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. 2019 Nov;103(6):1785-1791.
doi: 10.1111/jpn.13182. Epub 2019 Sep 25.

Microstructure of the small intestine in broiler chickens fed a diet with probiotic or synbiotic supplementation

Joanna Bogucka  1 , David Miguel Ribeiro  2   3 , Monika Bogusławska-Tryk  1 , Agata Dankowiakowska  1 , Rosário Plácido Roberto da Costa  2   4 , Marek Bednarczyk  5
Affiliations

Microstructure of the small intestine in broiler chickens fed a diet with probiotic or synbiotic supplementation

Joanna Bogucka et al. J Anim Physiol Anim Nutr (Berl). 2019 Nov.

Abstract

The aim of the study was to determine the effect of dietary supplementation of a probiotic and a synbiotic on the morphometric parameters of the small intestine of broiler chickens. The experiment was conducted on three hundred sixty, one-day-old female Ross 308 chicks, which were randomly selected from 20,000 birds and divided into three treatment groups (n = 120) with ten replicates per treatment. The control group (C) was fed a commercial diet, the probiotic group (PRO) was fed the same diet with an added 1% of the probiotic Lavipan® (Lactococcus lactis, Carnobacterium divergens, Lactobacillus casei, Lactobacillus plantarum and Saccharomyces cerevisiae), and the synbiotic group (SYN) was fed the commercial diet with an added synbiotic: 0.8% of the prebiotic RFO (extracted from lupin seeds) and 1% Lavipan®. According to the manufacturer's data, apart from the typical probiotic action,microorganisms contained in the preparation release anti-bacterial substances (hydrogen peroxide and bacteriocins) and, therefore, are antagonistic towards pathogenic bacteria present in the gut of animals. Supplementation took place in the first seven days of rearing, and all birds had ad libitum access to water and feed during the 42 days of the experiment. On the last day, all birds were slaughtered and samples from three segments of the small intestine were taken. Villi area, height, width and crypt depth ratios were read using Multiscan software. Synbiotic supplementation increased the BWG of broilers from first to tenth day of rearing, compared to the control group. The PRO group had improved villi morphometric parameters of the duodenum. In the jejunum and ileum, both bioactive substances improved villus width and villus surface area. Crypts were deeper in the small intestine of birds supplemented with bioactive substances, which allows greater renewal of the villi. As expected, the intestinal morphometric parameters of broiler chickens benefited from bioactive substance supplementation.

Keywords: broiler chicken; probiotics; small intestine morphology; synbiotics.

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References

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