한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제34권3호
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  • Pages.613-622
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  • 2017
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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대사에너지가 열 스트레스에 노출된 오리의 간, 십이지장 융모, 미생물, 유전자 조절에 미치는 영향

Influence of metabolizable energy on histology of liver and duodenal villus, microflora, heat shock protein gene in duck under heat stress

  • 신종서 (강원대학교 동물생명과학대학) ;
  • 양부근 (강원대학교 동물생명과학대학) ;
  • 박병성 (강원대학교 동물생명과학대학)
  • Shin, Jong-Suh (College of Animal Life Science, Kangwon National University) ;
  • Yang, Boo-Keun (College of Animal Life Science, Kangwon National University) ;
  • Park, Byung-Sung (College of Animal Life Science, Kangwon National University)
  • 투고 : 2017.08.13
  • 심사 : 2017.09.05
  • 발행 : 2017.09.30
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초록

본 연구는 열 스트레스 하에서 오리사료 내 대사에너지(ME) 수준이 오리의 간, 십이지장 융모, 미생물, 유전자 조절에 미치는 영향을 조사하였다. 총 240마리의 육용 오리 채리밸리(Anas platyrhynchos)를 4처리구로 완전임의배치 한 후 42일 동안 사육하였다. 처리구는 ME 2900 kcal/kg, ME 3000 kcal/kg, ME 3100 kcal/kg 및 ME 3200 kcal/kg로 구분하였다. 간 조직은 처리구 사이의 차이가 없었고, 십이지장 융모 및 창자샘 길이는 ME 3000과 비교할 때 2900은 10.58% 감소하였으나 3100, 3200과의 사이에 차이는 없었다. 맹장 Latobacillus는 ME 3000과 비교할 때 2900은 9.47% 감소하였으나 3100, 3200은 각각 2.52, 3.24% 증가하였다. Total aerobic bacteria, E. coli, Coliform bacteria는 ME 3000과 비교할 때 2900은 증가하였으나 3100, 3200은 차이가 나타나지 않았다. 간에서 HSP (heat shock proteins)-mRNA 중 HSP $90-{\alpha}$는 ME 3000과 비교할 때 2900은 48.60% 감소하였으며 3100, 3200은 차이가 없거나 증가하였다.

The object of this study was to determine the influence of dietary metabolic energy (ME) on ..... A total of 240 meat ducks Cherry valley (Anas platyrhynchos) were assigned into four treatment groups with a randomized block design for 42 days. The four treatments were: ME 2900 kcal/kg, ME 3000 kcal/kg, ME 3100 kcal/kg, and ME 3200 kcal/kg. There was no difference in liver tissue among the treatments. The duodenal villi and crypt depth length decreased by 10.58% in 2900 compared with ME 3000, but there was no difference between 3100 and 3200. Counts of caecal Latobacillus decreased by 9.47% in 2900 compared to ME 3000, but increased by 2.52 and 3.24% in 3100 and 3200, respectively. Total aerobic bacteria, E. coli and Coliform bacteria were increased by 2900 when compared to ME 3000, but there was no difference between 3100 and 3200. HSP $90-{\alpha}$ among the heat shock proteins (HSPs)-mRNA in the liver was reduced by 48.60% in 2900 compared to ME 3000, while 3100 and 3200 showed no difference or increased.

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