Production of volatile fatty acids in the rumen of calves with dietetico-microbial stimulation and at early weaning

acetic acid acide butyrique acide propionique acido acetico acido propionico alimentos concentrados analyse statistique animal health butyric acid calves concentrates consommation alimentaire (animaux) consumo de piensos dietetica dietetics digestive juices feed consumption fermentation gain de poids ganancia de peso jugos digestivos metabolism metabolisme metabolismo propionic acid rumen sanidad animal statistical analysis stimulation suc digestif ternero veau volatile fatty acids weight gain