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Table 3 Effect of elemental sulfur (S), urea (U) and fresh cassava root (FCR) on rumen pH, ammonia-nitrogen (NH3-N), hydrogen cyanide (HCN) and protozoal number

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

Treatments S (%) U (%) FCR (mg) pH NH3-N (mg%) HCN (mg/L) Protozoa (×105 cell/mL)
T1 0 2 0 6.51 21.1 0.0053 5.5
T2 0 4 0 6.42 21.8 0.0051 5.6
T3 1 2 0 6.48 20.8 0.0050 5.0
T4 1 4 0 6.54 21.9 0.0049 5.4
T5 2 2 0 6.53 20.7 0.0048 4.8
T6 2 4 0 6.55 21.6 0.0048 5.0
T7 0 2 200 6.31 21.3 0.0058 5.2
T8 0 4 200 6.36 22.0 0.0059 5.7
T9 1 2 200 6.28 20.6 0.0055 5.0
T10 1 4 200 6.36 21.6 0.0054 4.9
T11 2 2 200 6.30 20.7 0.0047 5.3
T12 2 4 200 6.32 21.7 0.0046 5.6
T13 0 2 300 6.30 20.6 0.0074 5.2
T14 0 4 300 6.34 22.1 0.0076 5.4
T15 1 2 300 6.28 21.1 0.0057 4.8
T16 1 4 300 6.35 21.5 0.0056 5.3
T17 2 2 300 6.31 21.1 0.0049 5.4
T18 2 4 300 6.34 21.8 0.0048 5.5
T19 0 2 400 6.15 20.1 0.0088 5.5
T20 0 4 400 6.22 21.8 0.0091 5.3
T21 1 2 400 6.18 20.7 0.0076 5.5
T22 1 4 400 6.22 22 0.0079 5.8
T23 2 2 400 6.19 21.1 0.0075 5.4
T24 2 4 400 6.25 21.6 0.0076 5.5
SEM 0.12 0.09 0.001 0.27
S (%)
 0 6.32 21.41 0.006a 5.42
 1 6.33 21.28 0.005b 5.31
 2 6.35 21.28 0.005b 5.21
P-Value 0.771 0.080 <0.0001 0.231
U (%)
 2 6.31 20.84b 0.006 5.42
 4 6.35 21.81a 0.006 5.36
P-Value 0.119 <0.0001 0.518 0.189
FCR (mg)
 0 6.50a 21.35 0.004d 5.21
 200 6.32b 21.33 0.005c 5.29
 300 6.31b 21.30 0.006b 5.26
 400 6.20c 21.30 0.008a 5.50
P-Value <0.0001 0.397 <0.0001 0.406
Interaction
 S*U 0.961 0.002 0.634 0.140
 S*FCR 0.632 0.254 <0.0001 0.804
 U*FCR 0.036 <0.0001 0.022 0.753
 S*U*FCR 0.213 <0.0001 0.746 0.061
  1. a,b,c,d means within column showed with different superscript letter accepted significantly different