from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An antibiotic, C46H77NO17, obtained from the actinomycete Streptomyces fradiae and used to treat respiratory infections in animals.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an veterinary antibiotic obtained from the actinomycete Streptomyces fradiae
E. coli in SwineA study conducted by Nancy Cornick, associate professor of veterinary microbiology at Iowa State University, examines the usage of three antibiotics - tylosin, chlorotetracycline and bacitracin methylene disalicylate.
In her study, Professor Cornick examined the usage of three particular antibiotics - tylosin, chlorotetracycline and bacitracin methylene disalicylate - that are generally used at dosages to encourage growth promotion.
Professor Cornick's project showed that the pigs that were fed the diet supplemented with chlorotetracycline and tylosin shed significantly less
But Canadian and American producers continue to use several of those banned drugs, including salinomycin for cattle, bactricin for chickens, turkeys and swine, tylosin in swine, and virginiamycin for chickens and swine.
The most commonly used agents have been lincomycin and tylosin for controlling dysentery and Mycoplasma infections in swine and spiramycin for treating mastitis in cattle.
For the past 20 years, tylosin has also been the most commonly used agent for growth promotion in swine production worldwide, whereas spiramycin has been commonly used in poultry.
Ileitis, or PIA, was not an issue until tylosin phosphate was prohibited in the EU in
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