[Effect of tannins content in the ruminal in vitro degradation of several organs os shrubs species] | Efecto del contenido de taninos en la degradación ruminal in vitro de varios órganos de especies arbustivas

antinutritional factors browse plants digestion du rumen facteur antinutritionnel factores antinutricionales feuille fleur flores flowers hojas in vitro experimentation leaves phenolic content plantas de ramoneo plante d'abroutissement rumen digestion seasonal variation stems tallos taninos tannin tannins tige