Bovaer (European Union)

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Bovaer (European Union): the methane-reducing cattle feed additive 3-nitrooxypropanol (3-NOP), and the manufacturers, EU authorisation, and European companies that distribute it or run farm programmes with it.

More on webcentive: Today in Bovaer News

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Links last checked Nov 6, 2026. No Amazon links — Bovaer is a regulated farm feed additive, not a typical retail Amazon product.

What Bovaer is
Bovaer is the brand name for a feed additive whose active substance is 3-nitrooxypropanol (3-NOP). Mixed into cattle feed (a small daily dose), it inhibits an enzyme in the rumen that produces enteric methane. Maker dsm-firmenich states typical average reductions of about 30% for dairy cows and about 45% for feedlot beef cattle under studied conditions. It is a zootechnical feed additive for ruminants, not a medicine for people and not a consumer food ingredient.

EU regulatory history

30 Sep 2021 — EFSA FEEDAP Panel adopts its opinion on Bovaer 10: safe for dairy cows at the maximum recommended level under the proposed conditions; potential to reduce enteric methane; user risks include eye/skin irritation and inhalation of the pure additive. EFSA opinion
7 Apr 2022 — Commission Implementing Regulation (EU) 2022/565 authorises a preparation of 3-nitrooxypropanol as a zootechnical additive (substances which favourably affect the environment) for dairy cows and cows for reproduction. Holder: DSM Nutritional Products Ltd (represented in the Union by DSM Nutritional Products Sp. z o.o.). Authorisation runs to 28 April 2032.
Later — Authorisation remains in force; EFSA has been asked to reassess aspects of the science as new data accumulate (product stays authorised during review). Check EUR-Lex and the EU Feed Additive Register for the current legal text and any amendments.

Other authorisations (brief)

United Kingdom — Authorised following FSA assessment; FSA states milk and meat from animals fed Bovaer at the approved dose are safe, and the additive was not found in milk in the trials assessed (FSA explainer).
United States — May 2024: FDA CVM completed its review for lactating dairy cattle and, in a letter to Elanco, said it had no questions at that time on intended effect and low risk under intended use (enforcement discretion for certain unapproved-drug requirements). Elanco commercialises Bovaer in North America.
Canada — Authorised January 2024 (CFIA evaluation of 3-NOP as a gut-modifier feed component), as reported by FSA and Canadian press citing CFIA.
Australia — Available as an excluded nutritional/digestive-type product (not regulated as a veterinary medicine by APVMA in the same way); food-safety aspects sit with FSANZ frameworks per industry notes.

National policy notes

Denmark (from 1 Jan 2025) — Conventional dairy farms must reduce methane via feed: either more fat in the ration or an approved methane-reducing additive (Bovaer is the main option cited). Organic herds are outside that rule. Danish food authority points to EFSA for safety. Later in 2025, farmer surveys reported feed-intake and milk-yield concerns that authorities and industry are investigating; that does not by itself overturn the EU authorisation.
Netherlands — Dairy Campus trials (DSM, Wageningen, FrieslandCampina, Agrifirm, De Heus, ForFarmers), then a large FrieslandCampina/Agrifirm on-farm pilot (158 farms). Use can be recognised in the sector carbon tool (KringloopWijzer).

2024 UK consumer backlash (factual)
In late November–December 2024, Arla announced a UK trial of Bovaer with Tesco, Morrisons and Aldi. Social media posts claimed the additive was unsafe or unapproved; some users called for boycotts. EFSA (2021 opinion) and the UK FSA both concluded that, at approved use levels, Bovaer does not pose a consumer safety concern for milk or meat; the additive is metabolised in the cow and was not found in milk in the trials they assessed. User (farm worker) handling of the undiluted powder needs protection because it can irritate eyes and skin and may be harmful if inhaled. Reuters and other fact-checkers noted that claims it was banned or unapproved in the EU were false.

