Burger King is selling a Whopper made from cows on a low-methane diet at select locations. Author summary. Burger King says the meat comes from cows fed 100 grams of lemongrass each day, which it claims reduces the methane the animals produce by … part may be reproduced without the written permission. How do mRNA coronavirus vaccines work? 3238 Vivien Lin • Jul 11, 2019. Hide Caption . Meet NASA's latest Mars Rover: Will Perseverance find life in 2021? … and Terms of Use. A potentially quicker approach could be to see if specific genes are responsible – Wallace and colleagues looked at genetic variations known as single nucleotide polymorphisms (SNPs), not genes – and knock them out if it could be done without harm. Selective breeding and diet changes could produce low methane cows. , published 13 July 2019, Exomoons that run away from their planets could become 'ploonets', Seals remember what they just did – but only for about 18 seconds, 14.5 per cent of global greenhouse gas emissions, Grass-fed beef is bad for the planet and causes climate change, Double climate disaster may have ended ancient Harappan civilisation, CRISPR gene editing of brain cells might prevent Alzheimer's disease. The bacteria are closely correlated to the cows’ genetic makeup, suggesting the drivers for emissions are passed down through generations. This document is subject to copyright. The researchers also found a correlation, although not as high, between the cows' microbiomes and the efficiency of milk production. Apart from any fair dealing for the purpose of private study or research, no Cows mostly burp, not fart methane. 5G and future 6G terahertz absorbed by water vapour = heating? “Because of the heritability, it should be possible using that information to breed animals for low emissions and increased productivity,” says John Wallace of the University of Aberdeen, UK, who led the research. Scientists breathalyze cows to measure methane emissions. Methane is a potent greenhouse gas and ruminant livestock contribute a substantial amount of total methane … Journal reference: Science Advances, DOI: 10.1126/sciadv.aav8391, Magazine issue Farm animals are responsible for 44 percent of all human-caused methane, according to … "We now know it's possible to select for low methane production," he says. Eliminating the worst offenders in the microbiome could cut methane by 50 per cent, Wallace says. Livestock are responsible for 14.5 per cent of global greenhouse gas emissions, with the majority stemming from beef and milk production, largely because flatulent, belching cattle emit so much methane. Click here to sign in with Thank you for taking your time to send in your valued opinion to Science X editors. Potential for reduced methane from cows Date: July 8, 2019 Source: University of Adelaide Summary: Scientists have shown it is possible to breed cattle to reduce their methane emissions. You can be assured our editors closely monitor every feedback sent and will take appropriate actions. Low-methane cows tackle emissions. Aug 22, 2013. But now there might be a long-term solution, as it appears that a core group of gut microbes play a key role in how much methane a cow produces. By using our site, you acknowledge that you have read and understand our Privacy Policy Management Practices. "What we showed is that the level and type of methane-producing microbes in the cow is to a large extent controlled by the cow's genetic makeup," says one of the project's leaders and co-author Professor John Williams, from the University of Adelaide's School of Animal and Veterinary Sciences. The immune system: can you improve your immune age? The 33 percent methane reduction the company promises by switching to “low emissions” beef is also misleading. This site uses cookies to assist with navigation, analyse your use of our services, and provide content from third parties. Researchers in Canada, Australia and New Zealand are currently evaluating methane production in beef and dairy cattle selected for high- versus low-feed conversion efficiency. But this breeding process would take decades, and we need to reduce emissions much faster. "We don't yet know, but if it turned out that low-methane production equated to greater efficiencies of production—which could turn out to be true given that energy is required to produce the methane—then that would be a win, win situation," Professor Williams says. Cattle can be bred to emit less methane, according to the latest research from the Davies Research Centre at the University of Adelaide, with the methane-reduced cows potentially more efficient than their counterparts. Combing a cow’s own genetics with strategies that target changes in her rumen flora may be able to reduce methane emissions more effectively than by only selecting for low methane-emitting cows, according to a study from Denmark.

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