Basic Information

Faculty

• Faculty of Agriculture

Email Address

• Email Address

  tsukahara.yoko.8vkyoto-u.ac.jp

Professional Memberships

• From Sep. 2023, To Present

  日本緬羊研究会
• From Sep. 2023, To Present

  Kansai Animal Science Society
• From Sep. 2011, To Present

  American Society of Animal Science
• From Sep. 2008, To Present

  International Goat Association
• From Sep. 2006, To Present

  Japanese Society of Animal Science
• From Sep. 2005, To Present

  日本山羊研究会

Academic Degree

• 24 Mar. 2008

  M.S. Agricultural Science
• 23 Mar. 2011

  Ph.D. Agricultural Science

Academic Resume (Graduate Schools)

• Kyoto University, Graduate School of Agriculture, Applied Biosciences, Completed
• 京都大学, Graduate School of Agriculture, Applied Biosciences, Completed

Academic Resume (Undergraduate School/Majors)

• Kagoshima University, Agriculture, Animal Science, Completed

High School

• High School

  Aichi Prefectural Meiwa High School

ID,URL

• ORCID ID

  0000-0002-2576-8847

• J-Global ID

  202301000427748659

• Researcher number

  10958432

researchmap URL

• https://researchmap.jp/yoko3t_goatpro

Research

Research Interests

• Multidisciplinary research on livestock production

Research Areas

• Life sciences, Animal production science

Papers

• Dampwood Termite Hodotermopsis sjostedti as a Dietary Source for Broiler Chickens.

  Yoko Tsukahara; Nami Tomonaga; Eisuke Tasaki; Yuki Mitaka; Shozo Tomonaga; Hajime Kumagai; Hiroyuki Hirooka; Kenji Matsuura

  The journal of poultry science, 2026

  
• 

  Japanese consumersʼ human values and consciousness factors influencing their willingness to eat eggs from termite-fed layer chickens

  Soichiro NAKAMURA; Yoko TSUKAHARA; Yosuke CHOMEI; Hajime KUMAGAI; Hiroyuki HIROOKA

  Nihon Chikusan Gakkaiho, May 2024, Peer-reviewed

  
• Prediction of associative effects between forages and supplements in goats

  Yoko Tsukahara; Terry A. Gipson; Ryszard Puchala; Arthur L. Goetsch

  Small Ruminant Research, Apr. 2024, Peer-reviewed, Invited, Lead author

  Access this paper :

  
• Japanese consumers’ attribute influencing willingness to eat and willingness to pay for meat or eggs from termite-fed chickens

  Soichiro NAKAMURA; Yoko TSUKAHARA; Yosuke CHOMEI; Hajime KUMAGAI; Hiroyuki HIROOKA

  The Japanese AgriculturalSystems Society, Sep. 2023, Peer-reviewed

  
• Genetic Markers for Resistance to Gastrointestinal Parasites in Sheep and Goats from the Southern Region of the United States

  Zaira Magdalena Estrada Reyes; Yoko Tsukahara; Arthur L. Goetsch; Terry A. Gipson; Tilahun Sahlu; Ryszard Puchala; Raluca G. Mateescu

  EDIS, 08 Feb. 2022

  
• Genetic Selection for Resistance to Gastrointestinal Parasitism in Meat Goats and Hair Sheep through a Performance Test with Artificial Infection of Haemonchus contortus

  Yoko Tsukahara; Terry A. Gipson; Steven P. Hart; Lionel Dawson; Zaisen Wang; Ryszard Puchala; Tilahun Sahlu; Arthur Goetsch

  Animals, 26 Jun. 2021, Lead author

  
• Signatures of selection for resistance to Haemonchus contortus in sheep and goats

  Zaira M. Estrada-Reyes; Yoko Tsukahara; Rodrigo R. Amadeu; Arthur L. Goetsch; Terry A. Gipson; Tilahun Sahlu; Richard Puchala; Zaisen Wang; Steve P. Hart; Raluca G. Mateescu

  BMC Genomics, 15 Oct. 2019, Peer-reviewed

  
• Association analysis of immune response loci related to Haemonchus contortus exposure in sheep and goats using a targeted approach

