University of the Ryukyus · Faculty of Agriculture · 助教

Research keywords反芻家畜・中枢性採食量調節機構・ヤギ用配合飼料・イヌ用ペットフード・食品製造副産物の利用・家畜脳生理学・家畜生理学

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• 配合飼料へのアロエベラの混合が嗜好性とヤギの栄養および内臓器官の代謝機能に及ぼす影響2023 · 長嶺 樹,渡谷真月,砂川勇人,酒井 宏
• Effects of the castration on the growth, meat production and odors in male goats2017 · Two experiments were conducted to clarify the effect of castration on meat quality and odor content. In experiment 1, twelve goats (crossbred of Japanese-Saanen/Nubian, 3-mo-old) were allocated into two groups (NCG: Non-castrated group, CG: Castrated group). Animals in the CG were castrated at 2.5-mo-old. Formulated feed and alfalfa hay cubes were fed twice daily (10:00 and 16:00 h). Kleingrass hay and water were fed ad libitum. Body weight was measured and body measurements were recorded monthly. At 12-month post-partum, animals were slaughtered to determine the carcass trait and loin characteristics. In experiment 2, eight goats (the above crossbred, 2-yr-old) were allocated into two groups. Animals were fed alfalfa hay cubes (10:00 h), formulated feed and Kleingrass hay (16:00 h). Water was fed ad libitum. The feed intake measurement was conducted daily. The odor intensity measurement of meat was executed. The weight of intra-abdominal fat in the CG was heavier (p<0.05) than the NCG. The concentrations of some functional compounds such as taurine in the CG were lower (p<0.05) than the NCG. The odor intensity in the CG was lower (p<0.05) than the NCG. It was elucidated that the castration of male goat resulted in lower quality of the meat and reduction of the peculiar odor.
• The Physiological Suppressing Factors of Dry Forage Intake and the Cause of Water Intake Following Dry Forage Feeding in Goats - A Review.2016 · Sunagawa K, Nagamine I
• Assessing Cooling Periods for Improving Milk Composition in Lactating Goats Exposed to a Hot, Humid Environment2015 · 砂川勝徳、長嶺樹、大城司、赤嶺雅敏、山本さつき、宮野俊介

• 島嶼地域における地産有用植物を用いた循環型家畜飼養技術確立－アロエベラによる検証2020 · 基盤研究(C)
• 日本ザーネン種ヤギにおける三次元脳座標図の作製1900 · ■■■
• 泡盛蒸留圧搾粕を素材とした新規ペットフードの開発1900 · ■■■
• 食品製造副産物を用いた子ヤギの育成1900 · ■■■

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