Short communication: Development of an equation for estimating methane emissions of dairy cows from milk Fourier transform mid-infrared spectra by using reference data obtained exclusively from respiration chambers

Journal of Dairy Science
A VanlierdeF Dehareng

Abstract

Evaluation and mitigation of enteric methane (CH4) emissions from ruminant livestock, in particular from dairy cows, have acquired global importance for sustainable, climate-smart cattle production. Based on CH4 reference measurements obtained with the SF6 tracer technique to determine ruminal CH4 production, a current equation permits evaluation of individual daily CH4 emissions of dairy cows based on milk Fourier transform mid-infrared (FT-MIR) spectra. However, the respiration chamber (RC) technique is considered to be more accurate than SF6 to measure CH4 production from cattle. This study aimed to develop an equation that allows estimating CH4 emissions of lactating cows recorded in an RC from corresponding milk FT-MIR spectra and to challenge its robustness and relevance through validation processes and its application on a milk spectral database. This would permit confirming the conclusions drawn with the existing equation based on SF6 reference measurements regarding the potential to estimate daily CH4 emissions of dairy cows from milk FT-MIR spectra. A total of 584 RC reference CH4 measurements (mean ± standard deviation of 400 ± 72 g of CH4/d) and corresponding standardized milk mid-infrared spectra were obtained from...Continue Reading

References

Jun 22, 2012·Animal : an International Journal of Animal Bioscience·H SoyeurtS McParland
Oct 4, 2012·Animal : an International Journal of Animal Bioscience·F DeharengP Dardenne
Oct 7, 2015·Journal of Animal Science·J GuyaderC Martin

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Citations

Feb 7, 2020·Animal : an International Journal of Animal Bioscience·K A BeaucheminM Wang
Jun 26, 2020·Animal : an International Journal of Animal Bioscience·J Lassen, G F Difford
May 14, 2020·Journal of Animal Science and Biotechnology·Sadjad Danesh MesgaranBjörn Kuhla
Apr 8, 2020·Animal Frontiers : the Review Magazine of Animal Agriculture·John B ColeJennie E Pryce
Apr 26, 2020·Journal of Dairy Science·Jennie E Pryce, Mekonnen Haile-Mariam
Jul 10, 2019·Animal : an International Journal of Animal Bioscience·J J Gross, R M Bruckmaier
Apr 24, 2020·Journal of Animal Science and Biotechnology·K M TipladyD J Garrick
Nov 23, 2020·Journal of the Science of Food and Agriculture·Amélie VanlierdeHélène Soyeurt
Aug 9, 2020·Methods : a Companion to Methods in Enzymology·C GreletF Dehareng
Mar 7, 2021·Animals : an Open Access Journal From MDPI·Lei ZhangHélène Soyeurt
Jul 22, 2021·Genetics, Selection, Evolution : GSE·Kathryn M TipladyMathew D Littlejohn

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