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KMID : 1024520200290050575
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Journal of the Environmental Sciences
2020 Volume.29 No. 5 p.575 ~ p.578
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Analysis of Plasma Cortisol from Nursery Pigs in Outdoor Efficacy Test for Digital Content - Based Approach in Animal Welfare Convergence Types
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Choi In-Hag
Park Chul
Kwak Sang-Kee
Chung Tae-Ho
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Abstract
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The plasma cortisol of nurserypigs was examined using an outdoor efficacy testwith a digital content-based approach in animal welfare convergence types. Nine nurserypigs,without discriminating between female and male, were classified into 2 groups of 3 pigs each: control and group 1 (effect+nature), control and group 2(effect+nature+music). The control group was the same for group 1 and 2 to compare the effects using a t-test. There was no significant difference in plasma cortisol levels between the control group and group 1 until 4 h after stress induction. However, significant differences were subsequently found between the control group and group 1 from 8 h to 72 h (p<0.05). Further, plasma cortisol was not affected in group 2 at 0 h through 8 h and 72 h. At 12 h through 48 h, group 2 showed a reduction in plasma cortisol level compared to the control group(p<0.05). These results indicated that after stress induction, applying effect plus nature or effect plus nature plus music can effectively decrease plasma cortisol levels in nursery pigs within8 h through 72 h and may serve as a better model for digital content-based approach in animal welfare convergence types.
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KEYWORD
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Animal welfare convergence, Digital content, Nursery pig, Plasma cortisol
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