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Passing of Dr. David Tyler, University of Georgia College of Veterinary Medicine
by Bruce Williams June 1, 2020

June 1, 2020

[image: 101642376_10158689158712873_8770691911309590528_n.jpg] It is with a heavy heart that I announce the passing of Dr. David Tyler, Joshua Meigs Distinguished Professor of Pathology at the College of Veterinary Medicine at the University of Georgia. In addition to a distinguished teaching career, and being one of the two founders (with Dr. Wayne Crowell) of Noah's Arkive, which has served countless veterinarians around the world for over thirty-five year, Dr. Tyler inspired countless young veterinary students to pursue a career in veterinary pathology, including one young CPT Bruce Williams, who knew after his first two tours in the Army, that a career in pathology was what he wanted to pursue.. Dave Tyler was one of the kindest professors I ever met, and he brought pathology "back to life" on a daily basis. I never had the chance to tell him how in four years of veterinary school with many outstanding teachers, he was the one who inspired me, but I hope that I have done him proud. His obituary: "David Earle Tyler went to be with the Lord on May 26, 2020. The third son of the late Guy Earl Tyler and Beatrice Virginia (Slack) Tyler, he was born in Hartford, Iowa. He graduated from Hartford High School in 1946. He served in the Army at the end of World War II as an MP in Alaska. Following his military service, he enrolled at Iowa State University (ISU). He earned both a B.S. in Animal Husbandry and a Doctorate of Veterinary Medicine at ISU. During his studies at ISU, David met his sweetheart, LaVon Smith whom he married in 1952. They remained married for 66 years until LaVon's death. Following graduation from ISU, Dr. Tyler joined the faculty at Purdue University as an instructor in veterinary science. While at Purdue, he earned his M.S. degree. David then returned to his alma mater to join the faculty in the veterinary pathology department. During his time as a faculty member at ISU, he completed his Ph.D. degree and became a Diplomate of the American College of Veterinary Pathology. In 1966, he was recruited to become the head of the veterinary pathology department at the University of Georgia (UGA). He accepted the challenge and the whole family moved south to Athens, Georgia. He spent the remainder of his professional career at the UGA, College of Veterinary Medicine until his retirement in 1991. David was a highly respected scientist, veterinarian, and teacher. It was his role as a teacher that particularly brought joy to his professional life. His excellence as an educator was acknowledged on multiple instances by his students and his colleagues. He was named a Josiah Meigs Distinguished Teaching Professor by the University of Georgia. This is the highest honor for excellence in instruction at UGA. He was also the inaugural winner of the national Zoeitis Distinguished Veterinary Teacher Award. David was a master woodcarver and enjoyed teaching carving to friends and his colleagues. He also enjoyed traveling abroad with LaVon, and gardening at their home on Sunnybrook Drive. He was a member of the First Christian Church, Disciples of Christ in Athens, Georgia for 46 years where he served as an elder. He and LaVon became members of the Grace Community, United Methodist Church following their move to Fort Mill, South Carolina to be closer to family in 2012. David was a loving husband, father, grandfather and great-grandfather who supported and protected his family. He is survived by his sister Georgene Tyler Fawcett; son John Tyler; daughter Anne Tyler Sink; two grandchildren Christina Sink Smith and Laura Sink; great-grandson Ian Smith; sister-in-law Martha Tyler; son-in-law Merritt Sink and grandson-in-law Tyler Smith. For family members, there will be a service at Peterson's funeral home in Carlisle, Iowa on Saturday, June 6, 2020 at 2 PM. Social distancing and cloth masks will be part of the service. Video streaming of the service will be available for those not able to attend. Graveside services will follow at the Hartford Cemetery. In lieu of flowers, the family request donations to be made to the Grace Community United Methodist church of Fort Mill, South Carolina or the First Christian Church, Disciples of Christ in Athens Georgia.

