Synbiotics impact on dominant faecal microbiota and short-chain fatty acids production in sows
2019
: The aim of this study was to estimate the influence of synbiotics on intestinal microbiota and its metabolism in sows. Three different synbiotics were administered with feed to animals from three experimental groups. Two groups of sows were given commercially available probiotics (BioPlus 2B®, Cylactin® LBC) as forage additives for comparison. The control group of sows was given unmodified fodder. The study was conducted for 48 days (10 days before farrowing, and continued 38 days after) and faeces samples were collected four times. The scope of this work was to designate the dominant microbiota in sows' faeces. Therefore, the total number of anaerobic bacteria, Bifidobacterium sp., Lactobacillus sp., Bacteroides sp., Clostridium sp., Enterococcus sp., Enterobacteriaceae, Escherichia coli and yeast was determined, using the plate method. Changes in the concentration of lactic acid, short-chain fatty acids (SCFAs) and branched-chain fatty acids (BCFAs) were also determined in correlation with the feed additives administered to the sows using high-performance liquid chromatography analysis (HPLC). Our results allowed us to conclude that synbiotics have a beneficial effect on intestinal microbiota of sows and its metabolism. We observed that the impact of the synbiotics on the microbiota was more significant than the one induced by probiotics.
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