Effects of the combination midazolam, fentanyl and ketamine in boas Boa constrictor Linnaeus, 1758 (Squamata Boidae)

Abstract

In order to adapt the anesthetic agent to the rapid induction, with the decrease in recovery time and side effects, we proposed to test the association of ketamine 40mg/kg/IM, midazolan 2mg/k/IM and fentanyl 0.01mg/kg/IM in Boa constrictor. The anesthetic parameters were measured using subjective scores during the trans-anesthetic of anesthesia. It was found that in relation to time spent in scoring three of manipulation, the animals behaved similarly. All were anesthetized therefore we not found the presence of soreness before stimulation. We observed lack of tone of the head in all specimens, but this score was reached at different times. At different times of loss of locomotion was achieved by all Boa constrictor. Regarding the loss of postural reaction righting the five copies lost this capacity in 15 minutes after applying the drug, and recurrence occurred in an average of 176.66 ⁺ 45.09 in two animals and 295 ⁺ 8.66 minutes in three. There was no change in heart rate among animals in 300 minutes of observation and all protocols were safe, since no deaths occurred. The proposed association caused analgesia, muscle relaxation and anesthesia in snakes of the genus Boa.