Polycyclic ether antibiotic having anthelmintic, anticoccidial and growth promotant activity
AssigneePfizer Inc.
InventorsWalter P. Cullen, John P. Dirlam, Hiroshi Maeda, Junsuke Tone
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Abstract
An acidic polycyclic ether antibiotic, having structure established by X-ray crystallography, is formed by fermentation of a novel microorganism, Streptomyces sp. ATCC 55028. This novel antibiotic is useful as an anticoccidial in chickens, in the prevention or treatment of swine dysentery, as a growth promotant in cattle and swine, and as an anthelmintic in mammals, particularly in dogs, cats, sheep, cattle and swine.
Claims2
A biologically pure culture of Streptomyces sp. ATCC 55028, said culture being capable of producing the compound having the formula ##STR2## in a recoverable quantity upon fermentation in an aqueous nutrient medium comprising assimilable sources of carbon and nitrogen.
Dependencies are inferred from the claim text.