"This type of science doesn’t happen overnight but we have real potential to help farmers meet the 2050 methane target under the Climate Change Response Act.". part may be reproduced without the written permission. This research, from the Davies Research Centre at the University of Adelaide's Roseworthy campus, aligns with the University's industry engagement priority in agrifood and wine, and in tackling the grand challenge of environmental sustainability. www.sciencedaily.com/releases/2019/07/190708112514.htm (accessed October 14, 2020). "We now know it's possible to select for low methane production," he says. You can unsubscribe at any time and we'll never share your details to third parties. Livestock are responsible for 14.5 per cent of global greenhouse gas emissions but it turns out that we could breed cows with gut bacteria that produce less methane Anne S. Meyer. All Of Your Questions Answered, The Real Reason Your ‘Check Engine’ Light Is On. According to Agriculture Canada, a lactating dairy cow. The researchers also found a correlation, although not as high, between the cows' microbiomes and the efficiency of milk production. ScienceDaily, 8 July 2019. University of Adelaide. Apart from any fair dealing for the purpose of private study or research, no "But changing the genetics is much more significant -- in this way we can select for cows that permanently produce less methane.". Could Electromagnetic Fields Treat Diabetes? A single cow on average produces between 70 and 120 kg of methane per year and, worldwide, there are about 1.5 billion cattle. The information you enter will appear in your e-mail message and is not retained by Phys.org in any form. Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Ways of having cows produce less methane is to grow them faster, thus lessening the period between them standing in a field and getting to market. "Potential for reduced methane from cows." Professor Williams says breeding for low-methane cattle will, however, depend on selection priorities and how much it compromises selection for other desired characteristics such as meat quality, milk production or disease resistance. The researchers analysed the microbiomes from ruminal fluid samples of 1000 cows, along with measuring the cows' feed intake, milk production, methane production and other biochemical characteristics. Professor DTU Bioengineering +45 45 25 25 98 asme@dtu.dk. Materials provided by University of Adelaide. ScienceDaily shares links with sites in the. Like us on Facebook to see similar stories, New information released in investigation into death of Melissa Jones, London to face tighter Covid restrictions from Friday night, Neighbours: Two marriages are on the brink. The study involved 1,000 cows across four European countries, including the UK. "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. Your feedback will go directly to Science X editors. Cattle and other ruminants are significant producers of the greenhouse gas methane—contributing 37 percent of the methane emissions resulting from human activity. R. John Wallace, Goor Sasson, Philip C. Garnsworthy, Ilma Tapio, Emma Gregson, Paolo Bani, Pekka Huhtanen, Ali R. Bayat, Francesco Strozzi, Filippo Biscarini, Timothy J. Snelling, Neil Saunders, Sarah L. Potterton, James Craigon, Andrea Minuti, Erminio Trevisi, Maria L. Callegari, Fiorenzo Piccioli Cappelli, Edward H. Cabezas-Garcia, Johanna Vilkki, Cesar Pinares-Patino, Kateřina O. Fliegerová, Jakub Mrázek, Hana Sechovcová, Jan Kopečný, Aurélie Bonin, Frédéric Boyer, Pierre Taberlet, Fotini Kokou, Eran Halperin, John L. Williams, Kevin J. Shingfield, Itzhak Mizrahi. Although this study was carried out on dairy cows, the heritability of the types of microbes in the rumen should also apply to beef cattle. "That means we could select for cattle which are less likely to have high levels of methane-producing bacteria in their rumen." "But it depends on what else we are selecting for, and the weighting that is placed on methane -- that's something that will be determined by industry or society pressures.". Published in the journal Science Advances, the researchers showed that the genetics of an individual cow strongly influenced the make-up of the microorganisms in its rumen (the first stomach in the digestive system of ruminant animals which include cattle and sheep). "If we’re successful and establish that the variability of methane emissions between New Zealand dairy bulls can be linked back to their genetics, the opportunity is to utilise this variability to breed cows from lower methane-emitting bulls," Richard Spelman, chief scientist at LIC, said on Tuesday. “But changing the genetics is much more significant – in this way we can select for cows that permanently produce less methane,” he … The results will then be shared, and independently analysed by scientists at the Al Rae Centre at Massey University. "Previously we knew it was possible to reduce methane emissions by changing the diet," says Professor Williams. 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