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Volume 21, Number 6—June 2015
Research

Dose-Response Relationship between Antimicrobial Drugs and Livestock-Associated MRSA in Pig Farming1

Alejandro Dorado-GarcíaComments to Author , Wietske Dohmen, Marian E.H. Bos, Koen M. Verstappen, Manon Houben, Jaap A. Wagenaar, and Dick J.J. Heederik
Author affiliations: Utrecht University, Utrecht, the Netherlands (A. Dorado-García, W. Dohmen, M.E.H. Bos, K.M. Verstappen, J.A. Wagenaar, D.J.J. Heederik); Wageningen UR, Lelystad, the Netherlands (J.A. Wagenaar); PorQ BV, Son, the Netherlands (M. Houben).

Main Article

Table 2

Characteristics of persons followed during the entire period of a study of the dose–response relationship between antimicrobial drug use and livestock-associated methicillin-resistant Staphylococcus aureus in pig farming, the Netherlands, 2011–2013*

Characteristic Total study population Farmers, employees Partners Children
Age, y (SD) 33.0 (17.8) 44.0 (13.6) 45.2 (8.9) 14.4 (5.6)
Mean time worked, h (SD) 21.8 (25.2) 46.0 (19.9) 10.1 (14.0) 2.2 (6.6)
Total no.
 158
 66
 32
 60
Sex
M 91 58 0 33
F
 67
 8
 32
 27
Open farm 91 34 17 40
Farrowing† 26 11 5 10
Farrow-to finish
 65
 23
 12
 30
Closed farm 67 32 15 20
Farrowing† 14 8 3 3
Farrow-to finish 53 24 12 17

*Farms were defined as open when they received external supplies of gilts ≥1 time per year from at least 1 supplier and as closed when they received no external supply of gilts.
†No fattening pigs present.

Main Article

1Preliminary results from this study were presented at the 3rd American Society for Microbiology–European Society of Clinical Microbiology and Infectious Diseases (ASM-ESCMID) Conference on Methicillin-resistant Staphylococci in Animals: Veterinary Public Health Implications, 2013 November 4–7, Copenhagen, Denmark (oral presentation, speaker abstract S7:3); and at the Society for Veterinary Epidemiology and Preventive Medicine annual meeting, 2014 March 26–28, Dublin, Ireland (poster presentation).

Page created: May 15, 2015
Page updated: May 15, 2015
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