Study on Ruminal Disappearance and Energy Value of Corn Flake Using the Pressurized Steam Chamber

가압식 스팀 챔버를 이용한 옥수수 후레이크의 반추위 소실율 및 에너지 가치 평가에 관한 연구

  • Park, Byung-Ki (Nonghyup Feed Co. LTD.) ;
  • Ahn, Jun-Sang (Hanwoo Research Institute, National Institute of Animal Science, RDA) ;
  • Chung, Ki-Yong (Hanwoo Research Institute, National Institute of Animal Science, RDA) ;
  • Cho, Sung-Myoun (Division of Animal Resource Science, Kangwon National University) ;
  • Kim, Il-Young (Division of Animal Resource Science, Kangwon National University) ;
  • Sim, Jae-Yoon (Division of Animal Resource Science, Kangwon National University) ;
  • Kim, Min-Ji (Division of Animal Resource Science, Kangwon National University) ;
  • Kwon, Eung-Gi (Hanwoo Research Institute, National Institute of Animal Science, RDA) ;
  • Shin, Jong-Suh (Division of Animal Resource Science, Kangwon National University)
  • 박병기 (농협사료) ;
  • 안준상 (국립축산과학원 한우연구소) ;
  • 정기용 (국립축산과학원 한우연구소) ;
  • 조성면 (강원대학교 동물생명과학대학) ;
  • 김일영 (강원대학교 동물생명과학대학) ;
  • 심재윤 (강원대학교 동물생명과학대학) ;
  • 김민지 (강원대학교 동물생명과학대학) ;
  • 권응기 (국립축산과학원 한우연구소) ;
  • 신종서 (강원대학교 동물생명과학대학)
  • Received : 2018.04.19
  • Accepted : 2018.09.12
  • Published : 2018.09.30


This study aimed to investigate the effect of using corn flakes, produced by pressurized steam chamber, on nutrient disappearance rate and energy value in three Hanwoo and three Holstein cows, implanted with a ruminal fistula. Corn flakes were categorized in 2 groups based on the chamber type: control (corn flakes produced using a steam chamber) and treatment (corn flakes produced using a pressurized steam chamber). Dry matter (DM) disappearance rate was 5.17% higher in treatment than in control (p<0.01). Starch disappearance rate was also higher in the treatment than in the control (p<0.01). Nitrogen free extract (NFE) and non-fiber carbohydrate (NFC) disappearance rates were 6.08 and 5.71% higher in treatment compared to control, respectively (p<0.01). In comparison by breed and incubation time, DM, starch, NFE, and NFC disappearance rates were higher in treatment than in control. The mean total digestible nutrients (TDN) was higher in treatment than in control (p<0.05). In comparison between Hanwoo and Holstein, TDN of corn flakes was slightly but not significantly higher in Holstein than in Hanwoo. Thus, these results indicate that the use of the pressurized steam chamber is recommended to increase the nutrient (starch, NFE, NFC etc.) disappearance rate and TDN.


Supported by : 강원대학교, 국립축산과학원


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