Abstract
The aim of the research was to determine the effect of newly elaborated synbiotic preparations on the count of dominant intestinal microorganisms, on the profile of fatty acids (short chain – SCFA and branched chain – BCFA), the lactic acid produced and the performance of chickens. The studies determined the composition of the dominant intestinal microbiota with use of the culture method. The fatty acid profile was also determined using the high-performance liquid chromatography method (HPLC). Moreover, the performance of chickens was determined such as the daily cumulative mortality rate, the feed conversion ratio (FCR) and the European Production Efficiency Factor (EPEF). It was found that synbiotics had a beneficial effect on parameters of the performance of chickens, and also resulted in increase in the count of beneficial bacteria and to the restriction in growth of potential pathogens in the gastrointestinal tract. Synbiotics caused an increase in the concentration of lactic acid and SCFA and a decrease in the concentration of BCFA in the broiler’s excreta. These results showed a beneficial effect of the tested synbiotics on the intestinal microbiota, their metabolism and the performance of broiler chickens. The elaborated synbiotics can be successfully used as feed additives for broiler chickens.
Highlights
The aim of the research was to determine the effect of newly elaborated synbiotic preparations on the count of dominant intestinal microorganisms, on the profile of fatty acids, the lactic acid produced and the performance of chickens
The basic parameter examined in terms of the effectiveness of probiotics, prebiotics or synbiotics in chickens is the assessment of the effect of preparations on performance of animals
The aim of our work was to investigate of the influence of newly elaborated synbiotic preparations, used as addition to feed, on the count of dominant intestinal microorganisms in chickens, and on the profile of fatty acids (SCFA, branched-chain fatty acids (BCFA)) and lactic acid produced
Summary
The aim of the research was to determine the effect of newly elaborated synbiotic preparations on the count of dominant intestinal microorganisms, on the profile of fatty acids (short chain – SCFA and branched chain – BCFA), the lactic acid produced and the performance of chickens. Synbiotics caused an increase in the concentration of lactic acid and SCFA and a decrease in the concentration of BCFA in the broiler’s excreta These results showed a beneficial effect of the tested synbiotics on the intestinal microbiota, their metabolism and the performance of broiler chickens. The composition of the intestinal microbiota is readily changeable, which favours the development of gut microorganisms-targeted therapies such as antibiotics, prebiotics, probiotics and synbiotics[7]. ∙ antagonism of pathogens, adherence to Caco-2, inhibition of adherence of pathogens to Caco-2, antibiotic resistance, resistance to bile salts and low pH, auto- and coaggregation and hydrophobicity;
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