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Day Seminar on Zoo and Aquatic Animals - Tuesday 9 June
by Bruce Williams May 31, 2020

May 31, 2020

The Foundation's June 9 Virtual Day Seminar is a full day on Diseases of Zoo and Aquatic Animals, and we have a fantastic lineup for you! Plus(!) you can get 8 hours of RACE CE for only $50 if you sign up (and a beautiful certificate of attendance - if you print it on beautiful paper.) Register in advance for this webinar: https://us02web.zoom.us/webinar/register/WN_RVBQirwVR1qGpUznUAAr7w After registering, you will receive a confirmation email containing information about joining the webinar. PLEASE NOTE: These lectures will be rebroadcast for ONLY 48 hours following the lecture completion.

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Rebroadcast for June 5 virtual seminar - Cognitive errors in veterinary diagnostic pathology
by Bruce Williams May 31, 2020

May 31, 2020

On 12PM EDT ON 5 June 2020, Professor Emeritus Paul Stromberg of The Ohio State University will present: "Cognitive errors in veterinary diagnostic pathology: why we make mistakes and how to mitigate the risk." Diagnostic errors in medicine are more common than we want to admit. This lecture discusses the common Errors we make as diagnostic pathologists. It presents gross and microscopic images the viewers can analyze to see if they make the correct interpretation as examples of the common mistakes, then discusses how to minimize your likelihood of error. Want to improve your accuracy? Sign in and see how to improve your skills. Register in advance for this webinar: https://us02web.zoom.us/…/register/WN_a7bGjk2IT46nN76GrJOKmw <https://us02web.zoom.us/webinar/register/WN_a7bGjk2IT46nN76GrJOKmw?fbclid=I…> After registering, you will receive a confirmation email containing information about joining the webinar. Please note that this seminar will be rebroadcast on (and only on) Saturday June 6 and Sunday June 7. No accommodations can or will be made.

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Free Friday Seminar - 28 May - Immune-mediated drug-induced liver injury
by Bruce Williams May 28, 2020

May 28, 2020

You are invited to a "Free Friday Seminar" on 29 May at 1200 hrs EDT sponsored by the Latin Comparative Pathology Group. This virtual seminar is entitled "Pathology of immune-mediated drug-induced liver injury in immuno-oncology checkpoint inhibitor combination", and is presented by Timothy Affolter, DVM, PhD, DACVP of Global Pathology, Pfizer Drug Safety Research and Development, La Jolla, CA. Immune checkpoint inhibitors (CPI) are the cornerstone drugs of immuno-oncology and generally act by promoting T cell activation with subsequent tumor cell killing. Current animal models under predict the incidence and severity of immune-related adverse events observed with CPI drug combinations in the clinic. We have developed a novel mouse model that closely recapitulates these immune-mediated adverse events in the setting of a combined checkpoint blockade. Co-administration of a CTLA4 blocking antibody and an IDO1 inhibitor to PD1 knockout mice drives inflammation and necrosis in the liver, and more sporadically in other tissues, with histopathologic phenotypes similar to what has been reported clinically. Immunophenotyping of the inflammation revealed an expanded oligoclonal population of CD8+ T cells, with elevated ICOS and CD44 expression. Several novel technologies including laser capture microscopy, digital image analysis, and single cell transcriptomic analysis were used to further characterize the expression of several activation and exhaustion markers in infiltrating CD8+ T cell population. Global depletion of CD8+ T cells attenuated CPI-induced liver injury. Register in advance for this webinar: https://us02web.zoom.us/webinar/register/WN_hg77GG38T_2Jh5Kg7m6Hog?fbclid=I… <https://us02web.zoom.us/webinar/register/WN_hg77GG38T_2Jh5Kg7m6Hog?fbclid=I…>

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Free Friday Seminar 5 June: Cognitive errors in veterinary Medicine
by Bruce Williams May 28, 2020

