Between 8:30 and 18:30 the pigs remained active 369±
7.8 min (61.5% of the observation time); in this period they
walked a distance of 3.9±0.18 kmto eat 2.7±0.22 kg of grass
FM and to visit 96±3.7 oaks, where they shelled 7.6±0.33 kg
of acorns FM to ingest 4.9±0.22 kg acorn kernels FM
(Table 2). There are not significant differences between both
sexes.