Application of open field, tonic immobility, and attention bias tests to hens with different ranging patterns
Assessment of negative affective states is a key component of animal welfare research. In laying hens, excessive fearfulness results in reduced production and increased sensitivity to stress. Fearfulness can be defined as a response to a known threat, but anxiety is a response to an unknown threat a...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
PeerJ Inc.
2019-11-01
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Series: | PeerJ |
Subjects: | |
Online Access: | https://peerj.com/articles/8122.pdf |