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http://dx.doi.org/10.5187/JAST.2009.51.5.421

Characteristics of Vocalizations of Laying Hen Related with Space in Battery Cage  

Son, Seung-Hun (Department of Animal Science and Technology, Chung-Ang University)
Shin, Ji-Hye (Department of Animal Science and Technology, Chung-Ang University)
Kim, Min-Jin (Department of Animal Science and Technology, Chung-Ang University)
Kang, Jeong-Hoon (Department of Animal Science and Technology, Chung-Ang University)
Rhim, Shin-Jae (Department of Animal Science and Technology, Chung-Ang University)
Paik, In-Kee (Department of Animal Science and Technology, Chung-Ang University)
Publication Information
Journal of Animal Science and Technology / v.51, no.5, 2009 , pp. 421-426 More about this Journal
Abstract
This study was conducted to clarify the characteristics of vocalization of laying hen related with space in battery cage. The size of cages were classified into control (0.30 m ${\times}$ 0.14 m ${\times}$ 0.55 m, length ${\times}$ width ${\times}$ height), small (0.21 m ${\times}$ 0.14 m ${\times}$ 0.55 m) and large (0.30 m ${\times}$ 0.30 m ${\times}$ 0.55 m) size. Vocalization of 16 individuals of laying hen in each group of Hy-Line Brown (80 week old) were recorded 3 hours per day (10:00am~11:00am, 3:00pm~4:00pm and 7:00pm~8:00pm) using digital recorder and microphone during October 2008 and February 2009. Characteristics of frequency, intensity and duration of vocalization were analyzed by GLM (general linear model) and Duncan's multi-test. There were differences in basic and maximum frequency, and intensity based on analysis of spectrogram and spectrum among different cage sizes. Vocalization of laying hen would be one of the indicators to understand the stress caused by rearing space in batter cage.
Keywords
Battery cage; Laying hen; Space; Vocalization;
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Times Cited By KSCI : 2  (Citation Analysis)
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