Ternak: Perbedaan antara revisi

:Para peneliti di Australia mencari kemungkinan pengurangan gas metana dari sapi dan domba dengan memasukkan bakteri pencernaan dari usus [[kangguru]] ke perut hewan ternak.<ref>{{cite web |url=http://www.news.com.au/couriermail/story/0,23739,22880187-5013016,00.html |title=Kangaroo farts could fight global warming &#124; Courier Mail |publisher=News.com.au |date=2007-12-05 |accessdate=2011-12-10 |archiveurl=https://archive.istoday/fX4R20121203041656/http://www.couriermail.com.au/news/roo-gas-fights-global-warming/story-e6frep26-1111115047088 |archivedate=2012-12-03 |dead-url=no }}</ref> Di Amerika Serikat, mempertahankan padang rumput diketahui mampu menciptakan stok daging dari hasil [[perburuan]] hewan yang hidup di atasnya secara berkelanjutan.<ref>Derner, Justin D., William K. Lauenroth, Paul Stapp, and David J. Augustine. "Livestock as Ecosystem Engineers for Grassland Bird Habitat in the Western Great Plains of North America." Rangeland Ecology & Management 62.2 (2009): 111-18. Web of Science. Web. Feb. 2011.</ref>