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Home » Diets that Work » DSM flags huge reduction of methane emissions in Canadian beef cattle trial using feed additive – FeedNavigator.com

The trial was conducted by a Canadian Research Consortium consisting of Agriculture and Agrifood Canada, Feedlot Health Management Services, Viresco Solutions, and DSM. It was also supported by the Alberta Cattle Feeders Association while Emissions Reduction Alberta (ERA) committed US$1.5m to the US$3m project through its Methane Challenge.

With around 15,000 heads of beef included in the trial, it represents the largest single trial conducted on methane reduction technologies for ruminants, said DSM

This was the largest and longest trial for methane reduction in beef to date. The trial alone already reduced Greenhouse gas (GHG) emissions by 1,473 tons CO2e.

The project evaluated the relative effects of feeding 3-NOP on methane reduction and feedlot performance, health and carcass quality outcomes in feedlot cattle fed typical North American finishing diets - corn and barley grain-based diets - as well as in a high forage, backgrounding diet, said DSM.

The trial also evaluated direct measurement techniques for methane emissions in a commercial beef feedlot where the product was used and demonstrated the use of the product in a commercial feedlot, it added.

Measurements indicated that, on average, 70% enteric methane emission reduction was found when the feed ingredient was provided in steam-flaked or dry-rolled barley finishing diets at 125 mg/kg of feed dry matter, according to the company.

In steam-flaked corn-based finishing diets, a reduction in the range of 31% - 80% at the 125 mg/kg dosage of the feed ingredient was observed, reported DSM.

Lastly, in backgrounding diets, increasing the dose of the feed ingredient stepwise from 150 to 200 mg/kg decreased the yield of methane by 17%-26% compared with control animals, it said.

Project leader, Karen Haugen-Kozyra, Viresco Solutions, said the trial was significant as it demonstrated that, compared to conventional feed mixes, the inclusion of 3-NOP in the diet mix for cattle has resulted in real, permanent and quantifiable reductions of methane emissions, ranging from 31-80% in finishing diets.

It therefore has broad application potential across Albertas beef and dairy sector - and further afield. We are particularly happy also that the trial in itself generated CO2e greenhouse gas reductions (GHG) of close to 1,500 tons clearly showing the impact this solution by DSM can have - especially when it is on the market and scaled up.

DSM is working to get regulatory approvals for the feed ingredient in various geographies.

Bovaer has been shown to be effective in methane emission reduction in a lot of different trials to date, said a Danish researcher, based at Aarhus University.

Mette Olaf Nielsen is one of the team leaders of a research project being undertaken by Aarhus University in collaboration with researchers at the University of Copenhagen assessing a range of methane emissions reduction strategies.

They are evaluating Bovaer in a feeding trial of dairy cattle, where the feed additive is being tested in combination with dietary fat since fat, in itself, is known to reduce methane emissions, she told us in October.

The DSM feed additive is also being evaluated in combination with nitrate, said Mette Olaf Nielsen.

Nitrate, when it gets into the rumen of the cow, is converted to ammonia, which rumen bacteria can use for protein synthesis. This conversion of nitrate into ammonia is associated with consumption of hydrogen, the limiting substrate in the methane production process. If you can get hydrogen channeled into other pathways, then that would be beneficial in terms of methane emission reduction but also for production of microbial biomass that the cows would digest and utilize."

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DSM flags huge reduction of methane emissions in Canadian beef cattle trial using feed additive - FeedNavigator.com

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Home » Diets that Work » DSM flags huge reduction of methane emissions in Canadian beef cattle trial using feed additive – FeedNavigator.com