Xilazina no acuponto yin tang em equinos.

Abstract

This work aimed to evaluate the clinical and sedative effects of the use of xylazine in Yin Tang acupoint in horses. Six healthy horses receiving 0,33 mg/kg of xylazine were used in the Yin Tang acupoint. The following parameters were evaluated: head height, response to visual stimulus, response to sound stimulus, heart rate, PR interval, respiratory rate, systolic blood pressure, rectal temperature and glycemia at M0 and at four different times (M15, M30, M45 and M60) every 15 minutes. No parameter presented a statistical difference; however, in M30 20,7% reduction in head height, lower mean heart rate (33,7±5,11bpm) and longer PR interval (285±48,21ms) were observed. Response to the sound stimulus and response to visual stimulation also presented the lowest score in the M30, characterizing this moment as the peak of the action of the drug. The administration of xylazine in the Yin Tang acupuncture of horses did not promote good sedation. However, reassurance has been observed in animals along with the reduction of the side effects promoted by this drug, as compared to its use by other routes of administration, and may be indicated for transport, anesthesia recovery and reassurance protocols.