, Research Papers

Absence of diurnal rhythm of plasma cortisol in Bos indicus (Boran) cattle

Research Papers
Getachew Abebe
International Laboratory for Research on Animal Diseases (ILRAD), PO Box 30709, Nairobi, Kenya
Jim Scott
International Laboratory for Research on Animal Diseases (ILRAD), PO Box 30709, Nairobi, Kenya
Robert Eley
Institute of Primate Research (IPR), PO Box 24481, Nairobi, Kenya
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Keywords

Plasma cortisol
Diurnal rhythm
Boran cattle

How to Cite

Absence of diurnal rhythm of plasma cortisol in Bos indicus (Boran) cattle. (1992). Tropical Agriculture, 69(1). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/4784
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Abstract

Plasma cortisol concentrations were determined by radioimmunoassay in blood samples which were taken at hourly intervals over 24 h from eight Bos indicus (Boran) cattle via indwelling jugular cannulae. Statistical analysis revealed no diurnal variation of cortisol in Boran cattle. Possible explanations for this are cited in the discussion.
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