title: Ammonia, pH and volatile fatty acids in the bovine rumen after feeding with hay.
mesh_terms: D000641:Ammonia / Q000378:metabolism*; D000821:Animal Feed; D000818:Animals; D002417:Cattle; D002940:Circadian Rhythm; D005232:Fatty Acids, Volatile / Q000378:metabolism*; D005260:Female; D006863:Hydrogen-Ion Concentration; D006109:Poaceae; D012417:Rumen / Q000378:metabolism*; D013997:Time Factors
chemical_list: D005232:Fatty Acids, Volatile; D000641:Ammonia