|Virginiamycin S1||streptogramin B antibiotic|
|Pristinamycin IIA||streptogramin A antibiotic|
|AHFS/Drugs.com||FDA Professional Drug Information|
|E number||E711 (antibiotics)|
|CompTox Dashboard (EPA)|
|Chemical and physical data|
|Melting point||138 to 140 °C (280 to 284 °F) (dec.)|
|(what is this?)|
Virginiamycin is a streptogramin antibiotic similar to pristinamycin and quinupristin/dalfopristin. It is a combination of pristinamycin IIA (virginiamycin M1) and virginiamycin S1. Virginiamycin is used in the fuel ethanol industry to prevent microbial contamination. It is also used in agriculture, specifically in livestock, to accelerate the growth of the animals and to prevent and treat infections.  Antibiotics also save as much as 30% in feed costs among young swine, although the savings fade as pigs get older, according to a USDA study.
- Crooy P, De Neys R (June 1972). "Virginiamycin: nomenclature". The Journal of Antibiotics. 25 (6): 371–2. doi:10.7164/antibiotics.25.371. PMID 4568014.
- "University of Michigan: Resistant Microbes, Antibiotic Abuse, and the Threat to Public Health". Archived from the original on 2008-10-28. Retrieved 2009-03-01.
- "Drug-resistant infections lurk in the meat we eat - Infectious Diseases". NBC News. Retrieved December 29, 2009.