VERFAHREN ZUR ERHOEHUNG DER WACHSTUMSGE- SCHWINDIGKEIT VON NUTZTIEREN UND/ODER DER AUSNUTZUNG VON TIERFUTTERMITTELN

摘要

The disclosure relates to a method for use in the practice of animal husbandry which comprises the oral administration to meat producing animals a compound of the aureolic acid group. Solid and liquid compositions for use in the method are also disclosed, together with a novel process for the manufacture of mixed mithramycins, and an improved process for their purification.