Treatment and supplementation of rice straw for ruminant feeding in Vietnam

amendement calcique aprovechamiento de desechos biodegradabilidad biodegradability bovin brewers grains cattle chemical composition composition chimique digestibilidad digestibility digestion du rumen economic value enmiendas calizas feed intake feed processing fluide du rumen fluido del rumen ganado bovino growth rate liming materials mejoramiento nutricional melasse melaza molasses nutrient improvement nutritive value paille de riz paja de arroz prise alimentaire (animaux) rice straw rumen rumen digestion rumen fluid suplementos supplements taux de croissance traitement d'aliments pour animaux urea uree valeur nutritive valor nutritivo viet nam vietnam waste utilization