TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85ERAY "Antibiotics: Origin, Nature, and Properties," Korzyoski, T., et al.,
   eds., Washington, DC, American Soc. for Microbiology, 1978
   Volume(issue)/page/year: 2,1035,1978

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 12500 ug/kg
TOXIC EFFECTS :
   Brain and Coverings - other degenerative changes
   Behavioral - ataxia
   Musculoskeletal - other changes
REFERENCE :
   ANTCAO Antibiotics and Chemotherapy (Washington, DC).  (Washington, DC)
   V.1-12, 1951-62.  For publisher information, see CLMEA3.
   Volume(issue)/page/year: 2,472,1952

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 72 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85ERAY "Antibiotics: Origin, Nature, and Properties," Korzyoski, T., et al.,
   eds., Washington, DC, American Soc. for Microbiology, 1978
   Volume(issue)/page/year: 2,1035,1978

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 8600 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANTCAO Antibiotics and Chemotherapy (Washington, DC).  (Washington, DC)
   V.1-12, 1951-62.  For publisher information, see CLMEA3.
   Volume(issue)/page/year: 2,472,1952