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島根農科大学研究報告 Volume 8
published_at 1960-03-31
放牧牛の生理・生態に関する研究(II-4) : 放牧牛の血清中全窒素含量および非蛋白態窒素含量について
Physiological and Ecological Studies on the Grazing Cattle(II-4) : The Blood-serum Total Nitrogen and Non-protein Nitrogen Content of Grazing Cattle
Harumoto Tadashi
Kato Masanobu
Aoki Shimpei
Tahata Ichiro
Fujimitsu Msaaki
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When cattle were grazed in the spring pasture following the stall feeding, they would suffer marked change of environment or intaked feed. Assuming that some physiological disturbance may occur in cattle grazing young growing plant in spring pasture, in this report were studied the effect of grazing on bloodserum total nitrogen and noh-nitrgen content with 10 grazing cattle during two periods.
The blood-serum total nitrogen level did not show any distinctive change with grazing, and non-protein nitrogen content showed very wide variation in individual or day to day but could not find any significant tendency.
In conclusion, it seems that on our pasture experimental grazed cattle were not suffered any marked effect in respect of these blood nitrogen compositions.
The blood-serum total nitrogen level did not show any distinctive change with grazing, and non-protein nitrogen content showed very wide variation in individual or day to day but could not find any significant tendency.
In conclusion, it seems that on our pasture experimental grazed cattle were not suffered any marked effect in respect of these blood nitrogen compositions.
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