Antibiotic activities from streptosporangium vulgare ATCC 21906

Antibiotic aculeacin-A.alpha., -A.gamma., -D.alpha. and -D.gamma

Antibiotic aculeacins

Antibiotic agents from S. coeruleorubidus, rubidus

Antibiotic AM-5344-A.sub.2 substance and process for the product

Antibiotic and fermentation process of preparing

Antibiotic and process for the production thereof

Antibiotic auromomycin, and process for production thereof

Antibiotic AY24,668 and process of preparation

Antibiotic B-98891

Antibiotic BL580 Zeta and use thereof as anticoccidial agent

Antibiotic BN-130 substances and the production thereof

Antibiotic BN-200 substance and process for production thereof

Antibiotic C-11924 F-1

Antibiotic C-14482 A.sub.1 and method for producing same

Antibiotic called "chloropolysporin", a process for its preparat

Antibiotic complex

Antibiotic complex from micromonospora arborensis

Antibiotic composition from alcaligenes species and method...

Antibiotic compound