December 2014 President’s Letter

Categories: President's Message
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Published on: December 22, 2014

Thank you all for allowing me the privilege of serving as the AETA president for 2014. It has been an honor to serve an organization that has given so much to me. I attended my first AETA meeting in 1999, and the knowledge I have gained by sitting in on these meetings and the people I have met along the way have helped me immensely. I have said it many times that this organization is strong and will remain strong for years to come.

Reading through the surveys from our annual meeting in Madison, we found many great responses. As always, we take these and look at how we can make every meeting better than the last. Thank you to the convention committee for putting an outstanding program together. Thank you to our sponsors for the preconference social, golf outing, breakfast, lunch, coffee breaks, and our banquet. We truly appreciate your continued support and friendship.

As usual, it has been pretty quiet since the meeting in October. Your board of directors will meet in February, so if anyone has topics they would like us to discuss, please do not hesitate to contact me or any of the board members.

Again, thank you for allowing me this honor. I have gotten to know many of you better through this experience and I hope I have been able to give back to the organization. I hope this newsletter finds each and every one of you in the holiday spirit and you can find time to enjoy the holidays with friends and family.

Respectfully,

Dr. Michael Pugh

2014 Convention: A great time was had by all!

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Published on: December 22, 2014

2014-AETA-WebBannerMany thanks to Drs. Charles Looney and Jon Schmidt for the preparation and execution of a great annual meeting!

There were lots of people in attendance: 328 American members, 76 Canadian members, and approximately 25 students. Family members, technicians, and exhibitors also attended. This was one of the biggest meetings in recent memory.

It was a quality meeting from start to finish. The sessions were informative, covering a broad range of topics, both practical and academic. If you were unable to attend the meeting, please remember to check out the Proceedings on the AETA website.

Here are some pictures to help you remember the highlights of the meeting.
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A “Thank You” from Dr. Bob Rowe

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Published on: December 22, 2014

To the Board of Directors and members of AETA: If you attended the banquet at the AETA & CETA/ACTE Joint Convention in Madison, Wisconsin, you witnessed the most surprised member of all time. I received the Distinguished Service Award and didn’t have a CLUE!!!! My wife, family, and colleagues pulled off the most remarkable con of all time. I was completely surprised when Rueben Mapletoft approached the podium to give this award (on my crib notes it said “to [blank]”) and said, “Bob, it’s you.” Please accept my most humble thanks for this great honor. Hopefully, I will continue to earn this award as we go forward together as members of AETA. There is no greater gift one can receive than recognition from his colleagues and friends.

Thank you from the bottom of my heart.

Bob Rowe

Evidence-based ET: What is the best protocol for cryopreserving IVF-derived bovine embryos?

Evidence-based ET: What is the best protocol for cryopreserving IVF-derived bovine embryos?

John F. Hasler

Note: The title of this column was suggested by our AETA board of directors

There has been concern regarding the best way to cryopreserve bovine IVF-derived embryos ever since commercial in vitro embryo production (IVP) started in the early 1990s. Donors in the early days were primarily infertile, problem donors, and annual IVP embryo production in the United States was limited to a few thousand embryos, at most. Production of IVP embryos has increased substantially in recent years, and in 2013, it was reported that 48,112 embryos were produced from OPU collections compared with 301,671 in vivo embryos collected from superovulated cattle. Thus, 13.8% of the total embryos produced were from IVF procedures and 55% of them were reported to have been frozen. It is anticipated that reported IVP production will be substantially higher in 2014. Understandably, the companies providing IVF services are reluctant to share details of their cryopreservation services. However, because fresh IVP embryos are often shipped overnight to ET practitioners/donor owners for transfer on-farm, embryo numbers sometimes exceed the number of available recipients. Consequently, not infrequently, practitioners are faced with cryopreserving leftover IVP embryos. Even today, however, there does not seem to be any widely agreed upon, best protocol for cryopreserving IVP embryos. In the last few years it has been publically reported that IVP embryos have been commercially cryopreserved by vitrification and slow freezing with both ethylene glycol (EG) and glycerol used as the cryoprotectants.

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Practice Tip 1: Platform for working on donor cows

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Published on: December 22, 2014

Practice Tip 2: How to level up your work van

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Published on: December 22, 2014

One AETA member proposed the question, “How do other guys level up their ET vans; that is, how do they get a level work surface?” Three practitioners were asked the question, and their responses are presented here. The newsletter would welcome any additional ideas that might be out there, just send them on to Jeremy at the AETA office.

Dr. John Schneller writes, “My leveling technique is embarrassingly simple. My scope is not attached to my tabletop, so I fold a two paper towels and slip one under each of the lower corners of the scope.”

