The effect of yeasts and lactobacillus administraion on the sheep rumen fermentation

acide gras volatil amilasas amylase amylases application rates brebis digestive juices dose d'application enzymic activity ewes fermentation jugos digestivos kluyveromyces marxianus lactobacillus oveja ph poligalacturonasa polygalacturonase probiotics probiotique rumen suc digestif ureasa urease volatile fatty acids