  Zaira M. Estrada-Reyes; Yoko Tsukahara; Arthur L. Goetsch; Terry A. Gipson; Tilahun Sahlu; Ryszard Puchala; Raluca G. Mateescu

  Livestock Science, Oct. 2019, Peer-reviewed

  
• Across and within breed differences in the relationship between packed cell volume and fecal egg count in growing meat goat and hair sheep males naturally and artificially infected with gastrointestinal nematodes

  Y. Tsukahara; T.A. Gipson; S.P. Hart; L.J. Dawson; Z. Wang; R. Puchala; T. Sahlu; A.L. Goetsch

  Veterinary Parasitology: Regional Studies and Reports, Aug. 2019

  
• Effects of level of brackish water and salinity on feed intake, digestion, heat energy, ruminal fluid characteristics, and blood constituent levels in growing Boer goat wethers and mature Boer goat and Katahdin sheep wethers

  H. Yirga; R. Puchala; Y. Tsukahara; K. Tesfai; T. Sahlu; U.L. Mengistu; A.L. Goetsch

  Small Ruminant Research, Jul. 2018

  
• Effect of Ovar-DRA and Ovar-DRB1 genotype in small ruminants with haemonchosis

  Zaira M. Estrada-Reyes; Yoko Tsukahara; Arthur L. Goetsch; Terry A. Gipson; Tilahun Sahlu; Ryszard Puchala; Zaisen Wang; Steve P. Har; Raluca G. Mateescu

  Parasite Immunology, Jun. 2018, Peer-reviewed

  
• Case Study: An assessment of anthelmintic resistance through in vivo fecal egg count reduction test and in vitro egg hatch test on small ruminant farms in the southcentral United States

  Y. Tsukahara; Z. Wang; T.A. Gipson; S.P. Hart; L.J. Dawson; R. Puchala; T. Sahlu; A.L. Goetsch

  The Professional Animal Scientist, Oct. 2017

  
• Effects of pasture access regime on performance, grazing behavior, and energy utilization by Alpine goats in early and mid-lactation

  A. Keli; L.P.S. Ribeiro; T.A. Gipson; R. Puchala; K. Tesfai; Y. Tsukahara; T. Sahlu; A.L. Goetsch

  Small Ruminant Research, 16 Jul. 2017, Peer-reviewed

  
• Technical Note: Behavior effects of mixing different breeds to evaluate electric fence strand additions to barbed wire fence to contain mature and growing meat goats

  Y. Tsukahara; R. Puchala; J. Hayes; T. A. Gipson; T. Sahlu; A. L. Goetsch

  The Professional Animal Scientist, Dec. 2016, Peer-reviewed, Lead author

  
• Effects of level of brackish water on feed intake, digestion, heat energy, and blood constituents of growing Boer and Spanish goat wethers.

  Yoko Tsukahara; Ryszard Puchala; Tilahun Sahlu; Arthur L. Goetsch

  Journal of animal science, 01 Sep. 2016, Peer-reviewed, Lead author

  
• Effects of method of conditioning on behavior of Boer and Spanish goats in pens with barbed wire and electric fence strands

  Y. Tsukahara; R. Puchala; J. Hayes; T.A. Gipson; T. Sahlu; A.L. Goetsch

  Small Ruminant Research, Apr. 2016

  
• Simple methods to estimate the maintenance feed requirement of small ruminants with different levels of feed restriction

  A. L. Goetsch; R. Puchala; A. T. Dolebo; T. A. Gipson; Y. Tsukahara; L. J.; Dawson

  Journal of Applied Animal Research, 05 Jan. 2016, Peer-reviewed

  
• Effects of the number of animals per automated feeder and length and time of access on feed intake, growth performance, and behavior of yearling Boer goat wethers

  Yoko Tsukahara; T.A. Gipson; R. Puchala; T. Sahlu; A.L. Goetsch

  Small Ruminant Research, Oct. 2014, Lead author

  
• Effects of conditions of an experimental model to evaluate methods of electric-fence strand addition to barbed-wire fence to contain goats.

