Interchangeability between methane measurements in dairy cows assessed by comparing precision and agreement of two non-invasive infrared methods. - Gareth F. Difford; Jan Lassen; Peter Løvendahl (Comput. Electron. Agric., 2016)

Comparison of a laser methane detector with the GreenFeed and two breath analysers for on-farm measurements of methane emissions from dairy cows. - Diana Sorg; Gareth F. Difford; Sarah Mühlbach; Björn Kuhla; Hermann Swalve; Jan Lassen; Tomasz Strabel; Marcin Pszczola (Comput. Electron. Agric., 2018)