Table 4 Chemical composition after physical treatment of wheat straw – effect of autoclaving.

From: In vitro ruminal degradability of wheat straw cultivated with white-rot fungi adapted to mushroom farming conditions

Wetting

Dry

Mean

Mean

SEM

p-value

Autoclaving

No

No

Yes

Autoclaving

Crude ash [g/kg DM]

78.5

72.7a

69.1b

0.601

0.034

Crude protein [g/kg DM]

41.5

36.6a

31.1b

1.249

0.009

ADL [g/kg DM]

51.6

54.8b

63.8a

1.152

0.005

Calculated forage quality

 RFQ

56.6

50.8a

47.6b

0.822

0.042

 DMI [g/kg BW]

15.3

13.8a

12.9b

0.019

0.004

In vitro digestibility

 HFT [ml/200 mg DM]

33.0

34.4b

35.5a

0.238

0.034

 ELOS [g/kg DM]

348

354b

378a

0.386

0.006

  1. ADL acid detergent lignin, RFQ relative forage quality index, DMI dry matter intake, BW body weight, HFT gas production (Hohenheim feed value test), ELOS enzymatically soluble organic substance. SEM: standard error of the mean. Variance analysis excluding the untreated control. Treatments with different letters are significantly different (t-test, p < 0.05).