PTGS2 and serum lipopolysaccharide activity: Because of the adverse effects of nonselective NSAIDs on mucosal healing, dorsal colon health, and renal blood flow,24 selective cyclooxygenase 2 (COX‐2) inhibitors, such as meloxicam or firocoxib, could be a feasible and safer option for the treatment of endotoxemia in donkeys.