege to work with and build great relationships with numerous practitioners in our industry as IVF production has evolved. I have been presented with a tremendous amount of opportunities from working within this industry and am eager to serve this organization as it moves forward.

 

bigalk_photoKory Bigalk, DVM

Kory Bigalk was born and raised on a small beef farm in southeastern Minnesota.  He graduated from the University of Minnesota, College of Veterinary Medicine in 1998.

Dr. Bigalk practiced large animal medicine in a primarily dairy practice from 1998 until 2010.  He began doing embryo transfer and ultrasound work in 2001.  In 2010, he purchased an existing embryo transfer business, formed Diamond K Genetics and began doing embryo transfer work full time.

Bigalk and his wife have 3 young children and live on a small hobby farm where they raise purebred Simmental cattle.

 

comyn_photoPat Comyn, DVM

NCSU-CVM 1988. Owner of Virgnia Herd Health Management Service P.C.. Certified AETA 2005, EU certified, owner breeder registered Holsteins. Married (Barbara) with 2 children in college (Va Tech and NCSU-CVM), both interested in Vet Med, son also interested in embryo transfer and IVF. I prefer following bird dogs in my spare time.

 

 

 

dorshorst_photoMatthew Dorshorst, DVM

I am a Veterinary practitioner from central Wisconsin. I graduated from the University of Wisconsin-Madison in 2005 with BS, MS and DVM degrees and began practicing veterinary medicine. I have spent the last 3 years as the sole owner of Origin Reproduction Services. I specialize in bovine reproductive ultrasonography as well as collection, transfer, cryo-preservation and export of bovine embryos. I have assisted with foreign market development on the behalf of the AETA as a member of the Cooperator Committee. I have had the privilege to facilitate training of Veterinarians domestically as well as internationally through joint ventures with the University of Wisconsin-Madison, the AETA and the Babcock Institute. I am the father of four children and together with my wife, Molly, we own and merchandise black and white as well as red and white Holstein cattle. We also have a research and marketing interest in polled Holstein genetics and pigment mutations in Holstein cattle.

Managing With Low Milk Prices

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Published on: September 13, 2016

By Mid Maryland Dairy Vets.

The downturn in dairy pricing has forced most of our clients to look critically at their dairy enterprise.  In the best of times and worst of times, a business should be consistently striving to reduce costs and maximize revenues.  The following article provides a simple dairy management checklist that you can use along with your advisors to help survive and thrive in the volatile dairy market.

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Practice Tip: Taking photos and videos of embryos through a stereoscope

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Published on: September 13, 2016

From time to time, the need arises to take either still photomicrographs or video pictures of embryos through a stereoscope.  This could be for quality control purposes, consulting with other practitioners or research. In the case of a practitioner just learning to evaluate embryos, a photomicrograph sent digitally to a mentor can provide a valuable second opinion for the client.   Many practitioners don’t have access to microscopes with built in camera mounts, but smartphone technology has improved to the point that high quality photographs can be made through a microscope with a smartphone.  Holding the phone camera steady over the ocular lens long enough to snap a picture, however, can be a challenge even for those with a steady hand.

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Ask John: Question on freezer malfunction

Categories: Evidence-Based ET
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Published on: September 13, 2016

By John F.Hasler

A few years ago I was asked to change my newsletter column from “Ask John” to “Evidence Based ET”.  However, for this Sept. 2016 edition we are back to some questions submitted to me for which there are not really any hard data available.

