Virginiamycin. Antibiotic 899 . Eskalin . Founderguard . Stajac . Virgimycine . Staphylomycin . STREPTOGRAMIN . VIRGINIAMYCIN FACTOR S1 . A cyclic polypeptide antibiotic complex from Streptomyces virginiae, S. loidensis, S. mitakaensis, S. pristina-spiralis, S. ostreogriseus, and others. It consists of 2 major components, VIRGINIAMYCIN FACTOR M1 and virginiamycin Factor S1. It is used to treat infections with gram-positive organisms and as a growth promoter in cattle, swine, and poultry. . 1.00
Founder Effect. Effect, Founder . Effects, Founder . Founder Effects . A phenomenon that is observed when a small subgroup of a larger POPULATION establishes itself as a separate and isolated entity. The subgroup's GENE POOL carries only a fraction of the genetic diversity of the parental population resulting in an increased frequency of certain diseases in the subgroup, especially those diseases known to be autosomal recessive. . 0.51