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Physiological coagulation profile of dairy cattle
Zentralblatt Fur Veterinarmedizin. Reihe A
|January 1, 1989
Summary
This study establishes normal ranges for bovine coagulation parameters in healthy German Black Pied cattle. These physiological values for prothrombin time (PT), partial thromboplastin time (PTT), thrombin time (TT), and fibrinogen are crucial for veterinary diagnostics.
Area of Science:
- Veterinary Medicine
- Hematology
- Animal Physiology
Background:
- Accurate reference ranges for coagulation parameters are essential for diagnosing hemostatic disorders in cattle.
- Previous studies may lack comprehensive data for specific breeds or physiological states.
Purpose of the Study:
- To determine the normal physiological ranges for key coagulation parameters in clinically healthy German Black Pied cattle.
- To establish baseline values for prothrombin time (PT), partial thromboplastin time (PTT), thrombin time (TT), and fibrinogen concentration.
Main Methods:
- Investigated 90 clinically healthy German Black Pied cattle with normal estrus cycles.
- Measured prothrombin time (PT), partial thromboplastin time (PTT), thrombin time (TT), and fibrinogen concentration.
- Calculated normal value ranges using mean +/- 2 standard deviations.
Main Results:
- Established normal ranges: PT (20.1-30.1s), PTT (25.3-44.5s), TT (12.4-17.2s), and fibrinogen (125-697 mg/dl).
- No significant day-to-day or intra-day variations were observed in individual coagulation parameters.
Conclusions:
- Provided essential reference ranges for bovine coagulation diagnostics.
- The established values aid in the accurate interpretation of coagulation tests in German Black Pied cattle.
- Findings support the stability of these coagulation parameters within a normal physiological state.