For our younger members, some background on my experience in freezing embryos follows. In 1977, my first year out in commercial ET practice after finishing my post-doc at CSU, I flew to Cambridge, England and met with Dr. Steen Willadsen. One year earlier in 1976, Steen had published a paper that described freezing sheep embryos followed by the production of pregnancies after the embryos were thawed and transferred. This followed the first report of successful freezing of mammal embryos (mice) in 1972 by Whittingham, Leibo and Mazur. During my visit to Cambridge, Steen showed me how to make ampules from glass tubing and how to make freezing medium containing DMSO as the cryoprotectant.  I came home enthusiastic and optimistic, but spent a couple of very frustrating years with ampules blowing up not infrequently upon at thawing and very few embryos appearing to survive. We finally gave up on slowing lowering the ampules into the neck of a liquid nitrogen tank and Alan McCauley and I paid $12,000 (equivalent to about $30,000 in today’s dollars) for a Planer freezer.  However, we still had to make our own freezing media and the recommended freezing program was over 3 hours long.  Lastly, the biggest mistake we made for several more years was to transfer the very best embryos into available recipients and freeze what was left, often late at night after we returned to home base.  That old Planer freezer was much too big and unwieldy to haul around from farm to farm.

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Bison Conservation

Categories: Research Publications
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Published on: September 13, 2016

Good article on bison conservation from Colorado State University.

Natural birth: Two calves born to NoCo conservation herd

Two Articles of Interest Regarding Kisspeptins

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Published on: September 13, 2016

The role of kisspeptin signalling in the hypothalamic–pituitary–gonadal axis — current perspective

Abstract

The discovery of kisspeptins in the recent past remoulded current understanding of the neuroendocrine axis relating to the regulation of human puberty and reproduction. Kisspeptins have been recognised to act upstream of GnRH and have been shown to play a vital role in the control of the hypothalamic–pituitary–gonadal axis via regulation of gonadotrophin secretion, onset of puberty, and control of fertility. KNDy (kisspeptin/neurokinin-B/dynorphin) neurons have been suggested to modulate GnRH pulsatile secretion, which is required to support reproductive function in both sexes. They have also been involved in mediating both positive and negative sex steroid feedback signals to GnRH neurons and serve as a vital connection between reproduction and metabolic status of the body. When kisspeptin is administered to healthy humans, and in patients with reproductive disorders, it strongly and directly stimulates GnRH and subsequent LH secretion and enhances LH pulse frequency. These observations suggest that kisspeptins are a potential novel therapeutic approach for treating disorders with either pathologically reduced or augmented gonadotrophins pulsatile secretion and is currently a focus of translational research. Kisspeptins have also been identified in several peripheral reproductive organs, indicating their role in modulation of ovarian function, embryo implantation, and placentation, but a great deal of work remains to be done to explore further in this regard, and the evidence is only available from studies done on animal models. In this review we will mainly focus on current available evidence related to the role of kisspeptins in controlling GnRH pulse frequency, specifically their role in puberty, fertility, and reproduction. We will also be appraising other factors that regulate the kiSS1/Kisspeptin/GPR-54 system. (Endokrynol Pol 2015; 66 (6): 534–547) (more…)

Articles of Interest

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Published on: September 13, 2016

3 tips to avoid early embryonic loss in cattle

Dealing with the stubborn corpus luteum during a timed AI program

Proceedings from the 18th ICAR

Steroid hormones in bovine oviductal fluid during the estrous cycle

Effective embryo production from Holstein cows treated with gonadotropin-releasing hormone during early lactation

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AETA & CETA/ACTE 2016 Joint Convention: We’ll see you there!

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Published on: September 13, 2016

The final program for the upcoming meeting in St. Louis, MO is now available on the meeting website.

This year’s pre-conference social will take place at The Biergarten at Anheuser-Busch.

The Biergarten is a truly unique space that offers a charming view of an urban landscape as you kick back and enjoy the premium beers and fare. The pre-conference social at the Biergarten includes tours of the Clydesdale stables, historic brewhouse, and beechwood aging cellars. The 2016 pre-conference social will take place the evening of Thursday, September 29, 2016

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Discounted Shuttle Service from Airport for AETA & CETA/ACTE Convention

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Published on: September 13, 2016

shuttle

Discounted Airport-to-Hotel Shuttle Transportation

AETA and GO BEST Express have partnered together to
provide convenient shared ride shuttle service to/from the airport and local hotels.  Between the reliable and friendly chauffeurs, the clean vans, and amazing rates,
there’s no other way to GO than with the BEST!  CLICK HERE to receive a
discount of 20% OFF standard rates.

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