Barrow and Gilt Vocalizations during a Human Approach Test

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2015-01-01
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Myers, Sarah
Colpoys, Jessica
Sholar, Johanna
Gabler, Nicholas
Millman, Suzanne
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Johnson, Anna
Professor Animal Behavior and Welfare
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Abstract

The objective of this study was to investigate differences between barrow and gilt vocalizations during a fear test. Twenty barrows and 20 gilts were tested over two consecutive weeks between 1300 and 1900 hours using a human approach test (HAT). Throughout the test, vocalizations were recorded. Gilts expressed a greater number of low calls compared to barrows; however, barrows expressed a greater number of high calls compared to gilts. Further research should be done to better understand vocalization differences between barrows and gilts during a HAT.

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Thu Jan 01 00:00:00 UTC 2015
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