ExoticRx · exoticrx.com/drugs/virginiamycin-feed-additive
V-Max, Stafac
Streptogramin antibiotic that inhibits bacterial protein synthesis. Consists of two synergistic components (virginiamycin M1 and S1) that bind to the 50S ribosomal subunit.
Feed additive use only. Used for growth promotion and prevention of liver abscesses in feedlot cattle. Cross-resistance with quinupristin-dalfopristin has raised public health concerns.
Species references:All Cattle (Beef/Dairy) drugsAll Chicken (Poultry) drugsAll Swine (Pig) drugsAll Turkey drugs
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
Upgrade to Pro or Student to unlock the full dose ranges and frequency for every species. The drug's mechanism, warnings, indications, and cited sources are free to read.
View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.