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Process for preparing antibiotics for the control and prevention of helminth infections, ectoparasiticas, arthrography prunings and acaricidal
Process for preparing antibiotics for the control and prevention of helminth infections, ectoparasiticas, arthrography prunings and acaricidal
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机译:制备用于控制和预防蠕虫感染,外寄生虫,关节镜修剪和杀螨剂的抗生素的方法
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摘要
The present invention relates to novel agents, to their production by fermentation, to methods for their recovery and concentration from crude solutions, to processes for their purification and to pharmaceutically and pharmacologically-acceptable salts thereof. Also, this invention relates to methods and compositions for the control and prevention of helmintic, arthropod ectoparasitic and acaridal infections, in warm-blooded animals, such as meat-producing animals, and poultry, by administering to said animals a therapeutically or prophylactically-effective amount of new agents designated LL-F28249 alpha , beta , gamma , delta , epsilon , zeta , eta , theta ,@, kappa , lambda , mu , nu , and omega or mixtures thereof. The invention also relates to methods for the control of plant nomatode infestations and other insecticidal activities. These novel agents are produced via a controlled condition microbiological fermentation using Streptomyces cyaneogriseus ssp. noncyanogenus, designated LL-F28249 and having deposited accession number NRRL 15773.
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