鹿児島大学 · 農水産獣医学域獣医学系 · 特任教授

研究キーワードanimal welfare assessment・sheep and goat behavior・alfalfa feeding・beef cattle energy balance・Mongolian pastoral systems

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• Wondimagegne Bekele, Abiy Zegeye, Addis Simachew, Nobuyuki Kobayashi . Effect of best bet methane abatement feed on feed intake, digestibility, live weight change, and methane emission in loca2025 · 記述言語： 英語 掲載種別： 研究論文（学術雑誌） DOI： 10.3389/fvets.2025.1538758 機関リポジトリURL
• 苗川 博史, MYAKHDADAG Batarchingin, 小林 伸行 . モンゴル夏営地における羊・山羊母子間の福祉評価につながる音声と行動 . 日本緬羊研究会誌2021 ( 58 ) 1 - 8 2021年12月 詳細を見る 記述言語2021 · 記述言語： 日本語 出版者・発行元： 日本緬羊研究会 <p>本研究は，放牧中に羊および山羊母子がそれぞれ分離した状態の音声と行動について，家畜福祉評価に必要な客観的指標となりうるポジティブやネガティブな発声と思われる場面を考察するため，モンゴル夏営地における羊および山羊母子間の音声と行動の意義について検討した。</p><p>分離時における発声は，母子羊と子山羊が移動時と食草移動時に，母山羊は移動時と休息時に共通して観察された。羊・山羊母子間の移動時における発声時間は，子に比べ母の方が有意に長かった（P＜0.05）。また，羊母子間の食草・移動時における発声時間は，子に比べ母の方が有意に長かった（P＜0.05）。羊母子間の音圧は，移動時において子に比べ母の方が有意に高く（P＜0.05），食草・移動時と休息時においてはいずれも母に比べ子の方が有意に高かった（P＜0.05）。</p><p>羊・山羊母子間の分離時に発声後，双方が遭遇してから授乳および吸乳行動に至る音声には，それぞれ基本周波数とホルマントおよび音圧に，それぞれ特徴が見られた。これら授乳・吸乳時と非授乳・吸乳時に大別したときに表示される，発声持続時間と音の高さおよび強さの成分が，情動場面を考える上で，重要な要素となりうることを示すものであった。</p><p>とくに，羊・山羊のポジティブな発声時間は短いこと，基本周波数やホルマントの変動が少ないことが示された。ネガティブな発声には，発声時間が長い傾向にあり，基本周波数やホルマントに変動が見られたことで識別が可能であった。</p> DOI： 10.11595/jpnjsheepsci.2021.58_1
• Walie M., Tegegne F., Mekuriaw Y., Tsunekawa A., Kobayashi N., Ichinohe T., Haregeweyn N., Tassew A., Mekuriaw S., Masunaga T., Okuro T., Tsubo M., Meshesha D.T., Adgo E., Mulualem T. . Biomas2019 · 記述言語： 英語 掲載種別： 研究論文（学術雑誌） 出版者・発行元： Rangeland Ecology and Management Grazing land remains the major feed source for livestock for smallholder farmers in Ethiopia; however, its productivity is low and it is prone to degradation. A field experiment was conducted to evaluate the effects of farmyard manure (FYM) and enrichment planting with improved forages on biomass yield, nutritional value, and soil chemical properties in dryland areas of northwestern Ethiopia. The experiment was carried out using a randomized complete block design with three replications for 2 yr. Natural pasture plots were seeded and treated with Napier grass (Pennisetum purpureum) or desho grass (Pennisetum pedicellatum), Napier or desho + FYM, Napier or desho + Desmodium, and Napier or desho + FYM + Desmodium; untreated plots were used as controls. In the yr 2019, after treatment application the overall herbaceous species identified in the experimental plots were grasses (64%), legumes (22%), and forbs (14%). In all treatment groups, legumes dominate in the first yr while grasses dominate in the second yr. Within treatment groups, dry matter yield (DMY) increment was recorded from the first yr to the second yr, by values ranging from 2.9% to 23.0%. The mean DMY in the desho + FYM + Desmodium uncinatum plots (8.4 t ha−1) was higher (P < 0.001) than controls (4.4 t ha−1). Natural pasture treated with Napier or desho in conjunction with either Desmodium or FYM and their combinations had a higher crude protein content (P < 0.001) than natural pasture alone despite the fact that in vitro organic matter digestibility was higher in desho grass when combined with desmodium or FYM treatments. Plots treated with Napier + FYM, Napier + Desmodium, and desho + Desmodium + FYM showed organic carbon levels that were significantly (P < 0.001) higher than the controls. Overall, desho + FYM + Desmodium produced the greatest improvement in grazing land productivity by maintaining soil fertility. DOI： 10.1016/j.rama.2023.03.001 Web of Science Scopus
• Haruka Aoto, Chika Tanimura, Abir Majbauddin, Nobuyuki Kobayashi, Tetsuji Morita, Kazuoki Inoue, Shinji Otani, Mika Fukada, Keiichi Hanaki . A Conceptual Model for Quality of Life Among2019 · 記述言語： 英語 掲載種別： 研究論文（学術雑誌） 出版者・発行元： TOTTORI UNIV MEDICAL PRESS Background The increased prevalence of chronic diseases is a social issue in developing countries.Methods To create a conceptual model representing the quality of life of low-income people with type 2 diabetes in the Philippines, 117 low-income adult participants in a public support group were studied, and the Physical Component Summary (PCS) and Mental Component Summary (MCS) scores on quality of life (QOL) were analyzed in terms of their relationships with the following factors: basic attributes, physical factors (glycated hemoglobin level, complications, comorbidities, and symptoms), social factors (support, education, and financial status), and cognitive factors (knowledge, attitude, self-efficacy, and self-management behavior).Results Based on correlation coefficients among variables and goodness-of-fit test results through a path analysis, 2 models representing causal relationships were created, both of which showed sufficient goodness-of-fit.Conclusion Glycated hemoglobin levels, knowledge of blood glucose levels, self-efficacy, and self-management behavior (exercise) influenced PCS scores, while age, glycated hemoglobin levels, neuropathy, knowledge of insulin, self-efficacy, and self-management behavior (exercise) influenced MCS scores. The influence of self-efficacy was prominent in both cases, providing an important insight for healthcare professionals to develop effective support methods. DOI： 10.33160/yam.2019.03.008 Web of Science

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