Fish meal Fish meal free

20−22 20−26 20−30 20−34 20−38 22−24 22−28 22−32 22−36 22−40 24−28 24−32 24−36 24−40 26−30 26−34 26−38 28−30 28−34 28−38 30−32 30−36 30−40

Protein Ammonia Mycoplasma Lactobacillus

Gammaproteobacteria Firmicutes

Betaproteobacteria Bacteroidetes

Alphaproteobacteria Actinobacteria

Bacteri al Group / Bio chemistr y

Time point pair comparisons

2−4 2−8 2−12 2−16 2−20 4−8 4−12 4−16 4−20 6−10 6−14 6−18 8−10 8−14 8−18 10−12 10−16 10−20 12−16 12−20 14−18 16−18 18−20

Protein Ammonia Mycoplasma Lactobacillus

Gammaproteobacteria Firmicutes

Betaproteobacteria Bacteroidetes

Alphaproteobacteria Actinobacteria

Time point pair comparisons

Bacteri al Group / Bio chemistr y

Time point pair comparisons

Time point pair comparisons

2−4 2−8 2−12 2−16 2−20 4−8 4−12 4−16 4−20 6−10 6−14 6−18 8−10 8−14 8−18 10−12 10−16 10−20 12−16 12−20 14−18 16−18 18−20 20−22 20−26 20−30 20−34 20−38 22−24 22−28 22−32 22−36 22−40 24−28 24−32 24−36 24−40 26−30 26−34 26−38 28−30 28−34 28−38 30−32 30−36 30−40

Time point pair comparisons

Protein Ammonia Mycoplasma Lactobacillus

Gammaproteobacteria Firmicutes

Betaproteobacteria Bacteroidetes

Alphaproteobacteria Actinobacteria

Bacteri al Group / Bio chemistr y

2−4 2−8 2−12 2−16 2−20 4−8 4−12 4−16 4−20 6−10 6−14 6−18 8−10 8−14 8−18 10−12 10−16 10−20 12−16 12−20 14−18 16−18

Protein Ammonia Mycoplasma Lactobacillus

Gammaproteobacteria Firmicutes

Betaproteobacteria Bacteroidetes

Alphaproteobacteria Actinobacteria

Bacteri al Group / Bio chemistr y

Time point pair comparisons

Protein Ammonia Mycoplasma Lactobacillus

Gammaproteobacteria Firmicutes

Betaproteobacteria Bacteroidetes

Alphaproteobacteria Actinobacteria

Bacteri al Group / Bio chemistr y

Fish meal Fish meal free

Stomach Pylor ic ca eca Mid gut

Protein Ammonia Mycoplasma Lactobacillus

Gammaproteobacteria Firmicutes

Betaproteobacteria Bacteroidetes

Alphaproteobacteria Actinobacteria

Bacteri al Group / Bio chemistr y