Exotic Animal Formulary5

Ethanol
10-30 mL 95%/L as
an immersion
to effect 12
Eugenol (a purified
derivative of clove
oil; also see clove oil)
Isoflurane/sevoflurane
≥17 mg/L as an
immersion to
effect 12
5-20 mL/L as an
immersion to
effect 12
Concentrations up to 5 times this amount
can be used; once the fish loses
consciousness, a secondary method
(double pithing, decapitation, injectable
pentobarbital) should be used
Due to the volatility of these comppounds
and risk to humans, ventilation
precautions should be taken
Ketamine 66-88 mg/kg IM 12 Follow with a lethal pentobarbital injection
Ketamine
(K)/dexmedetomidine
(D)
2-phenoxyethanol
(K) 1-2 mg/kg+(D)
0.05-0.1 mg/kg
IM 12
≥0.5-0.6 mL/L or
0.3-0.4 mg/L as
an immersion
to effect 12
Follow with a lethal pentobarbital injection
Propofol 1.5-2.5 mg/L IM 12 Follow with a lethal pentobarbital injection
Quinaldine sulfate
Tricaine
methanesulfonate
(MS-222) (Tricaine-S,
Syndel USA)
5-10 mg/L as an
immersion to
effect 103
≥100 mg/L as an
immersion to
effect 12
250-500 mg/L as an
immersion for
at least 10 min
after cessation
of respiration 12
Once the fish loses consciousness, a
secondary method (double pithing,
decapitation, injectable intracardiac
pentobarbital) should be used
Buffering may be required in some cases
Buffering is required and a secondary method
(double pithing, decapitation, injectable
intracardiac pentobarbital) should be used
a
Not to be used in fish for human consumption; CO 2 euthanasia is the exception.
Table 2-6
Hematologic and Serum Biochemical Values of Fish. a
Measurement
Goldfish (Carassius
auratus) 49 Koi (Cyprinus carpio) 49,107,150
Hematology
69