Twenty-eight strains of enteropathogens, including Campylobacter, Salmonella, Shigella, enterotoxigenic Escherichica coli (ETEC), Staphylococcus and Bacillus were added to cereal gruels prepared from low-tannin sorghum and inoculated with a lactic acid starter culture. Campylobacter strains were not detectable after 6 h, and Salmonella, Shigella and Staphylococcus strains not after 12 h. No viable cells of Bacillus strains were detected after 16 h of fermentation and the ETEC strains were completely inhibited after 24 h. No strain variability was observed within the different genera. In control gruels (no starter culture added), all the enteropathogens increased in number during incubation at 32°C except for the Campylobacter strains which decreased after 12 h of incubation.
Dietary treatment and intestinal damage at admission explain 13.5% of the variation in L/M ratio, but when age at admission and age at weaning are included as covariants, 21.9% is explained. FAD porridge seems to be more effective in the treatment of intestinal permeability than AMD or conventional porridge. Urinary lactose concentrations in spot urine samples taken prior to the permeability test were also measured. There was a significant correlation with the L/M ratio (correlation coefficient = 0.62, p < 0.001).
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