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Measurement of Enteric Methane Emissions by the SF6 Technique Is Not Affected by Ambient Weather Conditions by Moate, Peter J. (author);Pryce, Jennie E. (author);Marett, Leah C. (author);Garner, Josie B. (author);Deighton, Matthew H. (author);Ribaux, Brigid E. (author);Hannah, Murray C. (author);Wales, William J. (author);Williams, S. Richard O. (author) is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Measurement of Enteric Methane Emissions by the SF6 Technique Is Not Affected by Ambient Weather Conditions about?
Despite the fact that the sulphur hexafluoride (SF6) tracer technique was developed over 25 years ago to measure methane production from grazing and non-housed animals, no studies have specifically investigated whether ambient wind speed, temperature, relative humidity and rainfall influence the accuracy of the method. The aim of this research was to investigate how these weather factors influence the measurement of enteric methane production by the SF6 technique. Six different cohorts of dairy cows (40 per cohort) were kept outdoors and fed a common diet during spring in 3 consecutive years. Methane production from individual cows was measured daily over the last 5 days of each 32-day period. An automated weather station measured air temperature, wind speed, relative humidity and rainfall every 10 min. Regression analyses were used to relate the average daily wind speed, average daily temperature, average daily relative humidity and total daily rainfall measurements to dry matter intake, average daily methane production and methane yield of each cohort of cows. It was concluded that the modified SF6 technique can be used outdoors during a range of wind speeds, ambient temperatures
Who reads Measurement of Enteric Methane Emissions by the SF6 Technique Is Not Affected by Ambient Weather Conditions?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Moate, Peter J. (author);Pryce, Jennie E. (author);Marett, Leah C. (author);Garner, Josie B. (author);Deighton, Matthew H. (author);Ribaux, Brigid E. (author);Hannah, Murray C. (author);Wales, William J. (author);Williams, S. Richard O. (author)
- Publisher
- MDPI AG
- Published
- 2021
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)