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OJVRTM
Online Journal of
Veterinary Research©
Volume 20(3):190-198, 2016.
Effects of high doses of subcutaneous lidocaine in
pigeons (Columba livia)
Hadi Imani1 DVM, DVSc, Yasamin Nasri Hasani2 DVM
1Department of Clinical Science, 1,2Faculty
of Veterinary Medicine, Shahid Chamran
University of Ahvaz, Ahvaz, Iran.
ABSTRACT
Imani H, Hasani YN.,
Effects of high doses of subcutaneous lidocaine in pigeons (Columba livia), Onl J Vet Res.,
20(3):190-198, 2016. Effect
of high doses of subcutaneous lidocaine on sedation and toxicity in pigeons are
described. Groups of 6 pigeons each
received either normal saline or lidocaine at doses of 4, 20, 40, 70 and
100mg/kg. Onset of anaesthesia occurred at 8.3min in
pigeons given 20mg, 6.3min given 40mg and 5min given 70mg/kg persisting for 73,
82 and 105 min, respectively. Toxic signs appeared at 6.3min in pigeons given
40mg, 10.4min at 70mg and 3.7min at 100mg/kg persisting for 45, 74 and 115min,
respectively. Signs of toxicity included paddling, wing stretching, muscle
twitching and seizures. Respiratory
rate in sedated pigeons was
lower than other groups but higher in pigeons exhibiting toxic signs at 70 and
100mg/kg. Heart rates in sedated birds given 20 and 40mg/kg were lower than
other groups. Cloacal temperatures in sedated pigeons were higher than in those
exhibiting toxic signs. Findings suggest that pigeons may tolerate higher doses
of subcutaneous lidocaine than previously thought and lower doses may induce some
degree of sedation.
Key words: high dose; lidocaine; pigeon;
sedation; toxicity.
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