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Dive into the research topics where Minoru Itoh is active.

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Featured researches published by Minoru Itoh.


Animal Science Journal | 2017

Effects of supplementing an active dry yeast product on rumen microbial community composition and on subsequent rumen fermentation of lactating cows in the mid‐to‐late lactation period

Yutaka Uyeno; Kiyoshi Akiyama; Toshiya Hasunuma; Hiroshi Yamamoto; Hiroaki Yokokawa; Tsuneko Yamaguchi; Kenji Kawashima; Minoru Itoh; Shiro Kushibiki; Makoto Hirako

The effects of supplementing feed of cows in mid-to-late lactation with an active yeast product (Actisaf Sc 47) were evaluated using 15 Holstein cows in a replicated 3 × 3 Latin square design. The animals were fed a mixed ration with 33% neutral detergent fiber, consisting of timothy hay (29.8%), a commercial concentrate (70.0%) and commercial calcium triphosphate (0.2%), twice daily to meet 105% of their energy requirement. Yeast supplement was set at 0, 5 and 10 g per day over 21-day periods, each of which consisted of 14 days for adaptation followed by 7 days of data collection. Milking performance, plasma metabolite parameters, rumen volatile fatty acids, lipopolysaccharide and microbial properties were measured. Although there were no significant differences in feeding and milking performance or blood parameters associated with supplementation, the acetate to propionate ratio in the rumen fluid tended to decrease (P = 0.08). The population of Bacteroidetes tended to be less prominent (P = 0.07) and the fibrolytic bacterium Fibrobacter significantly increased (P < 0.05) in the rumen fluid of the yeast 10 g group compared with that of the control. These data suggest that effects of supplementing live yeast to cows in mid-to-late lactation may be limited to microbial composition and fermentation characteristics in the rumen.


Nihon Yoton Gakkaishi | 2003

Reduction of Urinary Nitrogen Excretion and Ammonia Emission from Slurry by Feeding a Lowering Protein Diet Supplemented with Beet Pulp in the Growing Pigs.

Akemi Yamamoto; Minoru Itoh; Chieko Furukawa; Takafumi Nagamine; Toshinori Kameoka; Shu Furuya

アミノ酸添加の低タンパク質飼料への乾燥ビートパルプ添加による尿中への窒素排せつ量およびふん尿混合物 (スラリー) からのアンモニア揮散量低減効果について調べた。体重約35kgの豚4頭を代謝ケージに収容し, 2頭には粗タンパク質 (CP) 含量の低い低CP飼料を体重の3% (低CP区, CP11.33%), 他の2頭には低CP飼料にビートパルプ (CP7.78%) を外付けで30%添加 (飼料配合割合としては23.08%, 低CPビートパルプ区) した飼料を体重の3.9%給与した。4日間の馴致期間の後, 尿とふんを3日間全量採取した。1期目の試験が終了後, 供試飼料を切り替えて2期目の試験を7日間行った。また, 別の豚4頭を用いて2回目の試験を実施した。なお, 1回目の試験では, スラリーからのアンモニア揮散量をインビトロ法で測定した。得られた結果は以下の通りであった。1日当たりの窒素摂取量は低CP区と低CPビートパルプ区で, それぞれ23.6および25.4gとほとんど変わらなかった。ふん中窒素排せっ量はそれぞれ4.7および9.7gで, 低CPビートパルプ区で有意に (P<0.001)多かったが, 尿への窒素排せっ量はそれぞれ10.3および5.6gと低CPビートパルプ区で有意に (P<0.001) 低くなった。1日当たりのアンモニア揮散量はそれぞれ722および359mgと低CPビートパルプ区で有意に低くなった (P<0.01)。培養前および培養後のスラリーのpHは, 低CP区に比べ低CPビートパルプ区でそれぞれ, 1.66および0.91単位と有意に低くなった (P<0.05)。肥育豚でアミノ酸添加低CP飼料にビートパルプを添加給与することにより, 尿中への窒素排せつ量およびスラリーからのアンモニア揮散量が著しく減少することが明らかとなった。


Animal Science Journal | 2002

Reduction of urinary nitrogen excretion and ammonia emission from slurry by feeding a low protein diet supplemented with apple pomace to growing pigs

Akemi Yamamoto; Minoru Itoh; Yoshikatsu Kadoya; Hirokazu Kanno; Michi Yamada; Shu Furuya


Animal Science Journal | 2002

Reduction of ammonia emission from growing pig rooms by feeding a lower protein diet supplemented with apple pomace

Akemi Yamamoto; Eiichi Umemoto; Minoru Itoh; Masatoshi Matsui; Nobuo Fujimura; Shu Furuya


Animal Feed Science and Technology | 2016

Consecutive reticular pH monitoring in dairy cows fed diets supplemented with active dry yeast during the transition and mid-lactation periods

Toshiya Hasunuma; Yutaka Uyeno; Kiyoshi Akiyama; S. Hashimura; Hiroshi Yamamoto; Hiroaki Yokokawa; Tsuneko Yamaguchi; Minoru Itoh; H. Mizuguchi; Shigeru Sato; Makoto Hirako; Shiro Kushibiki


Nihon Yoton Gakkaishi | 2002

Effect of Feeding a Reduced Protein, Amino Acid-Supplemented Diet on the Excretion of Urine and Nitrogen, and the Ammonia Emission from Slurry in Growing Pigs.

Akemi Yamamoto; Eiji Takahashi; Chieko Furukawa; Minoru Itoh; Yuji Ishikawa; Yoshihiko Yamauchi; Michi Yamada; Shu Furuya


Nihon Yoton Gakkaishi | 2002

Effect of Dietary Addition of Dried Apple Pomace on the Nitrogen Excretion in Urine and Feces of Growing Pigs.

Akemi Yamamoto; Yukihisa Aoki; Minoru Itoh; Yuji Ishikawa; Yoshihiko Yamauchi; Michi Yamada; Shu Furuya


Nihon Chikusan Gakkaiho | 2002

An In Vitro Procedure for Evaluation of Ammonia Emission from Pig Manure

Akemi Yamamoto; Minoru Itoh; Shu Furuya


Nihon Yoton Gakkaishi | 2003

Effects of Feeding a Lower Protein Diet Supplemented with the Apple Pomace on Growth Performance, Nitrogen Excretion and Backfat Thickness in Finishing Pigs.

Akemi Yamamoto; Yoshito Satoh; Keiitsu Nakamura; Minoru Itoh; Shu Furuya


Nihon Chikusan Gakkaiho | 2017

Rumen lipopolysaccharide activity is suppressed by bovine lactoferrin feeding in dairy cows during dry and lactation periods

Toshiya Hasunuma; Kiyoshi Akiyama; Hiroshi Yamamoto; Hiroaki Yokokawa; Tsuneko Yamaguchi; Minoru Itoh; Yutaka Uyeno; Hitoshi Mizuguchi; Shigeru Sato; Fuminori Terada; Makoto Hirako; Shiro Kushibiki

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Makoto Hirako

National Agriculture and Food Research Organization

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