May 28, 2020

Here's a great "Free Friday Seminar" that EVERYONE needs to see. On 12PM EDT ON 5 June 2020, Professor Emeritus Paul Stromberg of The Ohio State University will present: "Cognitive errors in veterinary diagnostic pathology: why we make mistakes and how to mitigate the risk." Diagnostic errors in medicine are more common than we want to admit. This lecture discusses the common Errors we make as diagnostic pathologists. It presents gross and microscopic images the viewers can analyze to see if they make the correct interpretation as examples of the common mistakes, then discusses how to minimize your likelihood of error. Want to improve your accuracy? Sign in and see how to improve your skills. Register in advance for this webinar: https://us02web.zoom.us/…/register/WN_a7bGjk2IT46nN76GrJOKmw <https://l.facebook.com/l.php?u=https%3A%2F%2Fus02web.zoom.us%2Fwebinar%2Fre…>After registering, you will receive a confirmation email containing information about joining the webinar.

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Davis-Thompson Foundation June Newsletter
by Bruce Williams May 28, 2020

May 28, 2020

The June version of the Foundation’s newsletter marks a new first - all of the course recaps are of our new “Free Friday seminars” and full Day-seminars. Also included are flyers for upcoming teleconferences, including this year’s versions of the annual Descriptive Course and Pathology of Lab Animals, and others. Some flyers for later this year are advertising coursesfor which final decisions have not yet been made (traditional, teleconference, or postponement) as we wait for more information on venues or meetings that they are attached to. With very best wishes for the continued health of you and yours, Bruce Williams, DVM CEO, Davis-Thompson Foundation

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RE: Upcoming DTF/ACVP Virtual Day Seminar: Clinical pathology review.
by Francisco Uzal May 26, 2020

May 26, 2020

Yes. They are legit. Best Paco Uzal Francisco A. Uzal, DVM, MSc, PhD, Dipl. ACVP Professor of Veterinary Diagnostic Pathology Branch Chief California Animal Health and Food Safety Lab School of Veterinary Medicine University of California, Davis 105 W Central Ave San Bernardino California 92408- USA Ph 909 383 4287 Fax 909 884 5980 E-mail fuzal(a)cahfs.ucdavis.edu<mailto:fuzal@cahfs.ucdavis.edu> From: Godard, Danielle - DNR <Danielle.Godard(a)wisconsin.gov> Sent: Tuesday, May 26, 2020 6:55 AM To: Francisco Uzal <fauzal(a)UCDAVIS.EDU>; davis_members(a)list.cldavis.org Cc: Dorothee Bienzle <dbienzle(a)uoguelph.ca>; Barnhart Kirstin <Kirstin.Barnhart(a)envigo.com>; Robert Darren Wood <woodr(a)uoguelph.ca>; Julie L Webb <jlw444(a)cornell.edu>; Melinda Sue Camus <mscamus(a)uga.edu> Subject: RE: Upcoming DTF/ACVP Virtual Day Seminar: Clinical pathology review. Are you getting these? I don't know if they are legit or not. The emails form UCDaving and UOGuelph seem above board. We are committed to service excellence. Visit our survey at http://dnr.wi.gov/customersurvey to evaluate how I did. Dr. Danielle R. Godard DVM MSc Senior Aquatic Veterinarian-Fisheries Management/Fish Wildlife and Parks Wisconsin Department of Natural Resources Science Operations Center, 2801 Progress Rd., Madison WI 53716 Phone: (608) 381-1049 Danielle.Godard(a)wisconsin.gov<mailto:Danielle.Godard@wisconsin.gov> [cid:image001.png@01D6332A.EB7C6750]<http://dnr.wi.gov/> dnr.wi.gov [cid:image002.png@01D6332A.EB7C6750]<http://facebook.com/WIDNR> [cid:image003.png@01D6332A.EB7C6750] <https://twitter.com/WDNR> [cid:image004.png@01D6332A.EB7C6750] <http://www.youtube.com/user/WIDNRTV> [cid:image005.png@01D6332A.EB7C6750] <https://public.govdelivery.com/accounts/WIDNR/subscriber/new> [A close up of a sign Description automatically generated]<https://dnr.wi.gov/news/Weekly/Article/?id=4741> From: Francisco Uzal <fauzal(a)UCDAVIS.EDU<mailto:fauzal@UCDAVIS.EDU>> Sent: Wednesday, May 20, 2020 12:53 PM To: davis_members(a)list.cldavis.org<mailto:davis_members@list.cldavis.org> Cc: Dorothee Bienzle <dbienzle(a)uoguelph.ca<mailto:dbienzle@uoguelph.ca>>; Barnhart Kirstin <Kirstin.Barnhart(a)envigo.com<mailto:Kirstin.Barnhart@envigo.com>>; Robert Darren Wood <woodr(a)uoguelph.ca<mailto:woodr@uoguelph.ca>>; Julie L Webb <jlw444(a)cornell.edu<mailto:jlw444@cornell.edu>>; Melinda Sue Camus <mscamus(a)uga.edu<mailto:mscamus@uga.edu>> Subject: Upcoming DTF/ACVP Virtual Day Seminar: Clinical pathology review. Dear all Please join us for a full day of clinical pathology with this great seminar sponsored by the DTF and ACVP, on Tuesday June 11. The talks by four outstanding speakers will be mostly tailored for anatomic pathologists, but there will be something of interest for everybody. Pre-registration is required (follow the link in the attached flyer). Looking forward to meeting everybody. Paco Uzal

