where offered and recovered food are expressed as dry weight (60 °C, 48 h), and lixiviated food as % of the food lost during shaking procedure (Obaldo et al., 2002). The crumbs were evaluated as non-ingested food. After, ingestion rate (I) was expressed as mg ingested food (wet weight) considering the water content obtained after dry sampling at 60 °C for 48 h.