Prevalence and persistence of Salmonella in broiler chicken flocks

被引：45
作者：
Limawongpranee, S [1 ]
Hayashidani, H
Okatani, AT
Ono, K
Hirota, C
Kaneko, K
Ogawa, M
机构：
[1] Tokyo Univ Agr & Technol, Fac Agr, Dept Vet Med, Tokyo 1838509, Japan
[2] Nihon Sun Farm Co Ltd, Ogawa, Tochigi 3240512, Japan
来源：
JOURNAL OF VETERINARY MEDICAL SCIENCE | 1999年 / 61卷 / 03期
关键词：
broiler; hatchery; poultry farm; prevalence; Salmonella;
D O I：
10.1292/jvms.61.255
中图分类号：
S85 [动物医学（兽医学）];
学科分类号：
0906 ;
摘要：
Cecal contents of 2,345 broiler chickens consisting of 28 flocks originated from 12 farms were examined for the prevalence of Salmonella to know the actual status of infection with Salmonella in the chicken flocks. Salmonella was isolated from 336 (14.3%) samples. From these isolates, eight serovars were identified. Of the 336 Salmonella isolates, 242 (72.0%) were serotyped as S. Blockley, 60 (17.9%) S. Hadar, 15 (4.5%) S. Bredeney, nine (2.7%) S. Schwarzengrund, four (1.2%) S. Anatum, three (0.9%) S. Enteritidis, two (0.6%) S. Ohio, and one (0.3%) S. Livingstone. The same serovars of Salmonella were repeatedly found in the chickens from the same farms. S. Typhimurium and S. Enteritidis were detected in pooled broken eggshell samples collected from the hatchery. Analysis of plasmid profiles revealed 11 patterns of S. Blockley and seven patterns of S. Hadar. Strains of the same plasmid profiles of S. Blockley were isolated repeatedly from the same farm over one year after the first isolation.
引用
收藏
页码：255 / 259
页数：5
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