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Avian pathology lecture by Dr. Leslie Woods
by Bruce Williams May 22, 2020

May 22, 2020

You asked for it - you got it! On May 22 at 12PM EDT, our "Free Friday Seminar" was on avian pathology. Our speaker was Professor Leslie Woods of the University of Califonia at Davis, who spoke on "My Favorite Avian Diseases. - (with a short introduction on virulent Newcastle disease by Paco Uzal) “My Favorite Avian Diseases” includes a potpourri of infectious, nutritional and toxic diseases of poultry and companion birds emphasizing gross and microscopic characteristics of the diseases. Diseases with similar gross pathological changes are compared, with distinguishing microscopic features discussed. Some may not even be distinguished microscopically and require ancillary testing for definitive diagnoses of the diseases and as a special added bonus, a brief description of the gross lesions of virulent Newcastle disease is presented by Foundation President Paco Uzal, with emphasis on those lesions that are pathognomonic for the disease and which are used as a screening to call a case compatible or not-compatible with vND. (You know we have had a low-grade outbreak in California for several years now, right?) This lecture is available on the Foundation Facebook page at: https://www.facebook.com/dr.bruce.williams/videos/10158657939327873/ <https://www.facebook.com/dr.bruce.williams/videos/10158657939327873/>, the Foundation YouTube channel at: https://youtu.be/gL3CK2DEkFI <https://youtu.be/gL3CK2DEkFI?fbclid=IwAR2wMxol9k6AMdQO43-s9FmKsnCrq3IB2dGix…> and as a Zoom webinar on demand at: https://us02web.zoom.us/rec/share/2vZZLYvwxlhIH7Pk723UWPF5NNSmeaa81yFK-vpfx… <https://us02web.zoom.us/rec/share/2vZZLYvwxlhIH7Pk723UWPF5NNSmeaa81yFK-vpfx…> ; Password: 5e=4qSMd

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Upcoming DTF/ACVP Virtual Day Seminar: Clinical pathology review.
by Francisco Uzal May 20, 2020

May 20, 2020

Dear all Please join us for a full day of clinical pathology with this great seminar sponsored by the DTF and ACVP, on Tuesday June 11. The talks by four outstanding speakers will be mostly tailored for anatomic pathologists, but there will be something of interest for everybody. Pre-registration is required (follow the link in the attached flyer). Looking forward to meeting everybody. Paco Uzal

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2020 Descriptive Veterinary Pathology Courses in Brazil and Argentina postponed
by Francisco Uzal May 20, 2020

May 20, 2020

Dear colleagues The Descriptive Veterinary Courses scheduled for December 2020 in Brazil and Argentina have been cancelled due COVID19. The Argentinean version of the course will be rescheduled for December 2021. For the time being there is no new date for the Brazilian version of the course. We will keep everybody updated. Stay safe Paco Uzal

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