Autumn-winter diet and fat reserves of wild boars (Sus scrofa) inhabiting forest and forest-farmland environment in south-western Poland
2014
Merta, D., Pedagogical University of Krakow (Poland). Dept. of Ecology, Wildlife Research, and Ecotourism | Mocala, P., Pedagogical University of Krakow (Poland). Dept. of Ecology, Wildlife Research, and Ecotourism | Pomykacz, M., Pedagogical University of Krakow (Poland). Dept. of Ecology, Wildlife Research, and Ecotourism | Frackowiak, W., Pedagogical University of Krakow (Poland). Dept. of Ecology, Wildlife Research, and Ecotourism
Diet, carcass weight (dressed weight) and kidney fat index (KFI) in wild boar populations were compared between two different lowland environments in south-western Poland. In the forest-farmland environment of the Lasy Slaskie forest (LS), fodder root crops and cereals made up 67.6 % of the dry weight (d.w.) of stomach content (n = 40). In the large compact forest of the Bory Dolnoslaskie forest (BD), 69.6 % of the stomach content (n = 43) mas made up of roots and browse. Piglets and older animals harvested in BD were significantly lighter than those harvested in LS (13.6 kg vs. 25,6 kg and 47,3 kg vs. 55.9 kg resp.). The KFI of piglets and older animals harvested in LS were significantly higher than those in corresponding age classes of wild boars from BD. The metabolized energy of stomach content amounted to 13.2 MJ/kg d.w. in LS and 8.9 MJ/kg d.w. in BD. This is probably the chief cause of the differences in carcass weight and KFI between the wild boars living in the compared study areas.
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