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Related Experiment Video

Updated: Feb 10, 2026

Tickling, a Technique for Inducing Positive Affect When Handling Rats

Tickling, a Technique for Inducing Positive Affect When Handling Rats

Published on: May 8, 2018

Tickling, a Technique for Inducing Positive Affect When Handling Rats.

Sylvie Cloutier¹, Megan R LaFollette², Brianna N Gaskill²

¹Center for the Study of Animal Well-being, Department of Integrative Physiology and Neuroscience, Washington State University; Canadian Council on Animal Care; scloutier@ccac.ca.

Journal of Visualized Experiments : Jove

|May 29, 2018

Summary

Tickling laboratory rats using a standardized playful handling technique significantly reduces their fear of humans. This method improves animal welfare and facilitates handling for research and husbandry, while modeling positive affective states.

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Area of Science:

Animal Behavior
Laboratory Animal Science
Animal Welfare

Background:

Handling laboratory rats can induce fear, stress, and reduced welfare.
Current habituation methods are often ineffective and variable.
Fearful rats present challenges for research and husbandry.

Purpose of the Study:

To describe a standardized rat tickling technique.
To investigate its effectiveness in reducing fear and improving welfare.
To explore its utility in research and social enrichment.

Main Methods:

A systematic, playful handling technique ('tickling') mimicking rat social play was developed.
The method was applied to laboratory rats.
Behavioral responses and handling ease were assessed.

Main Results:

Tickling consistently elicited positive behavioral responses in rats.
The technique effectively reduced rats' fearfulness of humans.
Improved handling for husbandry and research procedures was observed.

Conclusions:

Standardized rat tickling is an effective and practical method to reduce fear and enhance welfare.
This technique can serve as a social enrichment and aid in research.
It reliably models positive affective states in laboratory rats.