Sources of rumen carbon dioxide and methane in the lactating dairy cow.
D000818:Animals; D002244:Carbon / Q000378:metabolism; D002245:Carbon Dioxide / Q000378:metabolism*; D002247:Carbon Isotopes; D002417:Cattle; D005260:Female; D007774:Lactation; D008697:Methane / Q000378:metabolism*; D011247:Pregnancy; D012417:Rumen / Q000378:metabolism*
D002247:Carbon Isotopes; D002245:Carbon Dioxide; D002244:Carbon; D008697:Methane