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魚類の採血に依る球量値の減少


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Title: 魚類の採血に依る球量値の減少
Other Titles: On the Decrease of Hematocrit Value of Fish by the Extraction of Blood
Authors: 田村, 修 / 藤木, 哲夫 / 恵藤, 国臣
Authors (alternative): Tamura, Osamu / Fujiki, Tetsuo / Eto, Kuniomi
Issue Date: 28-Feb-1962
Publisher: 長崎大学水産学部
Citation: 長崎大学水産学部研究報告, v.12, pp.72-77; 1962
Abstract: We studied on the relation between the amount of extracted blood and the decreasing hematocrit value in specimen of eel (40~65g)and carp(420~650g) (66 and 12 specimen), by the continuous several extractions of 0.5ml each time from the same fish. The decreasing hematocrit values were from 1.3%to 2.5%in eel and from 1.1%to 2.5% in carp in each extraction. The decrease of hematocrit value of all specimen was caused when the total amount of extracted blood came to 1.9, 1.6 and 1.1% (ml/g)in the eel of each body weight (40~65g, 70~95g, 100g<), 0.8% (ml/g) of body weight in the carp. Namely, the reaction of the increase of the evythrocyte counts is presumed to bo unable to occur in such short intervals (2~27 minutes) of the blood-extraction. / 魚血の個体変異を除く方法の基礎的吟味として,同一魚体が連続的に相当多量に採血された場合の,球量値(Ht.)の変化と採血量,採血間隔,全個体のHt.減少の採血量等の関係を実験した.試料はウナギ(天然産)とコイ(クリーク飼育)である. 1)採血回数(毎回0.5ml採血)を増すに伴いHt.減少の個体数は多くなる傾向があり,Ht.減少度はウナギで平均1.3~2.5%,コイで平均1.1~2.5%であった.2)全個体のHt.減少が見られる様な採血総量は,ウナギ(40~65g)では1.5ml(体重の1.9%ml/g),ウナギ(70~95g)では2.0ml(体重の1.6%ml/g),ウナギ(100g以上)では2.5ml(体重の1.1%ml/g),コイ(400g以上)では3.5ml(体重の0.8%ml/g)であって,成長に伴い全血量の体重に対する比率は小さくなる.3)体重の1/50~1/100程度の採血では,短時間内の増血作用は不可能となると推定される.
URI: http://hdl.handle.net/10069/31670
ISSN: 05471427
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:第12号

Citable URI : http://hdl.handle.net/10069/31670

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