The aim of the study was to compare the profitability of pig production of two breeds: the Polish Landrace (PWL) and the Pulawska kept at a family farm. The analysis included indicators of reproductive performance of sows and the parameters of fattening and slaughter value. The data included the production of fattening pigs at the farm in the years 2010–2012. The analysis performed indicate that profitability of fattening pigs of the Polish Landrace breed compared to the Pulawska breed was variable. It has been shown that regardless of the period of the production of porkers a lower profit was obtained from the sows of the Pulawska breed as compared to the Polish Landrace. This result was influenced by lower ratios of reproduction sows of the Pulawska breed, and higher feed consumption, lower weight gains and lower meat content in the carcass of porkers raised from them.
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