摘要 |
1. A growth-stimulating feed additive for economic animals on the basis of 2-formyl-quinoxaline-1,4-dioxide-cyanoacetyl hydrazone (cyadox), characterized by a mixture of 2-formyl-quinoxaline-1, 4-dioxide-cyanoacetyl hydrazone and phthalazole, optionally in the form of an addition salt, and/or tylosine, optionally in the form of an addition salt, complex salt, or metal chelate, or in the form of a tylosine-containing dried fermentation medium, or of a tylosine-containing mycellium of a corresponding production strain separated therefrom. |