Huhtanen, Pekka
- Natural Resources Institute Finland (LUKE)
Abstract
A meta-analysis was conducted to predict potential methane emission from manure in dairy cows. Biogas production from manure offers considerable environmental benefits and renewable energy is produced. The developed models predicted faecal concentrations of potentially digestible neutral detergent fibre, neutral detergent solubles and crude protein with adjusted root mean square errors of 15.4, 12.9 and 5.0 g/kg dry matter, respectively. Average model predicted potential methane production (adjusted root mean square error) of 1040 (53.9) g/d per cow, 51.9 (2.5) g/kg dry matter intake and 203 (3.2) g/kg faecal organic matter (volatile solids). Potential methane production from dairy cow manure can be predicted from diet and animal characteristics. Potential methane production is positively related to diet digestibility and daily feed intake. Determination of indigestible neutral detergent fibre concentration by a long ruminal in situ incubation is a useful tool in predictions of potential methane production in dairy cow manure.
Keywords
Manure methane; Fermentable substrates; Digestible fiber
Published in
Animal Feed Science and Technology
2021, volume: 282, article number: 115120
SLU Authors
Krizsan, Sophie Julie
- Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences
- Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences
Ramin, Mohammad
- Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences
- Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences
Global goals (SDG)
SDG7 Affordable and clean energy
UKÄ Subject classification
Animal and Dairy Science
Publication identifier
- DOI: https://doi.org/10.1016/j.anifeedsci.2021.115120
Permanent link to this page (URI)
https://res.slu.se/id/publ/114283