Skip to main content

Table 3 In situ effective degradability of dry matter (DM) and crude protein (CP) at two passage rates1, 2

From: In situ ruminal degradation characteristics of dry matter and crude protein from dried corn, high-protein corn, and wheat distillers grains

Item

Soybean meal

Wheat DDGS

Corn DDGS

HP-DDGS

SE

P value

Effective degradability of DM

  K pB = 0.025, h−1

86.5a

76.0b

63.5c

50.5d

0.5

<0.001

  K pB = 0.06, h−1

75.9a

67.0b

52.8c

38.7d

0.9

<0.001

Effective degradability of CP

  K pB = 0.025, h−1

85.3a

82.3a

53.2b

39.3c

1.4

<0.001

  K pB = 0.06, h−1

73.9a

71.2a

42.5b

28.6c

1.5

<0.001

  1. 1 DDGS distillers dried grains with solubles, HP-DDGS high-protein corn DDGS
  2. 2Means of 12 observations
  3. Effective degradability = A + B [K dB/(K dB + K pB)], where A = 53-μm filterable and soluble fraction, B = degradable fraction, C = undegradable fraction, K dB = degradation rate of degradable B fraction, and K pB = ruminal passage rate of degradable B fraction
  4. a−dMeans with different superscripts within the same row differ (P < 0.05)