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Table 4 Effects of supplementary allicin (AL) on daily methane production and ruminal fermentation in ewes

From: Effect of supplementation of allicin on methanogenesis and ruminal microbial flora in Dorper crossbred ewes

Itema

Treatmentsb

SEM

P value

Basal diet

AL

Methane production

    

 L

61.6

64.0

3.46

0.151

 L/kg BW0.75

2.85

2.69

0.06

0.007

 L/kg DOM intake

66.1

61.0

2.02

0.009

pH

5.98

5.96

0.04

0.601

Ammonia, mg/100 mL

10.9

9.37

0.30

0.024

Total VFA, mmol/L

109.4

125.1

4.15

0.014

Molar proportions, %

    

 Acetate

72.2

69.7

0.59

0.023

 Propionate

14.8

14.9

0.42

0.906

 Isobutyrate

1.32

1.86

0.09

0.011

 Butyrate

9.43

11.0

0.24

0.003

 Isovalerate

1.37

1.68

0.08

0.054

 Valerate

0.89

0.71

0.04

0.363

 Acetate:propionate

4.98

4.83

0.16

0.455

  1. aBW bodyweight, DOM digestible organic matter, VFA volatile fatty acids
  2. bCON ewes fed basal diet, AL ewes fed basal diet supplemented with allicin