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Table 3 Rumen fermentation parameters affected by different protein source of diets

From: Effects of different protein sources on nutrient disappearance, rumen fermentation parameters and microbiota in dual-flow continuous culture system

Item

Treatments

SEM

P-Value

SBM

RSM

CSM

pH

6.84a

6.68b

6.62b

0.03

< 0.01

NH3-N(mg/dL)

3.10b

4.63a

5.46a

0.38

< 0.01

Protozoa, × 103cells/mL

19.04

15.19

14.01

0.98

0.09

Acetate (%)

68.14a

65.19b

68.06a

0.80

< 0.01

Propionate (%)

15.85b

18.30a

16.50b

0.62

< 0.01

Butyrate (%)

10.63b

13.04a

11.71b

1.30

< 0.01

Valerate (%)

2.18

1.80

1.84

0.12

0.33

Branch-chained SCFAs

2.38a

2.25a

1.88b

0.06

< 0.01

Total SCFAs (mM)

119.73a

102.13b

108.61b

6.03

0.05

Acetate/Propionate

4.34a

3.58b

4.16a

0.11

< 0.01

  1. SBM: Soybean meal; RSM: Rapeseed meal; CSM: Cottonseed meal
  2. a, bMean values within a row with unlike superscript letters were significantly different (P < 0.05)