The objective of this study was to compare the distribution of tetracycline resistance genes in the Gram-negative fecal flora between swine that were fed subtherapeutic chlortetracycline as compared to pigs that did not receive in feed antimicrobials. Within each of 2 farms, 8 finisher barns were temporarily matched in pairs based on pig placement dates. For each matched pair, a barn was assign...

Introduction: Functional gastrointestinal disorders (FGID) are non-fatal, unknown etiology disorders with absence of a structural or biochemical explanation and accounting for up to 50% of gastroenterology referrals. Infant regurgitation, rumination and cyclic vomiting constitute the vomiting disorders. Abdominal pain disorders are classified as: functional dyspepsia, irritable bowel syndrome (...