Use of haloperidol and azaperone for stress control in roe deer (Capreolus capreolus) captured by means of drive-nets
2010
Mentaberre, Gregorio | Lopez-Olvera, Jorge R. | Casas-Diaz, Encarnacion | Bach-Raich, Ester | Marco, Ignasi | Lavín, Santiago
The physical capture of wild ungulates is performed for different purposes when anaesthesia in field conditions is not possible or advisable. The use of tranquilizers may contribute to improved welfare of captured animals. We studied the effect of haloperidol and azaperone on the stress response of roe deer (Capreolus capreolus) through the study of physiological, haematological and serum biochemical parameters. Thirty one roe deer were drive-net captured and randomly injected with haloperidol (0.30 ± 0.04 mg/kg IM; n = 13), azaperone (0.43 ± 0.07 mg/kg IM; n = 11) or saline (0.5 mL IM; n = 7), and restrained for 3 h. The interindividual variability of heart rate was lower in the treated deer, suggesting a calming effect, and erythrocyte and biochemical parameters indicated vasodilation, splenic sequestration, hemodilution, improvement of renal perfusion and a protective effect on muscle. These results support the suitability of using either azaperone or haloperidol in capture operations of roe deer, in order to reduce stress and prevent its adverse effects.
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