| The antibiotics normally used are oxytetracycline or tetracycline or erythromycin. |
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| In the case of the widely used antibiotic oxytetracycline, scientists say around 95 percent of this nonbiodegradable chemical finds its way into the wider environment. |
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| Doxycyclin hyclate is a broad-spectrum antibiotic synthetically derived from oxytetracycline This drug is a tetracycline antibiotic. |
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| It has zone diameters that indicate resistance to chlortetracycline, oxytetracycline, demeclocycline, doxycycline, methacycline, and minocycline. |
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| It has also set up surveillance checks in a surrounding buffer zone, and recommended the use of oxytetracycline to prevent secondary infections. |
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| The other three are oxytetracycline, ampicillin and eurofloxacin. |
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| Oxytetracycline is poorly absorbed by many people and erythromycin is not particularly effective. |
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