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. 2017 Mar 18;79(3):452-455.
doi: 10.1292/jvms.16-0406. Epub 2017 Jan 8.

Postnatal changes in the relative abundance of intestinal Lactobacillus spp. in newborn calves

Tadashi Takino  1 , Yuko Kato-Mori, Daisuke Motooka, Shota Nakamura, Tetsuya Iida, Katsuro Hagiwara
Affiliations

Postnatal changes in the relative abundance of intestinal Lactobacillus spp. in newborn calves

Tadashi Takino et al. J Vet Med Sci. .

Abstract

The intestinal microbiota of newborn calves changes during the early postnatal period and influences their health and immune function. We studied the compositional changes in the intestinal microbiome of newborn calves during the first week after birth by metagenomic analysis. In feces from newborn calves, we identified 4 bacterial phyla, namely, Actinobacteria, Bacteroidetes, Firmicutes and Proteobacteria. The relative abundance of Lactobacillaceae significantly increased from day 1 to day 7. We evaluated Lactobacillus spp. colony numbers using selective agar plates and confirmed that the abundance of Lactobacillus spp. significantly increased during the first 7 days after birth. In conclusion, Lactobacillus spp. colonized the intestinal tract of calves during the first 7 days after birth.

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Figures

Fig. 1.
Fig. 1.
The relative abundance of intestinal bacteria according to metagenomic analysis. The figure shows changes in the relative abundance of 4 phyla in feces from calves as determined by metagenomics method.
Fig. 2.
Fig. 2.
Abundance of Lactobacillus spp. in feces from calves as determined by the culture method (CFU/g feces).
See this image and copyright information in PMC

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