Research field (2)：
Statistical science
, Veterinary medicine
Research theme for competitive and other funds (1)：
2008 - 2012 Claw lesions in female pigs associated with culling risk, behavior, and reproductive performance on commercial farms
Papers (188)：
Yuzo Koketsu, Ryosuke Iida, Carlos Piñeiro. Five risk factors and their interactions of probability for a sow in breeding herds having a piglet death during days 0-1, 2-8 and 9-28 days of lactation. Porcine Health Management. 2021. 7. 1. 50
Yuzo Koketsu, Ryosuke Iida, Carlos Piñeiro. A 10-year trend in piglet pre-weaning mortality in breeding herds associated with sow herd size and number of piglets born alive. Porcine Health Management. 2021. 7. 1. 4
Ryosuke Iida, Carlos Piñeiro, Yuzo Koketsu. Timing and temperature thresholds of heat stress effects on fertility performance of different parity sows in Spanish herds. Journal of Animal Science. 2021. 99. 7. 1-11
Yuzo Koketsu, Ryosuke Iida, Carlos Piñeiro. Increased age at first-mating interacting with herd size or herd productivity decreases longevity and lifetime reproductive efficiency of sows in breeding herds. Porcine Health Management. 2020. 6. 1
Yuzo Koketsu, Ryosuke Iida. Farm data analysis for lifetime performance components of sows and their predictors in breeding herds. Porcine Health Management. 2020. 6. 1. 24
Incidence of uterine, vaginal and rectal prolapse in Spanish breeding pig herds
(International Symposium of Veterinary Epidemiology and Economics 2018)
Factors affecting an occurrence of a hypo-prolific sow in Brazilian breeding swine herds
(International Symposium of Veterinary Epidemiology and Economics 2018)
A ten-year trend in piglet death occurrences in early, mid or late lactation on Spanish farms
(International Symposium of Veterinary Epidemiology and Economics 2018)
Incidence of uterine, vaginal and rectal prolapse in Spanish breeding pig herds
(European Symposium of Domestic Animal Reproduction 2018)
A comparison of subsequent reproductive performance and lifetime performance between nurse sows and non-nurse sows at different parities in Spanish pig herds
(European Symposium of Domestic Animal Reproduction 2018)
1989 - 1994 University of Minnesota College of Veterinary Medicine
Professional career (4)：
Ph. D. ("University of Minnesota, U.S.A.")
M.VSci (Osaka Prefecture University)
B.VSci (Obihiro University of Agriculture and Veterinary Medicine)
Ph. D. ("University of Minnesota, U.S.A.")
Work history (2)：
2000/04 - 現在 Meiji University School of Agriculture Professor
1989 - 2000/03 University of Minnesota College of Veterinary Medicine
Committee career (6)：
2003 - 2015 The Japan Society of Veterinary Epidemiology 副会長
2001 - 2015 The Japan Society of Veterinary Epidemiology 理事
2003 - 2003 Japanese Society in Pig Diseases 幹事
2001 - 2003 Kanto Society of Animal Science 常任理事
2001 - 2003 常任理事
2002 - 2002 Japanese Society of Swine Science 評議員
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Awards (3)：
2013/03 - 2012年度日本獣医疫学会論文賞
2011/03 - 2010年度日本獣医疫学会論文賞
2000 - The Horizon Award of PigCHAMP,St.Paul,Minnesota,USA
Association Membership(s) (9)：
The Japan Society of Veterinary Epidemiology
, Kanto Society of Animal Science
, Japanese Society of Veterinary Science
, Japanese Society of Swine Science
, Japanese Society in Pig Diseases
, Conefrence of Research Workers in Animal Diseases
, Association for Veterinary Epidemiology and Preventive Medicine
, American Society of Swine Veterinarians
, American Society of Animal Science