  Yoko Tsukahara; G.D. Detweiler; T. Sahlu; T.A. Gipson; A.L. Goetsch

  Journal of animal science, 01 Sep. 2013, Peer-reviewed, Lead author

  
• Development and application of a crossbreeding simulation model for goat production systems in tropical regions1

  Yoko Tsukahara; Kazato Oishi; Hiroyuki, Hirooka

  Journal of Animal Science, 01 Dec. 2011, Peer-reviewed, Lead author

  
• Crossbreeding in goats: the utilization for growth, dairy, reproduction, and adaptation traits

  Yoko TSUKAHARA; Hiroyuki HIROOKA

  The Journal of Animal Genetics, 2009, Lead author

  
• Analysis of growth patterns in purebred Kambing Katjang goat and its crosses with the German Fawn

  Y. Tsukahara; Y. Chomei; K. Oishi; A.K. Kahi; J.M. Panandam; T.K. Mukherjee; H. Hirooka

  Small Ruminant Research, Nov. 2008, Peer-reviewed, Lead author

  
• Effect of parental genotypes and paternal heterosis on litter traits in crossbred goats.

  Yoko Tsukahara; Y. Choumei; K. Oishi; H. Kumagai; A.K. Kahi; J.M. Panandam; T.K. Mukherjee; H. Hirooka

  Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie, 01 Apr. 2008, Peer-reviewed, Lead author

  
• Initiation of the Simulate and Real Transportation Stress in the Goat

  Tin Myo NWE; Yoko TSUKAHARA; Masaharu MANDA; Shozo WATANABE

  Nihon Chikusan Gakkaiho, 23 Feb. 1994

  

Misc.

• ブロイラー雛の成長及び飼料摂取量におけるオオシロアリ(Hodotermopsis sjostedti)粉末添加の効果

  塚原洋子; 友永奈美; 田崎英祐; 三高雄希; 友永省三; 熊谷元; 広岡博之; 松浦健二

  関西畜産学会報, 2023

  
• シロアリを含む飼料を給与されたニワトリの鶏肉・鶏卵に対する消費者の喫食意思

  中村颯一郎; 塚原洋子; 長命洋佑; 熊谷元; 広岡博之

  関西畜産学会報, 2023

  
• 養鶏におけるシロアリの飼料化の可能性

  塚原洋子

  ペストコントロール, 2023

  
• シロアリを摂取したニワトリの鶏卵に対する喫食意思に影響を与える心理的要因について

  中村颯一郎; 塚原洋子; 長命洋佑; 熊谷元; 広岡博之

  日本畜産学会大会講演要旨, 2023

  
• 生産末期の採卵鶏におけるオオシロアリ粉末添加の効果

  塚原洋子; 西田圭佑; 熊谷元; 友永省三; 広岡博之; 松浦健二

  日本畜産学会大会講演要旨, 2023

  
• 養鶏飼料におけるタンパク源の代替としてのシロアリの可能性

  塚原洋子; 友永奈美; 田崎英祐; 三高雄希; 友永省三; 熊谷元; 広岡博之; 松浦健二

  日本畜産学会大会講演要旨, 2022

  
• シロアリを摂取したニワトリの鶏肉,鶏卵に対する喫食意思および支払意思額

  中村颯一郎; 塚原洋子; 長命洋佑; 熊谷元; 広岡博之

  システム農学会大会講演要旨集(CD-ROM), 2022

  

External funds: Kakenhi

• Longitudinal assessment of anthelmintic resistance in internal parasitism in small ruminants in Japan and development of unique countermeasures.

