Bassoi, M., Shepard, J.G. and Secchi, E.R. 2019. Opportunistic feeding experiment in a captive franciscana (Pontoporia blainvillei): assessing gastrointestinal transit time and gastric digestion. Latin American Journal of Aquatic Mammals. 13, 1-2 (Feb. 2019), 15-22. DOI:https://doi.org/10.5597/00244.