Savvas I, Raptopoulos D, Rallis T. A “light meal” preoperatively decreases the incidence of gastro-esophageal reflux in dogs. J Am Anim Hosp Assoc. 2016;52(6):357-363. The overnight, or nil per os after midnight, standard is commonly used to determine the duration of withholding food for presurgical procedures; however, evidence supporting this standard is lacking. This randomized, prospective study used 120 healthy dogs undergoing elective surgery.