Table 3 The IVDMD, and fermentation quality of the tested A. oryzae fungal biomass, silage and rapeseed meal ingredients, and the comparisons of the methods at 48h

IVDMD, %

72.66^de

81.44^bc

85.94^ab

68.80^efg

50.9ⁱ

69.69^de

71.51^ef

78.16^cd

66.64^fg

57.02^h

84.11^ab

82.33^bc

88.63^a

65.02^g

70.25^efg

1.94

0.631

NH₄⁺-N, mg/L

540^a

340^e

480^b

95ⁱ

210^g

480^b

335^e

405^d

120^hi

155^h

415^d

460^bc

430^cd

115ⁱ

255^f

12.82

0.974

Total Gas, mL/g DM

43.81^b

39.47^cd

53.19^a

37.52^d

36.58^d

26.34^e

31.92^de

42.43^c

19.67^f

35.86^d

3.01

0.763

H₂, mL/g DM

5.87^bc

6.43^b

5.95^bc

9.02^b

2.34^d

5.38^bc

5.69^bc

4.70^c

6.86^b

2.05^d

0.89

0.370

CO₂, mL/g DM

34.18^a

29.41^abc

32.68^b

23.34^de

21.67^de

15.28^f

20.26^e

28.96^bc

12.79^f

24.73^cd

3.2

0.003

CH₄, mL/g DM

6.23^d

11.40^b

14.56^a

5.46^d

12.58^b

5.65^d

5.96^d

8.75^c

0.22^e

8.84^c

0.93

0.188

TVFAs, mmol/L

79.13^d

93.28^ab

99.23^a

84.49^bcd

85.32^bcd

76.97^d

87.30^bc

84.61^bcd

82.15^cd

77.10^d

3.13

0.003

Acetic, mmol/L

50.00^de

58.06^b

65.50a

49.40^de

49.40^de

50.96^cd

56.45^bc

51.45^cd

45.96^de

44.13^e

2.17

0.040

Butyric, mmol/L

18.92^d

22.46^abcd

20.41^cd

27.17^ab

25.21^abc

22.13^bcd

20.32^cd

21.95^bcd

28.63^a

25.31^abc

2.04

0.553

Propionic, mmol/L

9.15^cd

12.46^abc

13.32^ab

15.25^a

10.69^bcd

3.88^e

10.53^bcd

11.20^bc

7.55^d

7.66^d

1.21

< 0.001