Effect of Streptococcus faecalis BIO-4R on intestinal flora of weanling piglets and calves.

Applied and Environmental Microbiology
K OzawaI Oku

Abstract

The effect of oral administration of Streptococcus faecalis BIO-4R, an antibiotic-resistant lactic acid bacterium, on the intestinal flora of weanling piglets and cows reared on antibiotic-containing diet was investigated. Fourteen days after administration of the bacteria, the intestinal flora of the piglets was examined. Animals of the administered group had stabilized lactic flora such as bifidobacteria, streptococci, and lactobacilli, whereas most animals of control group had reduced lactic flora. On the other hand, abundant yeasts were detected from the cecum, colon, and feces of the control animals, but the levels were significantly lower in the animals given strain BIO-4R. The density of Salmonella in the intestine appeared to be reduced after the administration of strain BIO-4R. The number of BIO-4R cells was shown to be 10 times lower in the duodenum and jejunum than in the ileum, suggesting that strain BIO-4R might have grown transiently in the ileum. The similar trend toward stabilization of the lactic flora was also observed in cows after administration of BIO-4R. In addition, an antagonistic effect of the strain against yeasts and Salmonella was suggested. These findings indicate that the oral administration of str...Continue Reading

References

Jul 1, 1974·Japanese Journal of Microbiology·K Ueba, K Ozawa
Sep 1, 1969·Journal of Bacteriology·B Greenberg
Dec 1, 1969·The American Journal of the Medical Sciences·A S Klainer, W R Beisel
Oct 1, 1981·Nihon juigaku zasshi. The Japanese journal of veterinary science·K OzawaT Mitsuoka
Jul 1, 1965·The Journal of Experimental Medicine·R DUBOSP HOET

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Citations

Sep 6, 2002·Animal Biotechnology·Gregor Reid, Robert Friendship
Jul 1, 1990·Archiv für Tierernährung·M VanbelleM Focant
Apr 20, 2005·Journal of Applied Microbiology·J H Kang, M S Lee
Sep 30, 2006·Folia Microbiologica·E VlkováV Rada

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