黒川勇三 (YUUZOU KUROKAWA) - マイポータル

基本情報

所属: 広島大学

研究者番号: 00234592
J-GLOBAL ID: 200901081544282849
researchmap会員ID: 1000243184

乳牛の生産寿命（泌乳開始から除籍までの期間の長さ）の改善を目的として、血液中抗酸化物質（ビタミンCなど）濃度と、乳房炎発症率や初産分娩月齢などの、疾病や繁殖指標との関連性に関する研究を行っている。

研究キーワード

論文

The Relationships Between Two Types of Social Networks and the Milk Production of Dairy Cows Maintained With an Automatic Milking System

Masaki Shiraishi, Naoki Suzuki, Yuzo Kurokawa, Taketo Obitsu

Animal Science Journal 2025年11月3日査読有り
Vitamin B6 Status Assessed by Plasma Vitamers and Homocysteine in Lactating Dairy Cows and Its Relationship to Rumen Fermentation, Plasma Metabolites, and Milk Production in Different Environmental Conditions

Prombood, Suttida, Obitsu, Taketo, Gaspe, R-Jun Frederick Avelino, Sugino, Toshihisa, Kurokawa, Yuzou, Kumrungsee, Thanutchaporn

ANIMAL SCIENCE JOURNAL 96(1) 2025年7月22日査読有り
Association of iron-acquisition-related genes and milk lactoferrin concentration with the growth of Escherichia coli and Klebsiella pneumoniae in milk of dairy cows

Furukido, Rin, Tsuka, Takeshi, Kurokawa, Yuzo, Isobe, Naoki, Suzuki, Naoki

MICROBIAL PATHOGENESIS 200 2025年3月査読有り
Effects of cashew nutshell liquid on milk production and methane emission of dairy cows in a farm condition

Gaspe, R-Jun Frederick Avelino, Obitsu, Taketo, Sugino, Toshihisa, Kurokawa, Yuzo, Kuroki, Yuma

ANIMAL SCIENCE JOURNAL 95(1) 2024年1月査読有り
Changes of photosynthetic pigments and phytol content at different levels of nitrogen fertilizer in Italian ryegrass fresh herbage and hay

68 53-59 2022年1月9日査読有り
Effect of relationships among clinical mastitis incidence, reproductive performance, and culling rate on the lifetime of dairy cows at Hiroshima University Farm

Kurokawa, Yuzo, Okita, Miki, Kubota, Hirokazu, Tsumiyama, Yoshimasa, Chikamatsu, Ichiro, Tanaka, Akiyoshi, Obitsu, Taketo, Kawamura, Kensuke

ANIMAL SCIENCE JOURNAL 92(1) 2021年12月査読有り
Effect of phytol in forage on phytanic acid content in cow's milk

Lv, Renlong, Elsabagh, Mabrouk, Obitsu, Taketo, Sugino, Toshihisa, Kurokawa, Yuzo

ANIMAL BIOSCIENCE 34(10) 1616-1622 2021年10月査読有り
Effect of Saccharomyces cerevisiae Fermentation Producton Ruminal Fermentation, Blood Metabolites, and MilkProduction in Dairy Cows

JARQ 55(3) 265-271 2021年7月1日査読有り
DiscriminatingPennisetum alopecuoidesplants in a grazed pasture from unmanned aerial vehicles using object-based image analysis and random forest classifier

Yuba, Norio, Kawamura, Kensuke, Yasuda, Taisuke, Lim, Jihyun, Yoshitoshi, Rena, Watanabe, Nariyasu, Kurokawa, Yuzo, Maeda, Teruo

GRASSLAND SCIENCE 67(1) 73-82 2021年1月査読有り
Counting of Pennisetum alopecuroides at heading stage in a grazed pasture using images from an unmanned aerial vehicle

Yuba, Norio, Kawamura, Kensuke, Yasuda, Taisuke, Lim, Jihyun, Yoshitosh, Rena, Kurokawa, Yuzo, Maeda, Teruo