Dr. Charles Wray has an adjustable countertop mounted over a fixed tabletop in his mobile lab. At the four corners of the countertop are four 3/8″ by 5″ bolts that can be adjusted by hand into four corresponding 3/8″ deep pockets in the fixed tabletop. The bolts are individually attached to the countertop by a nut welded to a strip of metal, which is attached to the underside of the countertop. I do nothing special to secure the countertop during transport than have the bolts extended to the bottom of the pockets in the tabletop. There is a picture of this work area.

Wray

 

 

 

 

 

 

Dr. Allen Rushmer carries two wooden block in his van. They are 2” by 8-10” stock, and one is a double. He finds that he can level out the van in most places using some combination of these blocks under the appropriate wheels.

Rushmer1 Rushmer2

Articles of Interest

Categories: Research Publications
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Published on: December 22, 2014

The correlation between the number of antral follicles and ovarian reserves (preantral follicles) in purebred Bos indicus and Bos taurus cows

Conversion of intraovarian patterns from preovulation to postovulation based on location of dominant follicle and corpus luteum in heifers

Effect of progesterone supplementation on fertility responses of lactating dairy cows with corpus luteum at the initiation of the Ovsynch protocol

The interval between the emergence of pharmacologically synchronized ovarian follicular waves and ovum pickup does not significantly affect in vitro embryo production in Bos indicus, Bos taurus, and Bubalus bubalis

AETA 2014 Scholarship Winner Report: Jonathan Chachere

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Published on: December 22, 2014

Thank you for the opportunity to attend the 2014 AETA-CETA/ACTE joint convention. I had a great time and I am looking forward to coming again in the future. I arrived and immediately began learning at the preconference sessions. Receiving hands-on tutorials from a few of the industry’s best was great, and the learning curve only got steeper from then on. Each of the presentations presented studies and data that challenged me to think outside of the traditional mode of learning that I receive in the classroom, and I truly enjoyed this dynamic of the conference. Finally, Mrs. Jane Pryor did an excellent job preparing the student/technician sessions. I had the unique opportunity to see and test several different brands of tools, which allowed me to appreciate the differences to make an informed decision on what I liked and did not like, and to choose my own favorites. Thanks to everyone involved in those two sessions, as they were very beneficial. While in the laboratory, I’ll catch myself applying knowledge that was gained at the conference and feel a sense of satisfaction and gratitude.

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AETA 2014 Scholarship Winner Report: Nicole Hershberger

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Published on: December 22, 2014

I would like to start by thanking all of you for the opportunity to attend the 2014 AETA Conference in Madison, Wisconsin! When I submitted my application I hoped to gain additional practical knowledge of embryo transfer and related technologies. In addition, a greater understanding for quality control, embryo biopsy, and the latest advancements in decreasing the generation interval. Of course, in addition to this I hoped to meet practitioners from all over the country and gain an understanding of the issues they face and the challenges they have overcome to reach where they are today. I can say with no hesitation that the knowledge I had hoped to gain from attending the AETA conference has been met and exceeded in ways I had not imagined.

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AETA 2014 Scholarship Winner Report: Amanda Folkmann

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Published on: December 22, 2014

AETA 2014 Conference Report & Evaluation

Amanda Folkmann–2014 Scholarship Recipient

Advanced reproductive technologies have been a major interest of mine for several years. I grew up on a family farm with Angus cross beef cows and the traditional Angus/Simmental bull roaming around doing his duty when it needed to be done, but I always wondered how this system could be made more efficient. As a second-year veterinary student at Iowa State University, there were several conferences brought to my attention that would have been beneficial to attend. However, the AETA conference stood out as one that was not the usual run-of-the-mill session. Student learning and hands-on activities looked to be a major part of the program and definitely reinforced my decision to attend this particular conference.

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AETA 2014 Scholarship Winner Report: Elizabeth Kocab

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Published on: December 22, 2014

One of the greatest challenges in veterinary school is trying not lose sight of your career goals and staying motivated. Attending the AETA/CETA convention this year reminded me of why I am so excited to become a part of this profession in a few years. This was my first experience at a conference and I honestly did not know what to expect. I am very blessed and grateful for the opportunity to travel to Wisconsin for the convention and hope that the scholarship program continues in the future.

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AETA 2014 Scholarship Winner Report: Kevin Pettit

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Published on: December 22, 2014

While planning to attend the American Embryo Transfer Annual Conference, I was looking to gain knowledge that would not only benefit me when I was out in practice, but more importantly to help producers. Additionally, I was excited for the opportunity to network with leaders within the industry and learn about new technologies.

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AETA 2014 Scholarship Winner Report: Peter Schmitt

Categories: Annual Meeting
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Published on: December 22, 2014

I would like to take this time to thank the committee for giving me the opportunity and financial support to attend the 2014 annual convention. I am both honored and humbled to be a scholarship recipient and it is an experience that I will not soon forget. The convention committee did a great job, and future convention sites will have a tough time following Madison’s lead.

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