Risk factors for fecal shedding of Salmonella in 91 US dairy herds in 1996

被引:71
作者
Kabagambe, EK
Wells, SJ
Garber, LP
Salman, MD
Wagner, B
Fedorka-Cray, PJ
机构
[1] USDA, Ctr Epidemiol & Anim Hlth, Anim & Plant Hlth Inspect Serv, Vet Sci, Ft Collins, CO 80521 USA
[2] Colorado State Univ, Coll Vet Med & Biomed Sci, Ctr Vet Epidemiol & Anim Dis Surveillance Syst, Ft Collins, CO 80521 USA
[3] USDA ARS, Richard Russell Res Ctr, Poultry Microbiol Res Unit, Athens, GA 30605 USA
关键词
Salmonella; shedding; herd level; cattle; risk factors;
D O I
10.1016/S0167-5877(99)00094-X
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
In 1996, data on management practices used on US dairy operations were collected and analyzed for association with fecal shedding of Salmonella by dairy cows. A total of 4299 fecal samples from 91 herds was cultured for Salmonella isolation. Herd-size (adjusted odds ratios (OR) = 5.8, 95% CI 1.1, 31.3), region (OR = 5.7, CI 1.4, 23.5), use of flush water systems (OR = 3.5, CI 0.9, 14.7), and feeding brewers' products to lactating cows (OR = 3.4, CI 0.9, 12.9) were identified as the most important predictive risk factors. The population attributable risks (PARs) for herd-size, region, flush water system, and feeding brewers' products to lactating cows were 0.76, 0.46, 0.37, and 0.42, respectively. The estimated PAR for all four risk factors combined was 0.95. The effects of these factors need to be more-closely evaluated in more-controlled studies, in order to develop intervention programs that reduce Salmonella shedding. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:177 / 194
页数:18
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