veterinary pharmaceuticals and preparations for the treatment of colibacillosis, coccidiosis, intestinal parasites, respiratory diseases, respiratory complex, intestinal dysentery, rhinitis, pneumonia, foot rot, diphtheria, metritis, arthritis, erysipelas, sinusitis and liver abscesses in livestock and domestic animals; controlled-release growth implant for beef steers, nutritional feed additive for increased weight gain for swine, beef and chicken feeds; and carcass leanness