Prebiotics

Prebiotics are reported to have a variable impact on canine fecal and intestinal microbiota. Supplementing dogs' food with FOS and mannanoligosaccharides increased ileal lactobacilli and fecal lactobacilli and bifidobacteria concentrations (73). Feeding short chain FOS to dogs increased the total number of fecal anaerobes and lowered the number of Clostridium perfringens (17,74). Similar outcome was achieved with arabinogalactan supplementation (15). On the other hand, no significant differences were noticed in the denaturing gradient gel electrophoresis analysis of fecal bacterial profiles when dogs were fed a diet containing 10% fiber (16), and another study revealed no significant effect of FOS supplementation on canine fecal Clostridium spp (18).

FOS supplementation increased fecal lactobacilli and decreased numbers of E. coli in healthy cats, but did not alter the duodenal microbiota (75,76). This supports the notion that, as FOS are nondigestible fibers fermented in the proximal gut in humans (mainly in the large intestine) (77), also in cats FOS have only a minimal effect on the microbes residing in the proximal part of GI tract. In a study of eight cats, feeding lactosucrose increased fecal lactobacilli and bifidobacteria counts significantly, while numbers of clostridia and Enterobacteriaceace decreased significantly (78).

Pregnancy And Childbirth

Pregnancy And Childbirth

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