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The aim of the present studies has been the analysis of production and economic results of Swine Fattening Farm in Zalesie. It has been found that in the period studied, the indices in all production sectors improved syste matically but in none of them, the production of porks, provided by the technology, was reached. The production of porks for slaughter, on the farm examined, proved to be profitable but profitability index in the last two years decreased by 30% Itresulted from the higher increase in production cost in relation to the price of slaughter porks.
The aim of the study was to assess the usefulness of empathic test and feeding test to determine the type of arctic foxes females’ behaviour. The research material included females kept on a commercial farm situated in western part of the Wielkopolskie Voivodeship. The assessment of behaviour type of all the females from the foundation stock was conducted in 2002-2009 on the basis of behavioural reaction on empathic and feeding test. To determine the degree of balance and confidence of each animal taking part in both types of test, the basic test index Tl (1) and behavioural index Bl (2) were calculated. The feeding test appeared to be a more adequate tool for determination of behaviour type of arctic foxes when compared to empathic test, however it classified animals only to two groups (trustful and fearful).
Chemical analysis and the determination of nutritive value of fat concentrate and keratin meal produced by Poultry Works "Poldrób" in Wrocław from by products such as fat , blood, feathers have been Included In the studies. Usability of the feed In rations for 60 fatteners within 30-110 kg of body weight have been examined as well. It has been found that 10 i ,15% supplement of fat concentrate resulted In the increase In daily gain and the decrease in feed consumption only during the period of fattening up to 70 kg of body weight. Keratin meal, however, may be the source of protein In the rations for fatteners over 70 kg weight.
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