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A biological study was undertaken to analyse the metabolic effect of feeding rats with an experimental diet in which cellulose was substituted with 20% contribution of chemically-modified potato starches (subjected to oxidation, esterification, cross-linking and dual modification). Caecum digesta mass was significantly higher in rats fed the experimental potato starch preparations compared to control...
The objective of this study was to determine the response of broiler chickens to different dietary sodium (Na) levels. The experiment was performed on 432 male Ross 308 chickens, kept in three-tier battery cages, each with a floor area of 0.5 m2. The chickens were divided into six experimental groups of eight replicates, each of nine birds. Six experimental diets were prepared: a basal diet without...
The aim of this study was to verify the hypothesis that the health and growth of turkey poults may be improved by supplementing diets fed to parent flocks with available selenium. Experimental poults originated from parent flocks fed with diets containing 0.3 mg/kg inorganic selenium (control group SeM) and organic selenium (experimental group SeO). Egg yolk selenium content was comparable in both...
The aim of this experiment was to investigate the physiological and growth response of young turkeys (up to 8 weeks of age) to dietary replacement of soybean meal (SBM) by soy protein concentrate (PC) or protein isolate (PI). This replacement resulted in a differentiated dietary concentration of α‐galactosides of over 2.5% in the SBM diet, approximately 2% with a mixture SBM and PC, 1% with a PC diet...
The present experiment was conducted to investigate the effect of a different dietary content of sunflower meal (SFM) and the efficiency of an non-starch polysaccharide (NSP)-degrading enzyme preparation on growth and gut function of young turkeys. A total of 1512 one-day-old male turkey poults were randomly assigned to 8 dietary treatments, with 7 pens per treatment and 27 birds per pen. Experimental...
Badania przeprowadzono na 600 1-dniowych kurczętach celem określenia wpływu suplementacji diety enzymami degradującymi polisacharydy nieskrobiowe, bez lub z dodatkiem kwasów organicznych, na wybrane parametry przewodu pokarmowego brojlerów i efekty odchowu. W grupach doświadczalnych zastosowano dodatek 50 mg·kg⁻¹ preparatu RovabioTMExcel AP (w 1 g 1400 jednostek endo-1,4 beta-ksylanazy i 2000 jednostek...
W grupie doswiadczalnej dietę kontrolną suplementowano kombinacją dwóch dodatków: 50 mg·kg⁻¹ preparatu enzymatycznego RovabioTMExcel AP (w 1 g 1400 jednostek endo-1,4 beta-ksylanazy i 2000 jednostek endo-1,3(4) beta-glukanazy) oraz 2 lub 1 g·kg−1 preparatu Agrimos® (jako źródła MOS), odpowiednio w okresach żywienia 1−21 i 22−35 dni. Końcowa masa ciała kurcząt zwiększyła się o 4%, z 1917 g w grupie...
The aim of this work was to evaluate the usability of different parts of chicory for obtaining extracts rich in fructans and polyphenols. The raw material consisted of dried chicory roots, chicory peels, leaves and seeds. It was subjected to water-ethanol extraction and extracts were subsequently lyophilized. The content of fructans and polyphenols was analysed as well as antioxidant capacity using...
The paper provides an overview of the most important in vivo experiments, concerning herbicide tolerant soybean and Bt maize, quoted by the opponents of GMOs, as to justify opposition to the use of GM crops in animal feed and food production. The results of these experiments were confronted with similar studies performed by other research teams. Relatively few in vivo experiments have demonstrated...
The aim of the present study was to assess the physiological response of growing turkeys’ duodenal surface to dietary replacement of a common dietary component – soybean meal (SBM) with a soy protein isolate (SPI), as this treatment was associated with almost complete removal of α-galactosides from the diet (from 2.44 to 0.15%). Additionally, the utilization of selected dietary ingredients upon dietary...
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