The Effect of Probiotics on Broiler Growth and Intestinal Morphology when Used to Prevent Campylobacter jejuni Colonization
Keywords:
bioproductive performances, broiler, probiotics, intestinal mucosa, pathogenic microorganismsAbstract
The aim of this work was to establish the effect of probiotic microorganisms on growth performance and intestinal changes caused by Campylobacter jejuni colonization. In this respect, we used four probiotic microorganisms, namely: Lactobacillus paracasei JR, L. rhamnosus 15b, Y L. lactis and L. lactis FOA.The administration of probiotic microorganisms in different combinations and in different periods of growth does not significantly influence the bioproductive indices of broilers, that is, the total gain, feed intake and FCR (p>0.05). After studying the intestinal mucosa, it was concluded that the four microorganisms administered in broiler’s food determines changes in the mucosa, inhibiting the development of Campylobacter jejuni, by the presence of smaller goblet cells and the presence of reduced leukocyte infiltration in the chorion of the mucosal.
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