The tests related to red cell fragility were performed. Samples of blood anticoagulated with heparin were obtained from Korean native cattle in Chonbuk region abattoir, and classified by the district(Kun) with reference to breeding location. Hemolysis test for red cell fragility was performed with whole blood and glutathione peroxidase activity was measured spectrophotometrically. Blood concentration of selenium, inorganic component of glutathione peroxidase, was also determined fluorophotometrically.
The results obtained were summerized as follows;
1. Percent hemolysis of erythrocytes ranged from 13.53 to 20.74%, and its mean Palue was low as 17.11±9.91%. Means in all were not district(Kun) in Chonbuk region significantly different.
2. Glutathione peroxidase activity ranged from 2,881 to 4,000mU/㎖, and high mean values, 3,352±1,872mU/㎖, reflected low percent hemolysis.
3. There was a highly negative correlation between the red cell fragility(Y) and blood glutathione peroxidase activity(X). The linear regression equation for these data was: Y= 29.86－3.75X with a correlation coefficient of r=-.6886 (p<0.01)
4. Blood selenium concentration ranged from 0.16 to 0.24 ㎍/㎖, and mean values was normal level as 0.2±0.11㎍/㎖.
5. There was a highly positive correlation between blood selenium concentration(X), and blood glntathione peroxidase activity(Y). The linear regression for these data was: Y=230＋15,790X, with a correlation coefficient officient of r=0. 8635.
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