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KMID : 1024520180270050345
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Journal of the Environmental Sciences
2018 Volume.27 No. 5 p.345 ~ p.348
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Economic Evaluation of Duck Livestock Management in Utilizing of Various Forms of Houttuynia cordata With Fermented Red Koji as Feed Additives in a Field Study
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Jang Woo-Whan
Chung Yung-Ho
Choi In-Hag
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Abstract
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The influence of various forms of Houttuynia cordata with fermented red koji as feed additives on the performance of duck livestock was evaluated through a field study. Two hundred and forty ducks (Pekins) aged 0-38 d were used. They were randomly assigned to four treatment groups (0%, 1% H. cordata powder with fermented red koji, 1% H. cordata pelleted with fermented red koji, and 1% H. cordata coated with fermented red koji) with four replicates (15 ducks per replication). Foreconomic evaluation, the data (a total of 240 duck) obtained from each treatment were applied to 10,000 ducks per treatment 38-d after the feeding trial. Overall, the results of economic evaluation were the highest in the treatment with 1% H. cordata coated with fermented red koji, followed by 1% H. cordatapelleted with fermented red koji, 1% H. cordatapowder with fermented red koji, and control. In conclusion, using 1% H. cordatawith fermented red koji as coating and pellet type duck diets might be of economic advantage for sustainable environmental management.
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KEYWORD
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Duck livestock management, Economic evaluation, Fermented red koji, Houttuynia cordata
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