[The integration of ration to improve milk quality [dairy cows]]

acetic acid acide butyrique acide lactique acide propionique acido acetico acido butirrico acido lattico acido propionico aliment pour animaux alimentation des animaux alimentazione zootecnica alimenti per gli animali amido amidon animal feeding asciutta azucares besoin nutritionnel butyric acid carence en substance nutritive carenze di principi nutritivi cellulosa cellulose celulosa cow milk crude fibre crude protein dairy cows deficiencias nutritivas digestion du rumen digestione ruminale dry period elementi nutritivi minerali fabbisogni nutritivi feeds fibra bruta fibra grezza fibre brute flora microbiana flora microbica flore microbienne grasa de la leche integratori lactation lactic acid lait de vache lattazione latte di vacca leche de vaca metabolic disorders methionine metionina microbial flora milk fat milk yield mineral nutrients necesidades de nutrientes nutrient deficiencies nutrientes minerales nutritional requirements ph piensos propionic acid proteina bruta proteina grezza raciones ration rations razioni rendement laitier rendimiento lechero rumen digestion starch sucres sugars suplementos supplements turbe metaboliche vacas lecheras vacche lattifere vitaminas vitamine vitamins zuccheri