Respiratory infections
Respiratory tract diseases are common in horses, and
one of the most frequent reasons for antimicrobial
administration (Table 10.3).Causes for respiratory
tract diseases are multi-factorial. Recommended treatments
are variable and some references still endorse
the use of broad-spectrum antimicrobials for equine
respiratory tract diseases, even to cover the possibility
of secondary bacterial pneumonia from a primary
viral infection, despite the absence of data supporting
these approaches.