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Effects of furosemide administration to water-deprived inland bearded dragons (Pogona vitticeps)
2018
Parkinson, Lily A. | Mans, Chrisoph
OBJECTIVE To evaluate the diuretic effects and associated changes in hematologic and plasma biochemical values following SC furosemide administration to water-deprived inland bearded dragons (Pogona vitticeps). ANIMALS 9 bearded dragons. PROCEDURES In a crossover study design, furosemide (5 or 10 mg/kg) was administered SC every 12 hours for 4 doses or no treatment (control treatment) was provided for the same period. Food and water were withheld. Body weight was recorded before (baseline) and 12 hours after treatment sessions ended and then after 5 minutes of soaking in a water bath. Blood samples were collected at baseline and 12 hours after treatment sessions ended for various measurements. RESULTS Compared with control values, a significant decrease from baseline in body weight was detected after furosemide treatment at 5 and 10 mg/kg (mean ± SD percentage decrease, 5.5 ± 3.2% and 5.2 ± 4.1%, respectively). Soaking resulted in a significant increase in body weight after the 5- and 10-mg/kg furosemide treatments (mean ± SD percentage increase, 2.9 ± 1.8% and 5.6 ± 2.5%, respectively), compared with change in body weight after the control treatment (0.7 ± 0.7%). Plasma total solids and total protein concentrations increased significantly with both furosemide treatments, and PCV increased significantly with the 10 mg/kg treatment only. No significant or relevant differences were identified in plasma osmolarity or uric acid or electrolyte concentrations. CONCLUSIONS AND CLINICAL RELEVANCE Furosemide as administered resulted in hemoconcentration and weight loss in bearded dragons, most likely owing to its diuretic effects. With additional research, furosemide could be considered for treatment of congestive heart failure and other conditions requiring diuresis in bearded dragons.
Show more [+] Less [-]Venous blood gases, plasma biochemistry, and hematology of wild-caught common chameleons (Chamaeleo chamaeleon)
2018
Eshar, D. | Ammersbach, M. | Shacham, B. | Katzir, G. | Beaufrere, H.
The purpose of this study was to determine a wide range of selected hematologic, venous blood gases, and plasma biochemistry analytes in common chameleons (Chamaeleo chamaeleon). Blood samples were collected from the ventral tail vein of 41 common chameleons to determine reference intervals for 30 different blood analytes. The calcium-to-phosphorus ratio, packed cell volume (PCV), refractometric total solids (TS), blood cell counts, and differentials were also determined. The microscopic evaluation of blood smears revealed inclusion bodies in monocytes in 7 of the samples. Females showed significantly higher values of plasma proteins and calcium and cholesterol concentrations and males showed significantly higher values of aspartate aminotransferase (AST) and gamma-glutamyl transferase (GGT) plasma concentrations. Significant differences were found between similar analytes determined by different testing methodologies in the PCV/hematocrit, electrolytes (sodium, potassium), and plasma proteins [TS, total protein (TP) and albumin]. Blood analytes determined in this study can provide baseline data that may be useful when evaluating the health status of common chameleons, taking into consideration the potential effects of gender and the type of analyzer used.
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