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. 2022 Nov 30;6(4):txac152. doi: 10.1093/tas/txac152

Table 3.

Effect of pine-sourced biochar addition at 0.8% of dietary DM on performance and gas emissions of growing steers

Treatments
Control Biochar SEM P-value
Performance
 Initial BW, kg 363 363 0.91 0.96
 Ending BW, kg 477 479 2.04 0.50
 DMI, kg/d 8.57 8.45 0.08 0.23
 ADG, kg 1.45 1.47 0.023 0.46
 Gain:Feed 0.170 0.175 0.003 0.25
Gas emissions
 DMI, kg/steera 9.6 9.7 0.11 0.52
 CH4, g/steer 196.2 203.8 6.62 0.45
 CH4, g/kg of DMI 20.5 20.9 0.66 0.60
 CO2, g/steer 5,725 5,982 143.1 0.25
 CO2, g/kg of DMI 561.3 581.4 10.8 0.24

a Dry matter intake (DMI) was used to unitize reported emissions and was averaged from the weekly intakes of each treatment during rotation through the respective emission chambers.