A special questionnaire was developed for taking the
history. Breed, age, gender, usage of the horse, and
a complete history with presenting signs, disease process,
duration and type of previous treatments, and stabling
conditions were recorded. Then, on the basis of these data,
a simple scoring system was established to evaluate the
stabling technology and disease process for statistical
analysis (Table 1). The months of clinical admission for
examination and disease establishment or exacerbations
were noted. Referring surgeons were questioned about
diagnostic techniques they used in each particular respiratory
case and also about their suspected diagnosis.