The study, published in the OnlineFirst version of theJournal of Parenteral and Enteral Nutrition (JPEN), the research journal of the American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.), provided neonatal piglets with 17 days of parenteral nutrition therapy and either GLP-2 treatment or saline control. In a previous study, the researchers found that GLP-2 therapy improved bile flow and serum markers of cholestasis.