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Valio’s Carbo farm calculator set to cut the carbon footprint of milk

Valio, Finnish manufacturer of dairy products, has unveiled a calculator for the farms to measure own carbon emissions and identify the most effective actions to lower them

Valio carbo farmUsing the calculator, emissions reductions can be measured and verified at the farm level. (Image source: Valio)

These actions are likely to result in dairy products with a lower carbon footprint. The methodology behind the tool is certified by global climate and sustainability experts, the Carbon Trust.

Emissions from milk production can be reduced in many ways. One of the most important methods is carbon farming that maximises the carbon sequestration capacity of fields. The carbon footprint decreases by increasing the per-hectare harvest of grass for feeding cows.

Cow welfare has a big climate impact. Emissions per litre of milk are reduced when cows live longer and produce milk well. The proper handling of manure reduces emissions: tilling manure into the soil rather than spraying it reduces nutrient runoff, and less industrial fertilizers are needed. Some dairy farms are already using their own biogas plants. The energy they produce from manure can be used to heat the farm and to power the milking equipment, for example.

Over the decades, Finnish dairy farms have done a lot of work to reduce their carbon footprint. The global average carbon footprint of raw milk is currently 2.5 CO2e per litre. In Finland, the figure is estimated around one CO2e per litre.

Using the calculator, emissions reductions can be measured and verified at the farm level.

Finnish cows’ methane emissions per litre of milk have halved in 50 years as a result of improved animal productivity, health, and nutrition. Cows today can produce more milk with the same amount of feed. Despite this development, our climate impact is still significant. We are humble about the challenges and we are pursuing ways to lower the figures even further.

Actions reducing emissions are savings actions

Rami Rauhala and his wife Johanna operate a 65-cow dairy farm in Sievi, western Finland. The carbon footprint of the Hilliaho dairy farm was calculated as part of the work to develop the calculator.

Climate-smart milk production is also resource-efficient, i.e. it makes good sense economically. Most of the fields on our farm are either grass silage or grazing pastures. We have also over-seeded to make the vegetation as thick as possible. In our area, the significance of reparcelling is also big. Parcels that have over time become fragmented have been reparcelled into feasible parcels among landowners.

When fields are closer to the farm centre, tractors use less fuel. It has been great to notice that we, milk producers, are part of the solution to climate change.

Valio’s goal is that all its farms are using the tool within the next five years. So far, data has been collected from 100 farms.

“We have scheduled a training roadshow for dairy farms and we are providing them with online support, too. The calculator is easy to use and the farmers already have most of the data at hand. I estimate that the average farm can lower its emissions by 30 percent by 2025. At the same time, we are of course working to reduce emissions from Valio’s factories, transportation and in packaging,” said Aleksi Astaptsev, Valio’s scientist who developed the calculation model.


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