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標題: Serum haptoglobin concentration in cattle
作者: Chan, J.P.W.
Chu, C.C.
Fung, H.P.
Chuang, S.T.
Lin, Y.C.
Chu, R.M.
Lee, S.L.
關鍵字: basal value;cattle;Haptoglobin;acute phase proteins;quantitative-determination;inflammatory diseases;bovine haptoglobin;metritis;cows
Project: Journal of Veterinary Medical Science
期刊/報告no:: Journal of Veterinary Medical Science, Volume 66, Issue 1, Page(s) 43-46.
To obtain a basal concentration of serum Haptoglobin (Hp) in cattle in Taiwan, Hp concentrations were measured from serum samples collected from 10 healthy heifers, every week for one year. The values were also compared with those collected from 15 cows diagnosed with postpartum metritis. The heifers were successfully impregnated by artificial insemination six months after the tests. Hp concentrations were also measured in the serum collected from 11 other cows within 3 weeks after parturition. The Hp assay developed in this study gave a good correlation (r=0.893)with Western blotting. The Hp concentration of 454 serum samples from the 10 heifers had a mean value of 83.6 +/- 34.1 mg/l, and there was no significant difference among individual heifers. The basal value of Hp in heifers was calculated as less than 73.6 mg/l. No significant difference in Hp concentration was observed among the 10 heifers during cold and warm seasons (19.8 +/- 2.2degreesC vs 27.3 +/- 1.4degreesC), or before and after pregnancy. The mean serum Hp concentration from cows suffering from postpartum reproductive disorders was 1133.5 +/- 627.1 mg/l, which was significantly greater than the serum of healthy heifers and postpartum cows (104.6 +/- 61.0 mg/l) (P<0.05). These results demonstrate that Hp concentration may be a useful indicator for cows with postpartum reproductive disorders.
ISSN: 0916-7250
DOI: 10.1292/jvms.66.43
Appears in Collections:獸醫學系所

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