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Table 2 Effect of elemental sulfur (S), urea (U) and fresh cassava root (FCR) on kinetics of gas and gas production at 96 h of incubation

From: Sulfur, fresh cassava root and urea independently enhanced gas production, ruminal characteristics and in vitro degradability

Treatments S (%) U (%) FCR (mg) Kinetics of gas Gas production (mL/g)
a (mL) b (mL) c a+b (mL)
T1 0 2 0 -4.53 86.05 0.052 81.51 80.92
T2 0 4 0 -5.71 95.65 0.053 89.94 89.61
T3 1 2 0 -3.25 91.53 0.052 98.28 90.41
T4 1 4 0 -5.20 88.84 0.050 83.64 83.91
T5 2 2 0 -3.42 89.60 0.051 86.18 85.52
T6 2 4 0 -6.34 82.63 0.049 76.29 86.50
T7 0 2 200 -8.13 104.20 0.078 96.07 105.95
T8 0 4 200 -7.32 102.11 0.075 94.78 94.38
T9 1 2 200 -9.78 109.43 0.089 99.65 99.64
T10 1 4 200 -8.58 104.78 0.076 96.20 94.80
T11 2 2 200 -9.37 106.90 0.080 97.54 97.51
T12 2 4 200 -9.64 107.32 0.082 97.68 102.62
T13 0 2 300 -10.05 118.63 0.090 108.58 122.35
T14 0 4 300 -11.30 122.37 0.093 111.06 130.75
T15 1 2 300 -11.24 119.00 0.091 107.76 113.20
T16 1 4 300 -11.11 123.97 0.095 112.86 113.86
T17 2 2 300 -11.79 127.79 0.097 116.00 115.68
T18 2 4 300 -12.08 120.93 0.093 108.68 116.62
T19 0 2 400 -11.00 102.46 0.075 91.46 98.45
T20 0 4 400 -11.66 105.56 0.077 93.89 94.87
T21 1 2 400 -11.56 110.58 0.087 99.02 101.96
T22 1 4 400 -12.00 103.93 0.074 91.39 93.73
T23 2 2 400 -11.27 110.64 0.080 99.37 106.31
T24 2 4 400 -12.08 110.60 0.081 98.51 104.51
SEM 1.84 12.20 0.015 9.87 12.40
S (%)
 0 -8.71 104.62b 0.07 100.91 102.16
 1 -9.08 106.44a 0.07 99.23 98.93
 2 -9.49 107.05a 0.07 131.65 101.89
P-Value 0.081 0.016 0.110 0.412 0.245
U (%)
 2 -8.78 106.40 0.07 100.64b 101.49
 4 -9.41 105.67 0.07 142.35a 100.50
P-Value 0.175 0.282 0.086 <0.0001 0.324
FCR (mg)
 0 -4.74a 89.05c 0.05c 86.14 86.14c
 200 -8.80b 105.79b 0.08b 99.49 99.15b
 300 -11.26c 122.11a 0.09a 115.06 118.72a
 400 -11.59c 107.20b 0.08b 189.19 99.97b
P-Value <0.0001 <0.0001 <0.0001 0.367 <0.0001
Interaction
 S*U 0.949 0.103 0.558 0.117 0.217
 S*FCR 0.738 0.465 0.764 0.599 0.232
 U*FCR <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
 S*U*FCR 0.428 0.776 0.888 0.893 0.076
  1. a means the gas production from the immediately soluble fraction (mL); b means the gas production from the insoluble fraction (mL); c means the gas production rate constant for the degradable fraction b; a+b means the potential extent of gas production (mL)
  2. a,b,c means within column showed with different superscript letter accepted significantly different