Table 2. Methane reduction rate in dairy cows according to nitrate supplementation level
Experimental period (days)
Methane production (g kg
−1
DMI d
−1
)
Nitrate supplementation
Methane reduction rate (%)
References
Control
Treatment
90
19.4
16.2
2.1%
16.5
[
57
]
54
25.7
16.6
0.88 g/kg
−1
BW
34
[
58
]
92
18.7
12.6
2.7
33
[
48
]