農薬等の魚類血液に及ぼす影響-1

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  • ノウヤク トウ ノ ギョルイ ケツエキ ニ オヨボス エイキョウ 1
  • On the Influence of Some Agricultural Chemicals, etc. on the Hematological Characters of Fish―I

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The effects of two kinds of agricultural chemicals, etc. on the blood of carp were measured. The results were as follows. 1. In the experiment on the effect of PCP, the specific gravity and the hematocrit value of the blood of fish in 0.05-0.3ppm solutions increased together. With the increase of the concentration of PCP, the erythrocyte sedimentation rate decreased, while the hematocrit value and the specific gravity increased. 2. In the experiment on the effect of Smithion, the specific gravity in 4ppm and 6ppm solutions decreased, while the hematocrit value and the specific gravity in 8ppm solution decreased together. With the increase of more than 4ppm of the concentration of Smithion, the hematocrit value and the specific gravity decreased. 3. In three days' experiment on the effect of the waste solution of paper industry, the diluted concentration increased the specific gravity, but the dense concentration increased the hematocrit value and the specific gravity together. 4. When the carp which lost blood by blood-drawing or those immersed in the solution of PCP, Smithion or the waste solution of paper industry were replaced into normal fresh water and were fed for 3-15 days, the change of hematocrit value, specific gravity and erythrocyte sedimentation rate, which are resulted from the loss of blood or the injury by pesticides, alter to such reverse direction as to eliminate the results.

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