Abstract
Glucose is utilized by fish as one of the sources of energy. It is a physiological parameter useful in the determination of the general health condition of cultured fish. The aim of this study was to determine the stability of plasma and blood glucose concentration, stored at different temperatures (4 °C and 30 °C) for 72 h. Two (2) milliliters of blood was collected via the caudal abdominal venipuncture of 10 female catfishes purchased. The fish were 8 months of age and were kept in plastic ponds at the Faculty of Veterinary Medicine, University of Nigeria. Blood was collected in blood tubes containing K2EDTA. Plasma was harvested from 1 mL of K2EDTA blood sample following centrifugation. Glucose concentration was determined using the Accu-Chek glucometer. Whole blood and plasma were analyzed immediately (0 h), and then after storage at 4 °C and 30 °C at 24 h, 48 h, and 72 h. Comparisons to the whole blood samples (0 h) stored at 30 °C revealed a significant (p 0.05) differences in the 24-h, 48-h, and 72-h plasma glucose concentration were observed. Therefore, whole blood and plasma stored at 4 °C for 72 h and plasma stored at 30 °C for 24 h can be used for glucose determinations in the female African catfish.
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