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June 19, 2026Journal of the American Association for Laboratory Animal Science

Psychometric Properties of a Behavioral Sedation Scale for Green Iguanas (Iguana iguana)

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Authors

AJAndré Augusto JustoMSMariana Cardoso SanchesKSKurt K. Sladky

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Overview

Randomized trial evaluates a sedation scale's effectiveness in green iguanas, suggesting training may enhance application.

Key Points

  • Evaluate the psychometric properties of a behavioral sedation scale for assessing sedation in green iguanas.
  • Prospective randomized complete crossover study involving 8 adult green iguanas.
  • Each iguana received either midazolam (2 mg/kg) or saline with a 7-day washout period.
  • Sedation was assessed at multiple time points using a behavioral scale and reliability evaluations from blinded observers.
  • Midazolam significantly increased sedation scores compared to baseline from 10 to 120 minutes postinjection (P = 0.015 to P < 0.001).
  • Sedation scores were higher in midazolam-treated iguanas compared to controls up to 300 minutes (P = 0.007).
  • Intrarater reliability was very good (> 0.98), but interrater reliability varied widely (0.18-0.95) across videos.

Cite This Study

Justo et al. (2026) studied this question.

synapsesocial.com/papers/6a34de7065a5b0777af2dd16https://doi.org/10.30802/aalas-jaalas-26-060
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