Scientists to Breed Sheep that Burp Less

By Alex in Animals & Pets, Science & Tech on Nov 29, 2009 at 2:05 pm

Sixteen percent of Australia’s greenhouse emissions come from agriculture, so scientists there are busy trying to solve the problem of … burping sheep?

"Ninety per cent of the methane that sheep and cattle and goats produce comes from the rumen, and that’s burped out," John Goopy from the New South Wales Department of Industry and Investment told ABC.

"Not much goes behind – that’s horses."

The scientists in New South Wales have been conducting experiments in specially designed pens where they measure how much gas sheep emit by burping. They have found, from tests on 200 sheep so far, that the more they eat, the more they belch.

The scientists’ goal is to breed sheep that burp less: Link


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  1. Dan0
    Nov 29th, 2009 at 5:01 pm

    Seems like a good idea. Hopefully they breed some less gassy cows as well.

  2. AnthonyC
    Nov 29th, 2009 at 5:41 pm

    I wonder if it would be feasible to filter the air entering and exiting a barn, to capture methane. Could that give a net gain of energy>

  3. JM
    Nov 29th, 2009 at 7:07 pm

    Or… maybe figure out a way to reduce the demand for and reliance on animals. The fewer people that eat animals/ use animal products, the less demand, the fewer animals are raised, the lower the emissions of methane, co2, etc…. Seems simple enough to me.

  4. Johnny Cat
    Nov 29th, 2009 at 8:01 pm

    @JH: I think what you’re actually pointing to is reducing the preference for meat. How exactly would we figure out a way to do that?

  5. JM
    Nov 29th, 2009 at 8:13 pm

    Actually I am suggesting that governments could reduce the demand, not the preference for meat. Animal farm subsidies create inexpensive meats (not proportional to the costs of raising/slaughtering/processing/transporting the animals). Another thing that could be done to reduce demand for meat is to ban “factory” farm practices. With animals at the true cost of production, in humane (well, more humane) farm settings, the use of animals would plummet. Therefore, less demand.

  6. desertpir8
    Nov 29th, 2009 at 9:16 pm

    Kind of a waste of time and money considering that global warming/man made climate change is a big scam.

  7. Wes
    Nov 29th, 2009 at 11:46 pm

    One more animal gas story and we’ve got a trifecta.

  8. Briananna
    Nov 30th, 2009 at 12:05 am

    Asshat foolery at it’s best.

  9. pwscott
    Nov 30th, 2009 at 8:42 am

    If they don’t burp, would they get the bends?
    Gas has got to go somewhere. :p

  10. tomblight
    Nov 30th, 2009 at 10:42 am

    Global warming is complete crap. Just a way for socialists to get your money. Green is the new Red. The only green the Greens want is your cash.

  11. Daniel Kim
    Nov 30th, 2009 at 12:08 pm

    The gas is generated by the bacteria that live in their rumen. A good approach would be to change the mixture of bacteria living there so they will not produce gaseous waste.

    Methane is a common end-product of anaerobic bacteria, though. This implies that the part of the rumen that produces methane lacks sufficient oxygen to bring about a more complete breakdown of the food into carbon dioxide. A tough problem.

  12. JH
    Nov 30th, 2009 at 5:31 pm

    Lab grown meat! No animal (sort of) and no gases!


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