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Dive into the research topics where Joji Yoshida is active.

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Featured researches published by Joji Yoshida.


Nihon Chikusan Gakkaiho | 1971

The effect of delignifications on the high fibrous material.

Ryohachiro Nakamura; Joji Yoshida; shusaku Hori

1) 高繊維質材料の脱リグニン効果を明らかにするため,水洗草炭を材料として,これに種々の処理を施し,処理品の組成,和牛のルーメンバッグ消化率,ルーメン液in vitro培養成績等を求めた.2) 各処理は夫々脱リグニンの程度を異にし,総じてリグニン除去率の高い処理(亜硫酸法,塩基性溶剤法)は,然らざる処理(アルカリ法)に比し,処理品のDM収率は低いが,リグニン含量も少なく,反面セルロース含量は高かった.3) 72hrのルーメンバッグ内消化において,処理試料のDM,セルロース等の消化率は,そのリグニン含量と逆相関を示し,また24hrのin vitro培養においても,DM消化率,生成VFA量は,バッグ法から推定される成績とおおむね一致した.VFA組成は,酢酸とプロピオン酸が主成分を占め,両者のモル比は,結晶セルロース培養の場合に類似し,試料のセルロース含量が高ければ,前者の生成量が多いとの関係が見られた.ただし,個々の試料については,上記リグニン含量との相関に必らずしも従わぬものがあり,処理の質的影響も推定された.4) 本実験に関しては,同一材料に種々の脱リグニン処理を施しても,その消化,利用性に対する改善効果は,リグニン除去の程度によって先ず支配されると結論される.


Nihon Chikusan Gakkaiho | 1976

Nitrate Metabolism of Microorganisms in the Rumen of Sheep Fed High Nitrate Forages

Yutaka Nakamura; Joji Yoshida; Ryohachiro Nakamura; Hirobumi Horie


Nihon Chikusan Gakkaiho | 1982

Effects of Protozoal Fraction and Lactate on Nitrate Metabolism of Microorganisms in Sheep Rumen

Joji Yoshida; Yutaka Nakamura; Ryohachiro Nakamura


Nihon Chikusan Gakkaiho | 1981

Nitrate Metabolism of Microorganisms in the Rumen of Sheep Fed High Nitrate Italian Ryegrass Silage

Yutaka Nakamura; Yutaka Tada; Tomoyuki Saito; Joji Yoshida; Ryohachiro Nakamura


Nihon Chikusan Gakkaiho | 1998

Effects of Nitrate on the Production of Methane and Volatile Fatty Acids by Sheep Rumen Microorganisms in vitro

Yutaka Nakamura; Junichi Birumachi; Joji Yoshida


Nihon Chikusan Gakkaiho | 1985

Effects of Hydrogen Donors on Nitrate Metabolism in the Rumen and Methemoglobin Formation in the Blood of Sheep

Yutaka Nakamura; Joji Yoshida; Ryohachiro Nakamura


Nihon Chikusan Gakkaiho | 1979

The Influence of Concentrates on the Nitrate Metabolism of Microorganisms in the Rumen of Sheep

Yutaka Nakamura; Yutaka Tada; Hideyuki Shibuya; Joji Yoshida; Ryohachiro Nakamura


Nihon Chikusan Gakkaiho | 1963

Studies on the toxicity of urea and its control. 7. Effect of pH of rumen contents on ammonia absorption.

Joji Yoshida; Ryohachiro Nakamura


Nihon Chikusan Gakkaiho | 1963

Studies on the Toxicity of Urea and its Control

Joji Yoshida; Yoshichika Hatakeyama; Ryohachiro Nakamura


Nihon Chikusan Gakkaiho | 1963

Studies on the toxicity of urea and its control. 8. Influence of pH on ammonia absorption from the rumen.

Joji Yoshida

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