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Manure management for greenhouse gas mitigation.
Ongoing intensification and specialisation of livestock production lead to increasing volumes of manure to be managed, which are a source of the greenhouse gases (GHGs) methane (CH4) and nitrousExpand
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Low degradable protein supply to increase nitrogen efficiency in lactating dairy cows and reduce environmental impacts at barn level.
Generally, <30% of dairy cattle's nitrogen intake is retained in milk. Large amounts of nitrogen are excreted in manure, especially in urine, with damaging impacts on the environment. This studyExpand
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Infrared photoacoustic spectroscopy in animal houses: Effect of non-compensated interferences on ammonia, nitrous oxide and methane air concentrations
Reduction of ammonia and greenhouse gas emissions is a major goal in countries where the livestock sector has a high social and economic importance. Estimates of emissions per building and per annumExpand
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Decision document on the revision of the VERA protocol on air cleaning technologies March
In the project “ICT-AGRI: Development of harmonized sampling and measurement methods for odour, ammonia and dust emissions” different subgroups have been formed focusing on either ammonia, odour orExpand
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A meta-analysis of nutrient intake, feed efficiency and performance in cattle grazing on tropical grasslands.
It is essential to quantify the potential of tropical grasslands to allow significant feed efficiency for grazing livestock in controlled conditions such as at pasture. We conducted a quantitativeExpand
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Identification of rumen microbial biomarkers linked to methane emission in Holstein dairy cows
Abstract Mitigation of greenhouse gas emissions is relevant for reducing the environmental impact of ruminant production. In this study, the rumen microbiome from Holstein cows was characterizedExpand
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NDIR Gas Sensor for Spatial Monitoring of Carbon Dioxide Concentrations in Naturally Ventilated Livestock Buildings
TLDR
The tracer gas ratio method, using CO2 as natural tracer, has been suggested as a pragmatic option to measure emissions from naturally ventilated (NV) barns without the need to directly estimate the ventilation rate. Expand
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Spatial variability of mixing ratios of ammonia and tracer gases in a naturally ventilated dairy cow barn
The use of the tracer gas ratio method to estimate emissions from naturally ventilated (NV) livestock barns excludes the need of monitoring ventilation rates. However, it requires accurateExpand
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Comparison of CO2- and SF6- based tracer gas methods for the estimation of ventilation rates in a naturally ventilated dairy barn
Livestock production is a source of numerous environmental problems caused by pollutant gas emissions. In naturally ventilated buildings, estimating air flow rate is complicated due to changingExpand
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Jatropha (Jatropha sp.) kernel meal and other jatropha products
Jatropha, physic nut, purging nut, pulza, nettlespurge [English]; pourghère, pignon d'Inde, médicinier [French]; coquillo, template, piñon, piñoncillo, piñol, tártago [Spanish]; mundubi-assu,Expand
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