COMPOSITION
A mixture of virginiamycins M1 and S1
CAS NO.
11006-76-1
PURITY
50%
APPEARANCE
Light brown powder
M.F.
C28H35N3O7 (Virginiamycin M1) & C43H49N7O10 (Virginiamycin S1)
M.W.
525.6 (Virginiamycin M1) & 823.9 (Virginiamycin S1)
DESCRIPTION:
Virginiamycin complex is a solid powder mixture of 75% virginiamycin M1 (Ostreogrycin A, sc-202269) and 25% virginiamycin S1(sc-202384), two streptogramin antibiotics which present a synergistic bacteriocidal action. Virginiamycin M1 inhibits the function of the 50S ribosomal subunit without blocking its assembly, producing a bacteriostatic effect. With the addition of the virginiamycin S1 component the complex presents bacteriocidal effects, indicating an interaction between the two compounds upon their association with the ribosome.
APPLICATION:
An antibiotic used in livestock feed to prevent disease among young swine. Also is used in ethanol production to prevent microbial contamination.
DOSAGE IN FEED ADDITIVES:
For Chicken feed additives: 2-5mg/Kg
For Swine feed additives: 10-20mg/Kg
WITHDRAWAL TIMES:
For Chicken: 1 day
For Swine: 1 day
For laying chicken: Forbidden to use
25Kg/drum or 1Kg/foil bag
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