Antibiotic A-4696
AssigneeEli Lilly and Company
InventorsRobert L. Hamill, William M. Stark, Donald C. DeLong
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Abstract
Antibiotic A-4696, produced by Actinoplanes sp., strain ATCC 23342, under submerged aerobic conditions in a liquid culture medium isolated from the fermentation broth by adsorption on activated carbon, eluted therefrom with a 1% sulfuric acid solution in acetone, and purified over sulfuric acid-washed alumina has antibacterial and growth promotant activity.
Claims5
A method for promoting growth and improving feed efficiency in poultry and swine which comprises orally administering to said poultry and swine an effective growth promoting quantity of the antibiotic substance A-4696, or a pharmaceutically acceptable acid addition salt thereof.
An animal feed composition effective for promoting growth and improving feed efficiency in poultry and swine which comprises a basal ration and in admixture therewith, per ton of said basal ration, between about 2 and about 200 grams of the antibiotic substance A-4696, or a pharmaceutically acceptable acid addition salt thereof.
Dependencies are inferred from the claim text.