ANZAI Hiroki

写真a

Affiliation

Faculty of Agriculture Department of Animal and Grassland Sciences

Title

Associate Professor

External Link

Degree 【 display / non-display

  • 博士(農学) ( 2016.3   京都大学 )

  • 修士(農学) ( 2013.3   京都大学 )

Research Interests 【 display / non-display

  • Behavior

  • Grazing

Research Areas 【 display / non-display

  • Life Science / Animal production science

  • Environmental Science/Agriculture Science / Agricultural environmental engineering and agricultural information engineering

Education 【 display / non-display

  • Kyoto University   Graduate School, Division of Agriculture

    - 2016.3

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    Country:Japan

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  • Kyoto University   Graduate School, Division of Agriculture

    - 2013.3

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    Country:Japan

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  • Kyoto University   Faculty of Agriculture

    - 2011.3

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    Country:Japan

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Campus Career 【 display / non-display

  • University of Miyazaki   Faculty of Agriculture   Department of Animal and Grassland Sciences   Associate Professor

    2024.03 - Now

  • University of Miyazaki   Faculty of Agriculture   Department of Animal and Grassland Sciences   Assistant Professor

    2017.07 - 2024.02

Professional Memberships 【 display / non-display

  • 全国放牧畜産ネットワーク協議会

    2020.4

  • 畜産システム研究会

    2019.4

  • 日本畜産学会

  • 日本草地学会

  • システム農学会

 

Papers 【 display / non-display

  • Effects of continuous drone herding on behavioral response and spatial distribution of grazing cattle Reviewed International journal

    Anzai H., Kumaishi M.

    Applied Animal Behaviour Science   268   2023.11

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Applied Animal Behaviour Science  

    Robotic herding is expected to become a new technology for the management of grazing animals. We investigated the behavioral responses of cows to drone herding on consecutive days and the potential of this technology to manipulate grazing distribution in a pasture. A herd of ∼30 cows was stocked in a 1.1-ha pasture for 5 consecutive days each month from May to October 2022. The cows were herded using a drone for 10 days during the grazing period in August (days 1–5) and September (days 6–10). The pasture was divided into nine plots, with two and three plots assigned as the ‘herding area’ in August and September, respectively. When the cows were grazing in the herding area, the operator maneuvered the drone to move the animals out of the area. The drone first approached at an altitude of 10 m; if the cows did not move away, the altitude was gradually lowered to 3 m. The behavioral responses to the drone, success or failure of herding (whether the cows left the area or not), and drone altitude were classified based on videos recorded during herding. The behavior and location of the cows in the pasture were observed during this period. The utilization rates of the plots (percentage of grazing time) were calculated to evaluate the effects of herding and the number of herding days. The cows responded in 59% and 46% of the cases on days 1 and 2, respectively. Startle behavior was recorded in 23% of the responses on day 1. Herding was successful in 51–75% of the cases on days 1–3. However, these percentages decreased thereafter. The utilization rate of the herding area on day 1 was approximately half that on days without herding. It increased from day 2, and almost no effect on grazing distribution was observed on or after day 3. These findings suggest that the cows exhibited little fear of drones after 1-day herding, and responses to the drones decreased as the animals subsequently became habituated to frequently repeated stimuli. Even after a 24-day interval, responsiveness to drone herding barely recovered and then declined. Therefore, drone herding was hardly effective in manipulating grazing distribution. Further investigation of stimulation that persistently elicits desirable responses is needed for future applications in technologies for the autonomous control of animal movement.

    DOI: 10.1016/j.applanim.2023.106089

    Scopus

    Other Link: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85174696725&origin=inward

  • Preliminary study on the application of robotic herding to manipulation of grazing distribution: Behavioral response of cattle to herding by an unmanned vehicle and its manipulation performance Reviewed

    Hiroki Anzai, Hina Sakurai

    Applied Animal Behaviour Science   256   105751   2022.10

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.applanim.2022.105751

    Scopus

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  • Let’s Classify the Distribution Pattern of Pasture Botanical Composition to Understand the Spatial Distribution of Grazing Cattle! Reviewed

    Anzai Hiroki

    Japanese Journal of Grassland Science   67 ( 4 )   204 - 208   2022.4

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japanese Society of Grassland Science  

    DOI: 10.14941/grass.67.204

    CiNii Research

  • Shift in management strategy of yak herding in the south of Mustang District, Nepal, Himalaya Reviewed International coauthorship

    Anzai H, Shah MK, Kumagai H.

