FDA-approved Medications for use in Laying Hens as of June 2015
Discerning which medications are approved for use in laying hens can be confusing. In order to determine if a medication is approved for use: 1. check that the medication is labelled for "chickens, all classes." The label may even state for use in layers or laying hens. 2. Determine that the label does not exclude "Laying hens" 3. Determine that a tolerance in eggs exists for the drug. This may be done by checking the VetGram or FDA Animal Drugs websites. For more on tolerances see "Rules & Regulations."
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Active Ingredients Approved for use in Laying Hens in Other Countries
**Disclaimer: withdrawal times used in other countries may not be long enough to allow residues to deplete below the detection limits of FSIS in the United States. By law, all medication use that differs from the label directions requires the supervision of a veterinarian.**
Amprolium - Canada and UK
Bacitracin - Australia Chlortetracycline - Australia, Canada, and Ireland Colistin- Ireland and UK Erythromycin - Ireland and UK Fenbendazole - EU Flubendazole - Ireland and UK Levamisole - Australia Lincomycin HCl/Spectinomycin Sulphate - Australia Neomycin Sulfate - Canada and Australia Oxytetracycline - Canada Penicillin G Potassium - Canada Phenoxymethylpenicillin Potassium (penicillin V) - Ireland and UK Phoxim - Ireland Piperazine - Australia and Canada Tiamulin - Ireland and UK Tylosin phosphate - Australia Tylosin tartrate - Ireland
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