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Figure 1 | Acta Veterinaria Scandinavica

Figure 1

From: Incidence of Reinfections with Mycoplasma hyopneumoniae and Actinobacillus pleuropneumoniaein Pig Farms Located in Respiratory-Disease-Free Regions of Switzerland – Identification and Quantification of Risk Factors

Figure 1

Map of districts included in a case-control study of pig farms regarding re-infections in respiratory-disease-free areas in Switzerland. The hatched areas in the total view of Switzerland represent the 3 Cantons of Berne, Lucerne and Solothurn. The number in each district in the enlarged view shows the ratio of case farms to control farms.

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Acta Veterinaria Scandinavica

ISSN: 1751-0147