Table 5. Differentially abundant predicted microbial enzyme commission (EC) numbers (at least ≥ 0.1% average relative abundance across all samples) by diet effect at 3 h of incubation¹⁾

Enzymes	EC number	Relative abundance (%)			SEM	Coefficient	p-value	q-value
Enzymes	EC number	Growing	Early fattening	Late fattening	SEM	Coefficient	p-value	q-value
2-oxoacid oxidoreductase (ferredoxin)	EC:1.2.7.11	0.204^b	0.204^b	0.215^a	0.0031	0.0178	0.0024	0.0294
Purine-nucleoside phosphorylase	EC:2.4.2.1	0.146^b	0.148^b	0.150^a	0.0024	0.0110	0.0004	0.0072
Adenosylcobinamide-GDP ribazoletransferase	EC:2.7.8.26	0.107^b	0.107^b	0.108^a	0.0013	0.0052	0.0025	0.0299
S-ribosylhomocysteine lyase	EC:4.4.1.21	0.123^a	0.119^ab	0.114^b	0.0025	−0.0119	0.0020	0.0259
Asparagine synthase (glutamine-hydrolyzing)	EC:6.3.5.4	0.189^a	0.184^b	0.184^b	0.0018	−0.0070	0.0019	0.0245

Statistical analysis was performed using MaAsLin2 with q = 0.05 as cutoff.
Superscripts indicate statistically significant differences (p < 0.05).
GDP, guanosine diphosphate.