Table 4 Identified metabolic pathways associated with RFI differences in young bulls fed either corn- or grass-silage diets.

From: Common and diet-specific metabolic pathways underlying residual feed intake in fattening Charolais yearling bulls

Pathway

TC1

Hits2

Corn

Grass1

FDR3

Impact4

FDR

Impact

\(\beta\)-Alanine metabolism

21

5

0.01

0.5

Valine, leucine and isoleucine degradation

40

3

0.01

0.00

Valine, leucine and isoleucine biosynthesis

8

4

0.03

0.00

Pyrimidine metabolism

38

2

0.03

0.00

0.03

0.00

Purine metabolism

66

1

0.01

0.00

Propanoate metabolism

23

1

0.03

0.00

Porphyrin and chlorophyll metabolism

30

2

0.01

0.00

Pantothenate and CoA biosynthesis

19

4

0.03

0.02

0.01

0.02

Nitrogen metabolism

6

2

0.01

0.00

Lysine degradation

25

2

0.05

0.14

Histidine metabolism

16

6

0.01

0.36

Glyoxylate and dicarboxylate metabolism

32

5

0.01

0.17

Glycerophospholipid metabolism

36

1

0.01

0.03

Glutathione metabolism

28

4

0.01

0.11

D-Glutamine and D-glutamate metabolism

5

2

0.01

1.00

Butanoate metabolism

15

1

0.01

0.00

Biotin metabolism

10

1

0.05

0.00

Arginine biosynthesis

14

6

0.01

0.48

Arginine and proline metabolism

38

5

0.03

0.39

Aminoacyl-tRNA biosynthesis

48

20

0.03

0.17

Alanine, aspartate and glutamate metabolism

28

5

0.01

0.53

  1. 1: Total number of metabolites theoretically considered by the KEGG database for identify metabolic pathways.
  2. 2: Metabolites effectively quantified in the current study (Figs. 3, 4).
  3. 3: FDR > 0.05 is depicted by “–”.
  4. 4: Topological analysis of impact of the current metabolic pathway.