GRASSLAND SCIENCE 66(4) 285-292 2020年10月査読有り
広島大学農場における乳牛の分娩間隔が乳生産に及ぼす影響

黒川勇三・森久史・沖田美紀・窪田浩和・田中明良・近松一朗・積山嘉昌・小櫃剛人・川村健介

日本畜産学会報 90(2) 111-120 2019年査読有り
Low-cost visible and near-infrared camera on an unmanned aerial vehicle for assessing the herbage biomass and leaf area index in an Italian ryegrass field

Fan, Xinyan, Kawamura, Kensuke, Xuan, Tran Dang, Yuba, Norio, Lim, Jihyun, Yoshitoshi, Rena, Truong Ngoc Minh, Kurokawa, Yuzo, Obitsu, Taketo

GRASSLAND SCIENCE 64(2) 145-150 2018年4月査読有り
A simple visible and near-infrared (V-NIR) camera system for monitoring the leaf area index and growth stage of Italian ryegrass

Fan, Xinyan, Kawamura, Kensuke, Guo, Wei, Xuan, Tran Dang, Lim, Jihyun, Yuba, Norio, Kurokawa, Yuzo, Obitsu, Taketo, Lv, Renlong, Tsumiyama, Yoshimasa …

COMPUTERS AND ELECTRONICS IN AGRICULTURE 144 314-323 2018年1月査読有り
Effects of nitrogen fertilizer and harvesting stage on photosynthetic pigments and phytol contents of Italian ryegrass silage

Lv, Renlong, El-Sabagh, Mabrouk, Obitsu, Taketo, Sugino, Toshihisa, Kurokawa, Yuzo, Kawamura, Kensuke

ANIMAL SCIENCE JOURNAL 88(10) 1513-1522 2017年10月査読有り
A comparison of plasma glucose and oxidative status in lactating dairy cows in summer and autumn

Yuzo KUROKAWA, Rina YAMASHITA, Miki OKITA, Rena YOSHITOSHI, Toshihisa SUGINO, Taketo OBITSU and Kensuke KAWAMURA

Animal Science Journal 87(10) 1212-1217 2016年1月21日査読有り
Spring growth stage detection in Italian ryegrass field using a ground-based camera system

Fan, Xinyan, Kawamura, Kensuke, Lim, Jihyun, Yoshitoshi, Rena, Yuba, Norio, Lee, Hyo-Jin, Kurokawa, Yuzo, Tsumiyama, Yoshimasa

GRASSLAND SCIENCE 62(3) 188-193 2016年査読有り
夏季暑熱が低密度飼養乳牛の飼料摂取行動、休息行動、自動搾乳システム訪問に及ぼす影響

沖田美紀・古川平哲・山下莉奈・爾見知保・豊後貴嗣・黒川勇三

Animal Behaviour and Management 51(3) 73-80 2015年10月17日査読有り
Evaluating a hand-held crop-measuring device for estimating the herbage biomass, leaf area index and crude protein content in an Italian ryegrass field

Lim, Jihyun, Kawamura, Kensuke, Lee, Hyo-Jin, Yoshitoshi, Rena, Kurokawa, Yuzo, Tsumiyama, Yoshimasa, Watanabe, Nariyasu

GRASSLAND SCIENCE 61(2) 101-108 2015年査読有り
Milk production, plasma metabolite profiles and mammary arterial-venous differences of milk precursors in early lactation cows milked at different frequencies by an automatic milking system

Astuti, Andriyani, Obitsu, Taketo, Sugino, Toshihisa, Taniguchi, Kohzo, Okita, Miki, Kurokawa, Yuzo

ANIMAL SCIENCE JOURNAL 86(5) 499-507 2015年査読有り
A preliminarily study for predicting body weight and milk properties in lactating Holstein cows using a three-dimensional camera system

Kuzuhara, Yukako, Kawamura, Kensuke, Yoshitoshi, Rena, Tamaki, Toru, Sugai, Shun, Ikegami, Mai, Kurokawa, Yuzo, Obitsu, Taketo, Okita, Miki, Sugino, Toshihisa et al.

COMPUTERS AND ELECTRONICS IN AGRICULTURE 111 186-193 2015年査読有り

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黒川勇三

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