Fig. 2From: Immunoglobulin G1 subclass responses can be used to detect specific allergy to the house dust mites Dermatophagoides farinae and Dermatophagoides pteronyssinus in atopic dogsMedian and interquartile range of DF- and DP-specific IgE, IgG antibodies and IgG subclasses levels. Aged healthy dogs (> 3 years) had high levels of all antibody types to both species of HDM. In cases of CAD (+IDT or -IDT to DF/DP) high IgE and IgG1 levels were in accordance with IDT results. Dotted line; cut-off levels for each ELISABack to article page