  Grant-in-Aid for Research Activity Start-up

  0605:Veterinary medical science, animal science, and related fields

  Kyoto University

  Yoko Tsukahara

  From 31 Aug. 2022, To 31 Mar. 2025, Project Closed

  ヤギ;ヒツジ;体内寄生虫;薬剤耐性;日本国内縦断的調査;持続的生産;内部寄生虫;国内縦断的調査;薬耐性;ヤギ・ヒツジ

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K20613/

Education

Teaching subject(s)

• From 01 Apr. 2026, To 31 Mar. 2027

  Seminar of Animal Husbandry Resources

  DF16, Spring, Graduate School of Agriculture, 1.5
• From 01 Apr. 2026, To 31 Mar. 2027

  Seminar of Animal Husbandry Resources

  DF16, Fall, Graduate School of Agriculture, 1.5
• From 01 Apr. 2026, To 31 Mar. 2027

  Laboratory Course in Animal Science II

  5363, Fall, Faculty of Agriculture, 6
• From 01 Apr. 2026, To 31 Mar. 2027

  Laboratory Course in Animal Science I

  5361, Spring, Faculty of Agriculture, 6
• From 01 Apr. 2026, To 31 Mar. 2027

  Laboratory Course of Animal Husbandry Resources

  DG16, Fall, Graduate School of Agriculture, 3
• From 01 Apr. 2026, To 31 Mar. 2027

  Laboratory Course of Animal Husbandry Resources

  DG16, Spring, Graduate School of Agriculture, 3
• From 01 Apr. 2026, To 31 Mar. 2027

  System Science for Animal Production

  DA31, Fall, Graduate School of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Introduction to Foreign Literature in Animal Science I

  5385, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Seminar for Applied Animal Science II

  5295, Year-long, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Seminar for Applied Animal Science I

  5293, Year-long, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Animal Science

  5699, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Animal Production Systems

  5212, Fall, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Animal Production

  5161, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Outline of Bioresource Science A

  5112, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2026, To 31 Mar. 2027

  Practical Course in Applied Animal Science II

  1046, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar of Animal Husbandry Resources

  DF16, Spring, Graduate School of Agriculture, 1.5
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar of Animal Husbandry Resources

  DF16, Fall, Graduate School of Agriculture, 1.5
• From 01 Apr. 2025, To 31 Mar. 2026

  Laboratory Course in Animal Science I

  5361, Spring, Faculty of Agriculture, 6
• From 01 Apr. 2025, To 31 Mar. 2026

  Laboratory Course in Animal Science II

  5363, Fall, Faculty of Agriculture, 6
• From 01 Apr. 2025, To 31 Mar. 2026

  Laboratory Course of Animal Husbandry Resources

  DG16, Fall, Graduate School of Agriculture, 3
• From 01 Apr. 2025, To 31 Mar. 2026

  Laboratory Course of Animal Husbandry Resources

  DG16, Spring, Graduate School of Agriculture, 3
• From 01 Apr. 2025, To 31 Mar. 2026

  Animal Science

  5699, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Animal Production

  5161, Spring, Faculty of Agriculture, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar of Animal Husbandry Resources

  DF16, Spring, Graduate School of Agriculture, 1.5
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar of Animal Husbandry Resources

  DF16, Fall, Graduate School of Agriculture, 1.5
• From 01 Apr. 2024, To 31 Mar. 2025

  Laboratory Course in Animal Science II

  5363, Fall, Faculty of Agriculture, 6
• From 01 Apr. 2024, To 31 Mar. 2025

  Laboratory Course in Animal Science I

  5361, Spring, Faculty of Agriculture, 6
• From 01 Apr. 2024, To 31 Mar. 2025

  Laboratory Course of Animal Husbandry Resources

  DG16, Spring, Graduate School of Agriculture, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Laboratory Course of Animal Husbandry Resources

  DG16, Fall, Graduate School of Agriculture, 3
• From 01 Apr. 2024, To 31 Mar. 2025

  Animal Science

  5699, Spring, Faculty of Agriculture, 2

Administration

Faculty management (title, position)

• From 01 Apr. 2026, To 31 Mar. 2027

  動物実験委員会　委員

Academic, Social Contribution

Committee Memberships

• From Nov. 2023, To Present

  Acting Executive Director, International Goat Association
• From Jun. 2021, To Present

  Secretary-Treasurer, International Goat Association
• From Sep. 2016, To Present

  Board of Directors, International Goat Association
• From Apr. 2013, To Mar. 2019

  Coordinator, Japan Goat Network
• From Nov. 2012, To Aug. 2016

  Country Representative for Japan, International Goat Association