publication . Conference object . 2016

High rate monitoring CH4 production dynamics and their link with behavioral phases in cattle

Blaise, Yannick; Lebeau, Frédéric; Andriamandroso, Andriamasinoro; Beckers, Yves; Heinesch, Bernard; Bindelle, Jérôme;
Open Access English
  • Published: 01 Jan 2016
  • Country: Belgium
Abstract
Microbial fermentation in the rumen produces methane (CH4) which is a loss of energy for ruminants and also contributes to global warming. While the respiration chamber is the standard reference for CH4 emissions quantification, daily CH4 production dynamics can be measured only by steps of 30 min and measurements on pasture are impossible. The alternative method using SF6 as tracer gas can be applied for grazing animals but provides average CH4 production values over at least several hours, making it impossible to measure short term dynamics of rumen CH4 production with changing animal behavior along the day. Newly developed methods using CO2 as internal tracer...
Subjects
free text keywords: methane, CH4, dynamics, behavioral phases, behavior, cattle, cow, CO2, ratio, : Agriculture & agronomy [Life sciences], : Agriculture & agronomie [Sciences du vivant]
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