A total of 28.1% of the dolphins analyzed presented PD in their
stomach contents. PD was found only in stomachs, and no dolphins
presented obstructions or ulcerations in the digestive tracts. Packaging
debris was found in 64.3% of the dolphins, with a lesser proportion
of dolphins ingesting fishery-related fragments (35.7%) and
those of unknown source (25.0%). Packaging debris was constituted
mainly by cellophane bands (52%), bags (11.4%) and plastic
rubber bands (6.8%), whereas fragments of ropes (12.7%), monofilament
lines (8.1%) and nets (4.5%) represent the fishery-related
debris. A 4.5% of the fragments represent plastics of unknown
source.