대한수의학회지 (Korean Journal of Veterinary Research)

  • 제41권2호
  • /
  • Pages.219-225
  • /
  • 2001
  • /
  • 2466-1384(pISSN)
  • /
  • 2466-1392(eISSN)
대한수의학회 (The Korean Society of Veterinary Science)
권호 표지

어류양식용 사료의 위생화 I. 어류유래 병원성 세균에 대한 방사선 조사의 효과

Hygiene of fish feed I. Effect of gamma radiation on the pathogenic bacteria of fish

  • 김세라 (전남대학교 수의학대학) ;
  • 이종환 (전남대학교 수의학대학) ;
  • 조성기 (한국원자력연구소 방사선식품공학팀) ;
  • 변명우 (한국원자력연구소 방사선식품공학팀) ;
  • 김성호 (전남대학교 수의학대학)
  • Kim, Se-ra (College of Veterinary Medicine, Chonnam National University) ;
  • Lee, Jong-hwan (College of Veterinary Medicine, Chonnam National University) ;
  • Jo, Sung-kee (Food Irradiation Team, KAERI) ;
  • Byun, Myung-woo (Food Irradiation Team, KAERI) ;
  • Kim, Sung-ho (College of Veterinary Medicine, Chonnam National University)
  • 심사 : 2001.04.26
  • 발행 : 2001.06.25
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초록

The gamma-radiation sensitivity of three kinds of pathogenic bacteria to fish was investigated. $D_{10}$ values (irradiation dose required to inactivate 90% of the population) of Edwardsiella tarda, Vibrio anguillarum and Streptococcus faecalis were 0.08, 0.10 and 0.44 kGy, respectively. The inactivation factors were 4.50 - 24.30 and 6.75 - 36.45 at radiation doses of 2 and 3 kGy. Raw moist pellets were inoculated with Edwardsiella tarda, Vibrio anguillarum or Streptococcus faecalis. Inoculated feed samples were packaged in air and irradiated at 5 kGy. This dose was effective in controlling the inoculated and general bacteria in fish feed. We consider gamma-radiation to be an effective method to sterilize pathogenic bacteria in fish feed.

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