Text Only \| Markdown	X	whois	history	safety	sitesearch	Grok	Bing Copilot
Manufacturer and partners Bovaer is made by dsm-firmenich. A large-scale production plant is under construction at Dalry, North Ayrshire, Scotland (first large-scale Bovaer plant; ABB automation work scheduled to complete by November 2025). Elanco markets it in North America.
dsm-firmenich.com - Manufacturer page for Bovaer (3-NOP); Swiss-Dutch nutrition company DSM-Firmenich	X: @dsmfirmenich	whois	history	safety	search	AI Mode	Grok	Bing Copilot
dsm-firmenich.com - Company summary of the EU EFSA opinion and Implementing Regulation (EU) 2022/565	X: @dsmfirmenich	whois	history	safety	search	AI Mode	Grok	Bing Copilot
elanco.com - Elanco commercialises Bovaer in the US, Canada and Mexico under agreement with dsm-firmenich	X: @Elanco	whois	history	safety	search	AI Mode	Grok	Bing Copilot
EU and other regulators Authorisation and safety assessments. Links go to primary documents or official explainers.
eur-lex.europa.eu - Commission Implementing Regulation (EU) 2022/565 of 7 April 2022 authorising 3-nitrooxypropanol for dairy cows and cows for reproduction (end of authorisation 28 April 2032)	X: @EU_Commission	whois	history	safety	search	AI Mode	Grok	Bing Copilot
efsa.europa.eu - EFSA scientific opinion (adopted 30 Sep 2021, published 19 Nov 2021) on safety and efficacy of Bovaer 10 for ruminants for milk production and reproduction	X: @EFSA_EU	whois	history	safety	search	AI Mode	Grok	Bing Copilot
food.blog.gov.uk - FSA: milk and meat from animals fed Bovaer at the approved dose are safe; additive metabolised and not found in milk in trials assessed	X: @foodgov	whois	history	safety	search	AI Mode	Grok	Bing Copilot
foedevarestyrelsen.dk - Fødevarestyrelsen: from 2025 Danish conventional dairy farms must reduce methane via more fat or Bovaer; cites EFSA safety conclusions	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
fda.gov - FDA Center for Veterinary Medicine letter to Elanco (May 2024 review): no questions at that time on intended methane effect and low risk under intended use for lactating dairy cattle	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
Netherlands — feed companies and dairy programmes Verified participants in Dutch Bovaer trials and the FrieslandCampina/Agrifirm roll-out.
agrifirm.com - Dutch agricultural cooperative; supplied Bovaer in the FrieslandCampina large-scale on-farm pilot	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
deheus.com - Dutch feed company; participated with Agrifirm and ForFarmers in the Dairy Campus (Leeuwarden) Bovaer trial consortium	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
forfarmersgroup.eu - International feed company (HQ Netherlands); member of the Dutch Dairy Campus Bovaer trial consortium	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
frieslandcampina.com - Dutch dairy cooperative; large-scale Bovaer pilot with Agrifirm and DSM (158 farms / ~20,000 cows, 2022)	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
wur.nl - Supervised the Dairy Campus Bovaer trial used for Dutch carbon-footprint accreditation work	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot
Denmark, Sweden and Germany — Arla pilot Arla Foods 2022 on-farm Bovaer pilot across these three countries.
arla.com - Farmer-owned dairy cooperative; 2022 Bovaer pilot on ~10,000 cows across Denmark, Sweden and Germany	X: @ArlaFoodsUK	whois	history	safety	search	AI Mode	Grok	Bing Copilot
United Kingdom — trial and retailers Arla UK trial announced with Tesco, Morrisons and Aldi (late 2024).
arlafoods.co.uk - UK arm; Nov 2024 announced a Bovaer feed trial with major retailers (sparked consumer backlash on social media)	X: @ArlaFoodsUK	whois	history	safety	search	AI Mode	Grok	Bing Copilot
arla.com - Arla statement (3 Dec 2024) on the UK trial and safety approvals cited from EFSA and FSA	X: @ArlaFoodsUK	whois	history	safety	search	AI Mode	Grok	Bing Copilot
tesco.com - UK retailer named with Morrisons and Aldi in the Arla UK Bovaer trial announcement	X: @Tesco	whois	history	safety	search	AI Mode	Grok	Bing Copilot
morrisons.com - UK retailer named in the Arla UK Bovaer trial	X: @Morrisons	whois	history	safety	search	AI Mode	Grok	Bing Copilot
aldi.co.uk - UK retailer named in the Arla UK Bovaer trial	X: @AldiUK	whois	history	safety	search	AI Mode	Grok	Bing Copilot
Research and news Independent reporting and research organisations.
reuters.com - Reuters Fact Check: Bovaer is EU-authorised; notes authorisations also reported for UK, Canada and US	X: none found	whois	history	safety	search	AI Mode	Grok	Bing Copilot