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Related Experiment Video

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Noninvasive, In-pen Approach Test for Laboratory-housed Pigs

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Published on: June 5, 2019

Do young guinea pigs (Cavia porcellus) develop an attachment to inanimate objects?

M I Janzen¹, P J Timmermans¹, J P Kruijt²

¹Department of Comparative and Physiological Psychology, University of Nijmegen, P.O. Box 9104, NL-6500 HE Nijmegen, The Netherlands.

Behavioural Processes

|June 5, 2014

Summary

Young guinea pigs did not show attachment to inanimate objects in a new study. Despite being raised with a specific object, pups showed no distress when separated and preferred new objects.

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Area of Science:

Animal behavior
Developmental psychology
Comparative psychology

Background:

Filial imprinting is well-documented in precocial birds using inanimate objects.
Mammalian attachment to parents is common, but research on inanimate object attachment is limited, particularly in guinea pigs (Cavia porcellus).
Previous studies on guinea pig attachment to inanimate objects yielded inconclusive results.

Purpose of the Study:

To investigate whether young guinea pigs can form attachments to inanimate objects.
To assess the potential for filial imprinting in guinea pigs with non-biological stimuli.

Main Methods:

Eleven guinea pig pups were separated from their mothers within 16 hours of birth.
Pups were individually reared with a specific inanimate object present.
Preference and separation tests were conducted between 2 and 35 days of age.

Main Results:

No increase in distress calls was observed during separation from the inanimate object.
In preference tests, guinea pig pups consistently chose a novel object over their familiar rearing object.
These findings suggest a lack of attachment to the inanimate rearing object.

Conclusions:

Guinea pigs (Cavia porcellus) do not appear to form filial attachments to inanimate objects under the tested conditions.
The study provides evidence against filial imprinting on inanimate objects in this mammal species.
Further research may explore other factors influencing mammalian social bonding and object recognition.