Methane production in rock ptarmigan (Lagopus mutus).
D000818:Animals; D001717:Birds / Q000378:metabolism*; D002432:Cecum / Q000378:metabolism; D002482:Cellulose / Q000378:metabolism; D004032:Diet; D005285:Fermentation; D008697:Methane / Q000096:biosynthesis*; D013997:Time Factors
D002482:Cellulose; D008697:Methane