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Table 2 Rumen fermentation indexes of sheep fed on different energy diets

From: High-energy diet modify rumen microbial composition and microbial energy metabolism pattern in fattening sheep

Item

LE

CON

HE

p-value

Ammonia nitrogen, mmol/L

8.8 ± 0.39

10.09 ± 0.87

8.38 ± 1.23

0.75

pH

5.98 ± 0.05

5.78 ± 0.20

5.70 ± 0.21

0.25

MCP, μg/mL

1149.88 ± 120.94a

1224.08 ± 98.95a

2777.78 ± 163.53b

0.01

Acetic acid, mmol/L

44.54 ± 3.12b

35.37 ± 3.88 ab

32.09 ± 3.48a

0.02

Propionic acid, mmol/L

9.57 ± 3.12 ab

12.07 ± 3.88 b

7.22 ± 3.48 a

0.01

Isobutyric acid, mmol/L

0.83 ± 0.09 b

0.94 ± 0.09b

0.57 ± 0.06a

0.01

Butyric acid, mmol/L

6.48 ± 0.39 a

6.75 ± 0.96 a

12.26 ± 1.01b

0.01

Isovaleric acid, mmol/L

0.97 ± 0.11 b

1.18 ± 0.08 b

0.58 ± 0.08 a

0.01

Valeric acid, mmol/L

0.47 ± 0.04 a

0.78 ± 0.12 b

0.60 ± 0.08

0.02

Acetic / Propionic ratio

4.70 ± 0.35 ab

3.10 ± 0.37 a

4.82 ± 0.81b

0.04

Total VFA, mmol/L

62.83 ± 3.26

57.07 ± 5.47

53.3 ± 3.67

0.75

  1. Different superscript letters denote the significant difference. Same as below