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volume 44 issue 2 (june 2010) : 139 - 142
ANAESTHETIC EVALUATION OF KETAMINE/PROPOFOL IN ACEPROMAZINE- XYLAZINE PREMEDICATED HORSES*
1Madras Veterinary College
Vepery, Chennai-600 007, Tamil Nadu, India
ABSTRACT
The study was conducted in twelve clinical cases of horses for diagnostic and surgical
procedures warranting general anaesthesia were randomly divided into two groups, group I and
group II, each consisting of six cases. Xylazine @ 0.50mg/kg and acepromazine @ 0.03mg/kg
body weight was used as pre-anaesthetic in both the groups. Ketamine @ 2.20 mg/kg body
weight and 0.50mg/kg/min was used as induction and maintenance agent in group I and Propofol
2.0 mg/kg body weight and 0.15mg/kg/min was used as induction and maintenance agent in
group II. The mean time for sedation in group I and group II were 5.16±0.30 minutes and
5.10±0.21 minutes respectively. The mean quality of sedation in group I and group II were 2.27
±0.21 minutes and 2.67 ± 0.21 minutes respectively and the mean time for induction was
1.83± 0.17 minutes and 1.17 ±0.17 minutes respectively. The induction was smooth in all
horses (100%) in group II. In group I smooth induction was observed in 83.33% and rough
induction in 16.67% of the cases. The total dose of xylazine administered including the
incremental doses in group I was 1.00 ± 0.00 mg/kg/hr where as in group II xylazine incremental
dose was not administered. The calculated dose was 6.52 ± 0.13mg/kg/hr in group I and 11.86±
0.533 mg/kg/hr in group II. The score for the quality of muscle relaxation was 2.50± 0.22 and
2.33 ±0.21 in group I and group II respectively. The score for reflex status in group I and group
II were 1.00± 0.36and 0.67±0.31 respectively. The mean time for recovery in group I and
group II were 32.00±2.87 minutes and 14.00±1.05 minutes respectively. The quality of recovery
was smooth in 66.66% of group I and 83.33% of group II. The quality of recovery was rough in
33.34% of group I and 16.67% of group II. The number of attempts for unassisted standing was
4.67± 0.21times in group I and 1.50± 0.22 times in group II. None of the animals in any groups
showed any intra and post operative complication.
procedures warranting general anaesthesia were randomly divided into two groups, group I and
group II, each consisting of six cases. Xylazine @ 0.50mg/kg and acepromazine @ 0.03mg/kg
body weight was used as pre-anaesthetic in both the groups. Ketamine @ 2.20 mg/kg body
weight and 0.50mg/kg/min was used as induction and maintenance agent in group I and Propofol
2.0 mg/kg body weight and 0.15mg/kg/min was used as induction and maintenance agent in
group II. The mean time for sedation in group I and group II were 5.16±0.30 minutes and
5.10±0.21 minutes respectively. The mean quality of sedation in group I and group II were 2.27
±0.21 minutes and 2.67 ± 0.21 minutes respectively and the mean time for induction was
1.83± 0.17 minutes and 1.17 ±0.17 minutes respectively. The induction was smooth in all
horses (100%) in group II. In group I smooth induction was observed in 83.33% and rough
induction in 16.67% of the cases. The total dose of xylazine administered including the
incremental doses in group I was 1.00 ± 0.00 mg/kg/hr where as in group II xylazine incremental
dose was not administered. The calculated dose was 6.52 ± 0.13mg/kg/hr in group I and 11.86±
0.533 mg/kg/hr in group II. The score for the quality of muscle relaxation was 2.50± 0.22 and
2.33 ±0.21 in group I and group II respectively. The score for reflex status in group I and group
II were 1.00± 0.36and 0.67±0.31 respectively. The mean time for recovery in group I and
group II were 32.00±2.87 minutes and 14.00±1.05 minutes respectively. The quality of recovery
was smooth in 66.66% of group I and 83.33% of group II. The quality of recovery was rough in
33.34% of group I and 16.67% of group II. The number of attempts for unassisted standing was
4.67± 0.21times in group I and 1.50± 0.22 times in group II. None of the animals in any groups
showed any intra and post operative complication.
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Published In
Indian Journal of Animal Research