Cowsproducemuchmethane(甲烷),theworld'ssecondworstgreenhousegas,astheybreakdownthegrass.Theyarealargesourceofthegreenhousegasesthataredrivingclimatechange.Nowscientistshaveshownthepollutionfromcowscanbereducedbyaddingalittleseaweed(海藻)totheirfood.Recently,theresearchersfromtheUniversityofCaliforniastudied21cowsonafarm...
Over the five months, the scientists didn’t see any signs that the cows’ stomachs were getting used to the seaweed and starting to produce more methane again. What’s more, the cows that were led seaweed gained just as much weight as the other cows.(结果出乎意料地好。在某些情况下,...
Four Holstein cows were confined and received a diet of 18.7 kg of dry matter per day for 4 days. During this period, samples of the gas exhaled by these cows were collected. Gas sampling was performed using evacuated PVC canisters during a period of 24 hours, and in this case, two ...
Cows are responsible for about 40% of global methane emissions. Methane is the gas passed or belched by the world's 1.4 billion cattle. In Scotland, cattle can be found grazing on the lush green pastures. Some environmentalists believe that when it comes toglobal warming, meat, especially ...
–Researchers at Utah State University are looking at ways to improve the air quality by focusing on methane gas that cows release into the air. We’ve all had to pass gas and so do cows but for them, it’s on a pretty regular basis. ...
Cows breaking down the grassin their bodies makes lots of methane(甲烷),and methane is the world'ssecond-worst greenhouse gas(温室气体).However,scientistshave shown that the pollution(污染) from cows can becutdown by adding a little seaweed(海藻) to their food.Scientists first had that ...
Cows' breaking down the grass in their bodies makes lots of methane(甲烷), and methane is the world's second-worst greenhouse cows seaweed can help cut down some of the gas(温室气体). However, scientists have pollution.shown that the pollution(污染) from cows can 1. According to the stud...
Cows produce much methane (甲烷) the world’s second worst greenhouse gas, as they break down the grass. They are a large source of the greenhouse gases that are driving climate change. Now scientists have shown the pollution from cows can be reduced by adding a little seaweed (海藻) to ...
emissions, with the largest portion coming from methane gas released by cattle during digestion, particularly when they burp. Popular Science reports that 97 percent of all the methane gas from a cow is released by belching rather than farting, according to the United States Dairy Council and ...
Cows produce much methane (甲烷), the world’s second worst greenhouse gas, as they break down the grass. They are a large source of the greenhouse gases that are driving climate change. Now scientists have shown the pollution from cows can be reduced by adding a little seaweed (海藻) to...