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. 2023 Sep 29;101:skad332. doi: 10.1093/jas/skad332

Table 8.

Change from baseline fecal bacterial phyla and genera (relative abundance, %) of overweight cats during weight loss

Phyla Genus △wk0-wk4 △wk0-wk8 △wk0-wk12 △wk0-wk16 △wk0-wk20 △wk0-wk24 P-value
FT1 OR1 FT1 OR1 FT1 OR1 FT1 OR1 FT1 OR1 FT1 OR1 SEM2 Diet Week Diet*wk
Actinobacteriota 1.37 1.59 −1.45 0.26 −0.58 −3.10 −3.73 −2.68 −1.26 −2.02 −4.14 −1.60 1.53 0.0525 0.3320 0.9627
Actinomyces −0.01 0.00 −0.01 0.01 0.01 0.01 −0.02 0.01 −0.02 0.01 −0.01 0.01 0.01 0.0209 0.4883 N/A3
Bifidobacterium 0.06 0.19 −0.03 0.15 −0.08 0.03 −0.03 −0.06 0.02 −0.05 −0.06 −0.03 0.10 0.0312 0.5526 N/A3
Uncultured Eggerthellaceae 0.02 0.00 0.01 0.01 0.00 0.01 0.00 −0.01 0.01 0.00 0.01 −0.01 0.01 0.0436 0.8721 N/A3
Parvibacter 0.03 0.00 0.02 0.00 0.01 −0.01 0.00 −0.01 0.01 −0.01 0.00 0.00 0.01 0.0005 0.2309 N/A3
Slackia 0.07 0.00 0.09 −0.02 0.04 −0.05 0.02 −0.02 0.08 −0.04 0.01 −0.05 0.03 0.0058 0.0872 0.4835
Bacteroidota 2.58 5.21 6.09 4.76 2.58 6.09 2.86 4.54 4.45 8.36 7.35 10.04 2.25 0.0173 0.3647 N/A3
Alloprevotella 0.11 0.47 0.26 0.39 −0.05 0.31 0.30 0.47 0.51 0.32 0.75 0.59 0.35 0.0465 0.7101 N/A3
Campilobacterota 0.14 0.53 −0.01 0.30 −0.05 0.28 0.33 0.33 −0.01 0.41 0.22 0.25 0.18 0.0006 0.6987 N/A3
Firmicutes −5.11 −7.23 −4.27 −6.71 −2.22 −2.38 −2.57 −5.04 −4.33 −7.20 −10.93 −13.60 3.48 0.8327 0.2225 0.3126
Catenibacterium −1.10 −1.36 −0.28 −1.17 −0.44 −1.58 −1.20 −1.93 −0.75 −1.10 −0.97 −2.27 0.72 0.0091 0.8660 N/A3
Lachnospiraceae− CHKCI001 0.00 0.02 0.00 0.03 0.00 0.02 0.00 0.01 0.00 0.01 0.01 0.01 0.01 0.0389 0.9370 N/A3
Enterococcus 0.16 −0.13 0.25 −0.01 0.25 −0.21 −0.08 −0.14 −0.08 −0.13 −0.05 −0.15 0.18 0.0064 0.4917 N/A3
Erysipelatoclostridium 0.46 −0.02 0.71 0.03 0.43 −0.03 0.50 −0.06 0.53 −0.04 0.36 −0.02 0.12 <0.0001 0.1534 0.8098
Unclassified Erysipelotichaceae 0.01 0.01 0.04 0.01 0.01 0.00 0.00 −0.01 0.02 −0.01 0.00 −0.01 0.01 0.0808 0.0408 N/A3
Eubacterium− Brachy group 0.03 0.00 0.01 −0.01 −0.01 −0.02 0.00 0.02 0.03 −0.04 −0.01 −0.04 0.03 0.0075 0.7671 N/A3
Eubacterium− Halli group 0.19 −0.54 0.09 −0.71 −0.21 −0.59 −0.04 −0.61 0.10 −0.44 −0.27 −0.81 0.25 0.0103 0.4708 N/A3
Holdemanella −0.69 −0.35 0.06 −0.54 −0.74 −1.82 −1.14 −0.45 −0.66 −0.36 −2.46 −2.35 0.81 0.9591 0.0186 0.7629
Howardella 0.01 −0.02 0.01 −0.02 0.01 −0.02 −0.01 −0.02 −0.02 −0.02 −0.02 −0.02 0.01 0.0052 0.6626 N/A3
Lachnospiraceae 0.00 0.00 0.01 −0.01 0.02 0.00 0.01 −0.01 0.01 −0.01 0.04 0.00 0.02 0.0379 0.8961 N/A3
Lactobacillus −11.92 −5.04 −12.55 −5.10 −8.77 4.20 −7.66 −2.14 −9.56 0.07 −14.61 −6.92 3.24 0.0310 0.0024 0.4450
Negativibacillus 0.29 0.09 0.40 0.01 0.29 −0.03 0.34 0.00 0.51 0.01 0.28 −0.02 0.08 <0.0001 0.9692 N/A3
Peptoclostridium 3.22 −0.60 2.03 0.59 2.02 −1.62 0.52 −1.61 0.98 −1.33 −1.29 −0.59 0.93 0.0392 0.0064 0.0262
Peptococcus 1.06 0.43 0.78 0.08 0.40 −0.05 0.98 0.01 1.01 −0.13 0.33 −0.23 0.34 0.0682 0.0412 0.6252
Romboustia −0.06 0.04 0.05 0.14 0.11 0.23 −0.07 −0.04 −0.15 −0.09 −0.13 −0.09 0.12 0.7569 0.0117 N/A3
Ruminococcus−Gauvreauii group 0.21 0.16 0.31 0.11 0.24 0.12 0.14 −0.01 0.28 0.04 0.21 −0.08 0.08 0.0004 0.1180 N/A3
Solobacterium 0.05 −0.02 0.13 −0.02 0.02 −0.02 0.09 −0.02 0.16 −0.02 0.00 −0.01 0.05 <0.0001 0.9138 N/A3
Clostridia−UCG−014 0.01 0.07 0.06 −0.01 0.05 −0.01 0.06 0.01 0.08 0.01 0.04 0.01 0.03 0.0041 0.9274 N/A3
Fusobacteriota 1.01 0.04 1.61 0.62 1.13 −1.10 3.33 2.23 1.35 0.24 5.95 3.50 1.48 0.4146 0.0041 0.9038
Proteobacteria 0.01 −0.13 −0.22 0.79 −0.93 0.20 −0.23 0.64 −0.20 0.17 1.51 1.42 1.19 0.1174 0.8285 N/A3

1FT, Fit & Trim (Orijen; Champion Petfoods, Edmonton, Canada); OR, Original (Orijen; Champion Petfoods, Edmonton, Canada).

2SEM, pooled standard error of the means.

3N/A, Wilcoxon signed ranks test; no interaction effect between diet and week.