Effect on Field Trial of Oriental Herbal Medicine Feed Additives on Prevention of Salmonella in Chickens

Salmonella 방제에 대한 한방사료첨가제의 야외적용 효과

  • Kang, Ho-jo (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kim, Young-hwan (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Lee, Hu-jang (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kim, Jong-shu (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kim, Toh-gyong (Kyongnam Livestock Promotion Institute) ;
  • Kim, Eun-hee (Chinju International University) ;
  • Park, Mi-rim (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kim, Gon-sup (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University)
  • 강호조 (경상대학교 수의과대학 동물의학연구소) ;
  • 김용환 (경상대학교 수의과대학 동물의학연구소) ;
  • 이후장 (경상대학교 수의과대학 동물의학연구소) ;
  • 김종수 (경상대학교 수의과대학 동물의학연구소) ;
  • 김도경 (경남축산진흥연구소) ;
  • 김은희 (진주국제대학교) ;
  • 박미림 (경상대학교 수의과대학 동물의학연구소) ;
  • 김곤섭 (경상대학교 수의과대학 동물의학연구소)
  • Accepted : 2003.04.07
  • Published : 2003.06.30

Abstract

The present study was conducted to investigate the preventive effect of feed supplemented with 1.0% oriental herbal medicine feed additives (OHMFA) on the colonization of Salmonella spp. and incidence of death in broiler chickens. The frequency of Salmonella spp. in feces samples treated with OHMFA (25/239; 10.5%) was significantly reduced (p<0.05) than that of control group (83/347; 23.9%). A total of 108 Salmonella spp, belonging to four different serotypes, were isolated from three broiler farms. Among the serotypes isolated, Salmonella typhimurium was the moot prevalent (60.2%), followed by S. enteritidis (20.4%), S. gallinarum (13.0%) and S. pullorum (6.4%). In incidence of death in chickens during experiment, the mortality of rate OHMFA group (3.9%) was significantly lower (p<0.01) than that of control group (5.7%). These results show that the administration of OHMFA may prevent the colonization of Salmonella in chickens.

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