Performance and metabolism of dairy cows fed bean seeds (Vicia faba) with different levels of anti-nutritional substances

acetic acid acide gras volatil acide lactique acide propionique acide vanillique acidez acidity acido acetico acido ferulico acido vanillico alimentation des animaux amino transferasas aminotransferase aminotransferases ammonium amonio animal feeding animal nutrition animal performance antimetabolites antimetabolitos antinutritional factors bilirrubina bilirubin bilirubine blood proteins blood serum caffeic acid chemical composition cholesterol colesterol composition chimique compound feeds contenido proteico dairy cows digestion du rumen estaquiosa facteur antinutritionnel factores antinutricionales ferulic acid fluide du rumen fluido del rumen glucoside glucosides glucosidos graine inhibidores de proteinasas inhibidores de tripsina inhibiteur de trypsine lactic acid lactosa lactose lectinas lectine lectins lipid content metabolismo de minerales milk yield mineral metabolism nitrogen metabolism nutrientes nutrients nutrition animale performance animale ph phenolic acids piensos compuestos propionic acid protein content proteinase inhibitors proteine sanguine protozoa protozoo raffinose rafinosa rendement laitier rendimiento lechero rumen digestion rumen fluid seeds semilla stachyose substance nutritive taninos tannin tannins teneur en lipides trypsin inhibitors urea uree vacas lecheras vanillic acid variedades varieties vicia faba volatile fatty acids