지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 54 - 60 (7page)
- DOI
- 10.7841/ksbbj.2019.34.1.54
이용수
초록· 키워드
오류제보하기
Fowl typhoid which is caused by Salmonella, is acute or chronic communicable disease with high mortality rate by sepsis in every age of fowls including chicken and turkey. Recently probiotics are of great interest because antibiotic uses are not allowed anymore in fowl industry. In this study, 108 Lactobacillus strains that had been previously isolated in our laboratory were screened for antibacterial activity against Salmonella gallinarum and Salmonella enteritidis as fowl pathogenic indicator. Twenty one lactobacilli strains showed high in vitro antibacterial activity against S. gallinarum and S. enteritidis. They also showed high antibacterial activity against Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, Listeria monocytogenes, and Gardnerella vaginalis. Among these, KLB39 and KLB58 were selected because they maintained relatively high activity after pH adjustment. As a result of 16S rRNA gene sequencing, they were identified as L. salivarius subsp. salivarius and L. paracasei subsp. paracasei, respectively. The mode of action by two lactobacilli strains was likely being bacteriostatic, as the viability of pathogens did not increase without reduction. In a pre-challenge test with specific pathogen free (SPF) chicken, live lactobacilli preparation (KLB39 and KLB58 mixture) did not affect negatively on spawning rate, and the average of body weight gain was not significantly different from control group. By in vivo challenge test on chickens we demonstrated that the death rate of chickens (13.3%) that were injected with KLB58 after S. gallinarum injection was significantly lower than chickens (40%) that were injected by S. gallinarum without KLB58 co-injection. Further studies are underway as we expect that KLB58 could be used as probiotics for prevention of salmonella infection in fowl industry.
목차
Abstract
1. INTRODUCTION
2. MATERIALS AND METHODS
3. RESULTS AND DISCUSSION
REFERENCES
참고문헌 (32)
참고문헌 신청
Yong, K. W. / 2017 / A study on the epidemiological analysis of fowl typhoid (ft) outbreaks in korea during the18 years since 1999 / KOSTET 22:29~36
Aeran Kim / 2007 / Dissemination and tracking of Salmonella spp. in integrated broiler operation / Journal of Veterinary Science 8(2):155~161
Guo, F. C. / 2004 / Effect of a Chinese herb medicine formulation, as an alternative for antibiotics, on performance of broilers / Br. Poult. Sci 45:793~797
Yang, Y. / 2009 / Dietary modulation of gut microflora in broiler chickens: A review of the role of six kinds of alternatives to in-feed antibiotics / Worlds Poult. Sci. J 65:97~114
채명화 / 2011 / 2010년 가축 및 도축장 식육에서 분리한 Campylobacter jejuni와 Campylobacter coli의 항생제 내성 / 예방수의학회지 35(4):239~245
Aeran Kim / 2007 / Dissemination and tracking of Salmonella spp. in integrated broiler operation / Journal of Veterinary Science 8(2):155~161
Guo, F. C. / 2004 / Effect of a Chinese herb medicine formulation, as an alternative for antibiotics, on performance of broilers / Br. Poult. Sci 45:793~797
Yang, Y. / 2009 / Dietary modulation of gut microflora in broiler chickens: A review of the role of six kinds of alternatives to in-feed antibiotics / Worlds Poult. Sci. J 65:97~114
채명화 / 2011 / 2010년 가축 및 도축장 식육에서 분리한 Campylobacter jejuni와 Campylobacter coli의 항생제 내성 / 예방수의학회지 35(4):239~245
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UCI(KEPA) : I410-ECN-0101-2019-470-000569076