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Energy Balance and Methane Production of Hanwoo Cows Fed Various Kind of Roughage
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 Title & Authors
Energy Balance and Methane Production of Hanwoo Cows Fed Various Kind of Roughage
Oh, Young Kyoon; Kim, Do Hyung; Moon, Sang Ho; Park, Jae Hyun; Nam, In Sik; Arokiyaraj, Selvaraj; Kim, Kyoung Hoon;
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 Abstract
This experiment was conducted to determine methane production and emission factors for a range of roughage diets fed to Hanwoo cows at a level of maintenance energy requirement. Seven cows were fed mixed hay only, 12 cows were fed mixed hay containing 30~50% rice straw and 6 cows were fed a mixed hay diet supplemented with 1.0 kg of wheat bran. Each cow was placed in a metabolic crate for 10 consecutive days, including last 7 days for sampling of feces and urine. At the end of the sampling period, the cows were transferred to an open-circuit respiration chamber for 24 consecutive hours. Methane conversion rate (5.5~6.2%, mean value
 Keywords
Hanwoo cow;Maintenance;Methane emission factor;Roughage sources;
 Language
Korean
 Cited by
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