The cows have been spotted at key destinations around central London, including Covent Garden, Millennium Bridge and the Tate Modern, with more to come throughout the day.
The white sculptures can be spotted either sitting or standing. They are complete with the Arla and Farmer Owned logos, meanwhile the #WhiteWednesdays hashtag can be found along the cows’ stomachs.
A team dressed in green vests with the aforementioned Farmer Owned logo have been tasked with transporting the cows around the capital.
The stunt forms part of Arla Foods' festive White Wednesdays campaign, which has been conceived and executed by agency Space.
It kicked off last week (2 December) when the brand positioned a Christmas tree made of milk bottles on the South Bank.
Ash Amirahmadi, head of milk and member services at Arla said: "You might not realise but without milk Christmas wouldn’t be Christmas and we think this is the perfect time of year to be highlighting the role the dairy industry plays in our lives and how lost we would be without it.
"People are telling us they want to support dairy farmers but they don’t know the best way to do it so we’re making it as easy as possible but putting a clear mark on all of our products. Our farmers are getting out there and on the road to tell as many people as possible about the importance of supporting farmers this Christmas."
Arla took its Costello cheese brand on a tour of the UK in July, where it showcased a new dining experience known as 'smorging'.
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