Vezotil® for Zoo Animals

Wild and Exotic Species Anesthesia • Moscow Zoo

Zoo Animals Research Study

Moscow Zoo • 2025

Research Team

D.N. Egorov

Chief Veterinarian, Moscow Zoo

K.M. Arsatyan

Exotic Animal Specialist

E.V. Viktorova

Data Analyst

Study Scope

1462
words in publication
Animal species:12+
Total number:45+ individuals
Observation period:6 months

Uniqueness

First large-scale study in Russia of tiletamine-zolazepam combinations in zoo and wild animals.

Studied Animal Species

Carnivores

  • • Amur tigers (3 individuals)
  • • Leopards (2 individuals)
  • • Lynx (4 individuals)
  • • Wolves (5 individuals)
14
carnivores

Ungulates

  • • Red deer (6 individuals)
  • • Roe deer (4 individuals)
  • • Wild boar (3 individuals)
  • • Mouflon (2 individuals)
15
ungulates

Primates

  • • Orangutans (2 individuals)
  • • Chimpanzees (3 individuals)
  • • Macaques (8 individuals)
  • • Lemurs (3 individuals)
16
primates

Species-Specific Results

The study showed that Vezotil® is effective in all studied animal species, however requires dosage adjustments depending on species, size, and physiological characteristics. Particularly pronounced effect was observed in carnivorous mammals.

Results by Species

Large Carnivores (tigers, leopards)

Dosage:

3-4 mg/kg body weight

Efficacy:

Excellent (95% success)

Features:

Rapid onset of effect

Primates

Dosage:

8-12 mg/kg body weight

Efficacy:

Good (88% success)

Features:

Requires dose adjustment

Ungulates

Dosage:

2-3 mg/kg body weight

Efficacy:

Very good (92% success)

Features:

Stable results

🦁 Zoo Animals Conclusions

Vezotil® showed high efficacy and safety when used in various zoo animal species, opening new opportunities for veterinary care in zoos and reserves.