VARIATIONS OF pH. AMMONIA NITROGEN AND PROTEIN CONTENT IN THE RUMENS OF DAIRY GOATS UNDER THREE DIFFERENT FEEDINC CONDITIONS
VARIATIONS OF pH. AMMONIA NITROGEN AND PROTEIN CONTENT IN THE RUMENS OF DAIRY GOATS UNDER THREE DIFFERENT FEEDINC CONDITIONS
三种饲养制度下山羊瘤胃内pH、氨氮和蛋白质含量的变化