    Proceedings of the XXIV International Grassland Congress / XI International Rangeland Congress   2021.10

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

  • Interindividual differences and their consistency in grazing cattle behavior across seasons Reviewed

    Anzai H, Shitajikkoku M, Hani K, Yamada N, Hirata M.

    Proceedings of the XXIV International Grassland Congress / XI International Rangeland Congress   2021.10

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

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Books 【 display / non-display

MISC 【 display / non-display

  • 乳牛の暑熱対策に関する研究事例紹介 Invited

    安在弘樹

    臨床獣医   42 ( 5 )   20 - 23   2024.5

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)  

  • 九州における放牧酪農の現状と課題

    宮嵜宥佳・安在弘樹

    放牧通信   ( 17 )   2021.7

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    Authorship:Last author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)  

  • ネパールにおけるヤクの飼養 Invited

    熊谷元,安在弘樹

    農業   ( 1589 )   60 - 64   2014.9

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)   Publisher:大日本農会  

Presentations 【 display / non-display

  • Effect of successive drone herding on behaviour and spatial distribution of grazing cattle International conference

    H. Anzai and M. Kumaishi

    The EAAP 74th Annual Congress  (Lyon, France)  2023.8.29 

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    Event date: 2023.8.28 - 2023.9.1

    Language:English   Presentation type:Poster presentation  

    Venue:Lyon, France  

  • ドローンによる牛追いが放牧牛の行動と空間分布に及ぼす影響

    安在弘樹, 熊石万紘

    2023年度日本草地学会札幌大会  2023.3.28 

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    Event date: 2023.3.26 - 2023.3.28

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 放牧家畜の空間分布を遠隔制御する新たな技術の開発に関する予備研究:無人車両によるherdingに対するウシの行動反応とその制御性能

    安在弘樹, 櫻井ひな

    2022年度日本草地学会岩手大会  2022.3  日本草地学会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Interindividual differences and their consistency in grazing cattle behavior across seasons International conference

    Anzai H, Shitajikkoku M, Hani K, Yamada N, Hirata M.

    The Joint International Grassland and International Rangeland Congress 2021  2021.10 

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    Event date: 2021.10.23 - 2021.10.29

    Language:English   Presentation type:Poster presentation  

  • Shift in management strategy of yak herding in the south of Mustang District, Nepal, Himalaya International coauthorship International conference

    Anzai H, Shah MK, Kumagai H.

    The Joint International Grassland and International Rangeland Congress 2021  2021.10 

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    Event date: 2021.10.23 - 2021.10.29

    Language:English   Presentation type:Oral presentation (general)  

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Awards 【 display / non-display

  • 日本畜産学会奨励賞

    2018.3   日本畜産学会   フィールド調査を軸としたアジアにおける家畜生産システムに関する研究

    安在弘樹

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    Award type:Honored in official journal of a scientific society, scientific journal  Country:Japan

  • 第49回国際応用動物行動学会大会 Student Poster Competition, The Best Presentation Award

    2015.9   国際応用動物行動学会   Selectivity for rangeland characteristics by grazing yaks in Western Nepal, Himalaya

    Anzai H

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    Award type:Award from international society, conference, symposium, etc.  Country:Japan

  • 第16回AAAP大会プレゼンテーションアワード

    2014.10   日本畜産学会   Use of GPS and GIS for estimating grazing pattern of yak in western Nepal, Himalaya

    安在弘樹

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    Award type:Award from international society, conference, symposium, etc.  Country:Japan

Grant-in-Aid for Scientific Research 【 display / non-display

  • 放牧草地の採食分布を制御するロボットherding技術の開発に向けたフィールド研究

    Grant number:23K14047  2023.04 - 2026.03

    独立行政法人日本学術振興会  科学研究費基金  若手研究

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    Authorship:Principal investigator 

Available Technology 【 display / non-display

 

Committee Memberships 【 display / non-display

  • 日本草地学会   和文誌編集委員  

    2023.4   

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    Committee type:学協会

  • 日本草地学会   英文誌編集幹事  

    2023.4   

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    Committee type:学協会

  • システム農学   企画委員  

    2021.6   

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    Committee type:学協会

  • 日本草地学会   和文誌A編集幹事  

    2021.4 - 2023.3   

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    Committee type:学協会

  • 日本草地学会   学会賞推薦委員  

    2021.4 - 2022.3   

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    Committee type:学協会

Social Activities 【 display / non-display

  • 放牧牛の行動に関する研究紹介 ―暑熱対策と空間分布制御について―

    Role(s): Appearance, Panelist

    コープ九州  コープ九州グラスファーミングオンラインミーティング  2022.7.11

Media Coverage 【 display / non-display