[IV-B] 13. Immunology and Vaccines

Fri. Aug 31, 2018 10:45 AM - 12:30 PM Room C (Mid-sized Hall)

Geraldine Taylor (UK), Satoru Konnai (Japan)

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10:45 AM - 11:00 AM

[IV-05] **Relationship between hemorrhagic bowel syndrome and Clostridium perfringens type A a toxin**

〇Hajime KATO¹, Shigeru NATAO¹, Mamoru OHISHI¹, Reiichiro SATO², Hiroaki SATO³, Motoshi TAJIMA⁴ (1. Hokkaido Higashi Agricultural Mutual Aid Association., 2. Azabu Univ., 3. Kyoto Biken Laboraories,inc., 4. Rakuno Gakuen Univ.)

11:00 AM - 11:15 AM

[IV-06] In vitro and clinical study on antivirus activity of an anti-PD-L1 rat-bovine chimeric antibody against bovine leukemia virus infection

〇Naoya Maekawa¹, Asami Nishimori¹, Satoru Konnai¹, Tomohiro Okagawa¹, Ryoyo Ikebuchi¹, Shinya Goto¹, Yamato Sajiki¹, Yasuhiko Suzuki^2,3, Junko Kohara⁴, Satoshi Ogasawara⁵, Yukinari Kato⁵, Shiro Murata¹, Kazuhiko Ohashi¹ (1. Graduate School of Veterinary Medicine, Hokkaido Univ., 2. Research Center for Zoonosis Control, Hokkaido Univ., 3. GI-CoRE, Hokkaido Univ., 4. Agricultural Research Department, Hokkaido Research Organization, 5. Graduate School of Medicine, Tohoku Univ.)

11:15 AM - 11:30 AM

[IV-07] Overcoming T-cell exhaustion in chronic infections of cattle: a pilot clinical study of anti-PD-1 immunotherapy in bovine leukemia virus infection

〇Tomohiro Okagawa¹, Satoru Konnai¹, Naoya Maekawa¹, Shinya Goto¹, Yamato Sajiki¹, Junko Kohara², Yukinari Kato³, Yasuhiko Suzuki⁴, Shiro Murata¹, Kazuhiko Ohashi¹ , (1. Faculty of Veterinary Medicine, Hokkaido University, 2. Animal Research Center, Hokkaido Research Organization, 3. Tohoku University Graduate School of Medicine, 4. Research Center for Zoonosis Control, Hokkaido University)

11:30 AM - 11:45 AM

[IV-08] A STUDY TO COMPARE SEROLOGICAL RESPONSE TO VACCINATION WITH AN INACTIVATED BOVINE RESPIRATORY DISEASE VACCINE GIVEN AT VARIOUS INTER-VACCINATION INTERVALS

Damian O'Brien¹, Geert Vertenten², 〇Carl-Christian Gelfert³ (1. MSD Animal Health, 26 Talavera Rd, Macquarie Park NSW, 1670, Australia, 2. MSD Animal Health, Boxmeer, The Netherlands, 3. MSD Animal Health, Vienna, Austria)

11:45 AM - 12:00 PM

[IV-09] Mucosal Immune Response in Young Calves Following Intranasal Administration of Bovine Coronavirus, Modified Live Vaccine

〇Kevin Hill¹, Jan Gawthrop², Philip Griebel³, Chris Thomsen¹, Geert Vertenten⁴, Scott Nordstrom¹ (1. MSD Animal Health, Desoto, KS, USA, 2. 11937 North State Road 13 North Manchester, Indiana 46962, USA, 3. VIDO-Intervac University of Saskatchewan 120 Veterinary Road Saskatoon, SK, Canada S7N 5E3, 4. MSD Animal Health, Boxmeer, The Netherlands)

12:00 PM - 12:15 PM

[IV-10] Stimulation of passive immunity by vaccination of dry cows with a multivalent inactivated respiratory vaccine.

E. Soranzo¹, D. Dalle Palle², C. Sandonà¹, L. Tripepi¹, Andrea Bassini³, E. Schiavon¹, 〇Geert Vertenten⁴ (1. Istituto Zooprofilattico Sperimentale delle Venezie, Italy, 2. Medico veterinario libero professionista, Italy, 3. MSD Animal Health, Milano, Italy, 4. MSD Animal Health, Boxmeer, The Netherlands)