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. 2023 Sep 29;11(10):2452. doi: 10.3390/microorganisms11102452

Table 1.

Distribution of bacterial microbiota along the GIT of dogs and cats.

Stomach Small Intestine Colon Feces References
The number of
total bacteria		 104–105 CFU/g
(dogs and cats)		 105–109 CFU/g
(dogs and cats)		 109–1011 CFU/g
(dogs and cats) 		108–1011 CFU/g
(dogs and cats)		 [36]
Dominant bacteria Helicobacter and
Lactobacillus
(dogs and cats)		 [28,36]
Firmicutes
Proteobacteria
Bacteroidetes
Fusobacteria
Actinobacteria
(dogs and cats)		 [19,28,36,37]
Firmicutes, Proteobacteria, Bacteroidetes, Fusobacteria, and Actinobacteria (dogs and cats); a core microbiota composed of Firmicutes, Bacteroidetes, and Fusobacteria (dogs); Fusobacterium, Prevotella 9, and Bacteroides (dogs and cats) [18,36,40]