Effect of plane of nutrition and source of nitrogen on methionine synthesis in cows.
D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D002417:Cattle; D005260:Female; D005502:Food; D007408:Intestinal Absorption; D007774:Lactation; D000455:Medicago sativa / Q000378:metabolism; D008715:Methionine / Q000096:biosynthesis*; D009584:Nitrogen / Q000378:metabolism*; D011247:Pregnancy; D012417:Rumen / Q000378:metabolism
D008715:Methionine; D009584:Nitrogen