(IN BRIEF) Valio, A-Rehu, Natural Resources Institute Finland (Luke), and the University of Helsinki are collaborating on a project called ‘Climate smart feeding solutions for Finnish milk production sector’, which is funded by the Ministry of Agriculture and Forestry. The project aims to research the potential for reducing ruminal methane emissions using a feed additive. The Bovaer® feed additive, which can reduce ruminal methane emissions by up to 30%, is being tested on 3,100 dairy cows at 43 farms. The pilot project is also investigating other dietary methods to reduce ruminal methane emissions.
(PRESS RELEASE) HELSINKI, 14-Mar-2023 — /EuropaWire/ — Valio, a Finnish innovative dairy and food company, A-Rehu, the Natural Resources Institute Finland (Luke), and the University of Helsinki are partnering to research the potential for reducing ruminal methane emissions in the Finnish milk production sector using a feed additive. The “Climate smart feeding solutions for Finnish milk production sector” project, which is funded by the Ministry of Agriculture and Forestry, aims to reduce ruminal methane emissions by 30 percent and promote climate resilience in agriculture.
In 2022, Valio and A-Rehu were the first in Finland to test the Bovaer® feed additive, which is the first additive approved in the EU to reduce ruminal methane emissions. The product, manufactured by DSM, can reduce ruminal methane emissions by up to 30 percent.
“The 3-Nitrooxypropanol (3-NOP) contained in the Bovaer® product is being used for the first time in Finland under research conditions where methane generation can be measured. This will provide information about the feed additive’s methane reduction potential with a diet based on ample grass silage, which is typical for Finnish cows. Bovaer® is currently the best available means to quickly and significantly reduce greenhouse gas emissions from milk production, and it would contribute to the achievement of Finland’s carbon neutrality target,” says Research Professor Marketta Rinne from Natural Resources Institute Finland.
As part of the joint project, a three-month follow-up pilot has been launched in early 2023, which expands the use of the feed additive to a total of 3,100 dairy cows at 43 farms. The pilot aims to address practical challenges and needs so that the special feed could be made widely available to different dairy farms in Finland in the future.
Additionally, a study is currently underway at the Jokioinen research barn of the Natural Resources Institute Finland to determine the impact of the feed additive on the amount of cow methane emissions and on diurnal variation. The project is also exploring other dietary means to reduce ruminal methane emissions in the future.
Methane is a potent greenhouse gas that has a warming impact in the atmosphere that is 28 times more potent than carbon dioxide. The Bovaer® feed additive has the potential to significantly reduce the warming effect of methane in the atmosphere.
A dairy cow feed study, scheduled to begin in the fall of 2023 at the University of Helsinki, will examine the methane reduction potential of the Bovaer® feed additive based on a diet of grass silage and whole-crop cereal silage.
“Methane accounts for about 50 percent of the climate emissions from dairy farms. The methane generated in the cow’s rumen can be reduced with innovations in feed, for instance. Additionally, new technologies are being explored to either break down or capture methane in barn air. This can significantly reduce climate emissions from milk and meat production,” says Juha Nousiainen, Valio’s Senior Vice President who heads the Climate programme.
“Feed can impact the generation of methane. With the Bovaer® feed additive, we can achieve a greater methane reduction than with other solutions currently in use. A-Rehu has conducted long-term feed development work in order to be the first in Finland to enable the use of Bovaer® in cow feed,” says A-Rehu’s Milja Heikkinen, Development Manager of cattle feeds.
“The composition of the feed impacts the effectiveness of the means used to reduce methane production,” notes Tuomo Kokkonen, Senior University Lecturer, Department of Agricultural Sciences, University of Helsinki. A dairy cow feed study scheduled to start in autumn 2023 at the University of Helsinki will examine the methane reduction potential of the Bovaer® feed additive based on a diet of grass silage and whole-crop cereal silage.
Facts about methane:
- The share of methane generated in the digestive process of production animals accounts for about one third, i.e. 2.1 million tonnes CO2e, of Finland’s effort sharing sector emissions. Methane generated by ruminants accounts for about 40 percent of this, so feed solutions developed to reduce the methane have major potential to advance agriculture’s climate targets.
- One cow generates about 150 kilos of methane per year.
- About 18-22 grams of methane per milk kilo is generated, calculated from calf to adulthood. The methane produced in the rumens of dairy cows accounts for about 2.5 percent of Finland’s greenhouse gases.
- The methane generated in the rumen originates from the fodder crops that cows feed on.
- Plants use the carbon dioxide in the air in the photosynthesis process, and then form various carbon compounds, like sugars, fibres, proteins and fatty acids, for their own growth. Cows get nutrients from these, so some of the carbon in the feed that cows eat returns to the atmosphere as methane.
- The methane from cow belching breaks down into carbon dioxide in about 10 years in the atmosphere; the carbon dioxide is re-used by plants for photosynthesis, and the carbon cycle starts again. This is called the biogenic carbon cycle.
Media contact:
+358 10 381 2118
mediadesk@valio.fi
SOURCE: Valio Ltd
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