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The aim of the study was to analyse the effect of the feed additive alfalfa protein concentrate (APC), on pig health. The trial involved 40 crossbred gilts and 40 crossbred castrates (Polish Landrace × Polish Large White) × Duroc of 29.0 ± 0.5 kg initial body weight. Allocation of experimental animals was into four treatment groups: the control group (C) was fed standard mixtures, without APC addition;...
Aim The aim of this paper is the assessment of eating habits of high school students from grades 2 and 3, including eating habits, self-evaluation of diet and the most common nutrition mistakes committed by the members of the studied group. Materials and methodology The study involved 333 high school students between the age of 17 and 19. The group consisted of 150 girls and 183 boys. Data was collected...
Phytobiotics are plant-derived preparations obtained from herbs that contain biologically active secondary metabolites. They constitute an interesting feed additive, an alternative product to replace traditional various growth promoters in animal feeding. A vast body of research conducted on different species of farm animals provides evidence on multidirectional effectiveness of herbs and herbal preparations...
The purpose of this study was to determine the effectiveness of photocatalytic ionisation as a disinfection method for filter materials contaminated by microorganisms, and to assess how air relative humidity (RH), time and microbe type influence the effectiveness of this disinfection. In the quantitative analysis of a used car air filter, bacterial contamination equalled 1.2×10⁵ cfu/cm² , fungal contamination...
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