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Theriogenology Foundation Grants Provide

Great Educational Opportunities for Students

Hinrichs Presentation to UC Davis

Dr. Katrin Hinrichs gave a knowledgeable and interesting presentation on advanced equine reproductive technologies to the UC Davis School of Veterinary Medicine. She began with a review of basic embryo development, and ended with her latest research in advanced technologies. She discussed, in detail, topics such as embryo transfer, embryo biopsy, embryo cryopreservation, ultrasound guided follicle aspirate, collection of oocytes post mortem, intra-cytoplasmic sperm injection, and nuclear transfer (cloning). She explained each process, how the techniques are performed, how each made a significant impact on theriogenology, and how the results differ in young versus aged mares. Not only did she discuss the technologies used for mares, but also those used for cows due to some differences in reproductive anatomy. Dr. Hinrichs emphasized that the goal of these technologies and research is really to find out which methods produce healthy foals. For instance, when cloning horses, because the oocyte has to "reset" many genes, there are generally more opportunities for deformities and abnormalities. Oocytes take DNA of skin cells, sort through all the genes, and turn specific genes on and off. According to Dr. Hinrichs’s research, fifty percent of foals produced from cloning were born with weakness/maladjustment, contracted tendons, or an enlarged umbilicus, and two out of fourteen foals died neonatally in one study. One hypothesis for these abnormalities is problems with the placenta. For instance, in cattle, they are observed to have a large reduction in caruncle number and they are much bigger in size. However, not much information is known and much research has still yet to be done.

Iowa State University Theriogenology Club Meeting February 27

At our club’s 2/27 meeting, we were happy to have Dr. Scott Pretzer speak to us. Dr. Pretzer is the current president of the Society for Theriogenology and is a practitioner at the Nebraska Animal Medical Center. The first half of his presentation, Dr. Pretzer talked to us about canine pyometra. We learned about the typical presentation and how we should always keep it on our differential list for any intact female that comes into our clinic and isn’t feeling well. We also learned that Escherichia coli is the most common pathogen that causes canine pyometra and that the only treatment is an ovariohysterectomy. Dr. Pretzer then discussed some of the more interesting cases that were presented to him.
The second half of Dr. Pretzer’s presentation was a discussion about the national Society for Theriogenology meeting in Louisville, Kentucky. He urged Iowa State to get a group of students to go for some or all of the meeting. He told us about several events that will be going on at the meeting this year. His presentation sparked a lot of interest. A large amount of people are interested in attending and hopefully we can get together a quiz bowl team to compete with other veterinary colleges. Thank you for making this meeting possible! It greatly benefited our club.


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