Korean Journal of Veterinary Research 2003;43(1):41-47.
Preventive effect of oriental herbal medicine feed additives on infection of Salmonella enteritidis in broiler chickens: antimicrobial activity and colonization inhibition
Ho-Jo Kang1, Young-Hwan Kim1, Hu-Jang Lee1, Jong-Su Kim1, Chong-Sup Kim1, Toh-Gyong Kim2, Eun-Hee Kim3, Mi-Rim Park1, Gon-Sup Kim1
1Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University
2Kyongnam Livestock Promotion Institute
3Jinju International University
한방사료첨가제를 이용한 육계의 Salmonella 방제효과 - 항균성 및 장관정착 억제 -
강호조1, 김용환1, 이후장1, 김종수1, 김종섭1, 김도경2, 김은희3, 박미림1, 김곤섭1
1경상대학교 수의과대학/동물의학연구소
2경상남도 축산진흥연구소
3진주대학교
Abstract
In this study, antibacterial activity on the chicken feed supplemented with different concentrations of oriental herbal medicine feed additives (OHMFA) extract was tested for some organisms and their preventive effects on the colonization of Salmonella enteritidis (SE) in broiler chickens were examined. The growth of Bacillus cereus, listeria monocytogenes and Staphylococcus aureus was inhibited on the feed of 0.25% OHMFA and Salmonella spp. and Escherichia coli O157:H7 were inhibited on the feed containing 2.0% level. The broiler chickens fed a forage additived 1.0% level of OHMFA after inoculation of a $10^7CFU/ml$ of SE were increased in weight than the chicken fed forage without OHMFA. The incidence of SE in liver, spleen and cecum of the chickens fed forage with OHMFA was decreased on the 7th days of postinfection and SE was not isolated from the organs of the chickens after the 14th days of postinfection. Serum antibody titers of the chickens were lowered than the control group.
Key Words: oriental herbal medicine feed additives, Salmonella enteritidis, colonization, broiler chickens, antibacterial activity


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