Egg Withdrawl Times in the US

By Dr. Laura Pylman

Approved Products for Laying Hens

• Amprolium (Corid) – No egg withdrawal when used at labeled dose
• Permethrin (Permectrin II, ProZap, etc) – No egg withdrawal when used according to label directions
• Spinosaid (Elector PSP) – No egg withdrawal when used according to label directions
• Hygromycin B (as a feed additive at labeled dose) -No egg withdrawal
• Nystatin (as a feed additive at 100g/ton) -No egg withdrawal
• Fenbendazole (ONLY AS AQUASOL AT LABELED DOSE OF 1MG/KG!!) -No egg withdrawal (SEE BELOW FOR HIGHER DOSING)

Not Approved (can only be used by veterinary prescription even when available OTC, consult your veterinarian for withdrawal times appropriate to your specific situation)

• Ivermectin (any dose) -8 week withdrawal
• Piperazine (Wazine) (label dose) -17day withdrawal
• Oxytetracycline in water (800mg label dose) -14days for personal consumption, 8 weeks for sold eggs or known sensitivities
• Tetracycline in water (Duramycin 10) (label dose) -14 days, 8 weeks for sold eggs or known sensitivities
• Sulfamethazine (Sulmet) (full label dose) -21 days
• Sulfadimethoxine (Albon) (label dose) -21 days
• Tylosin injectable (Tylan) -8 weeks due to lack of studies
• Tylosin orally -14 days at treatment dose (no withdrawal at approved feed additive dose)
• Levamisole (Prohibit) -21days
• Albendazole (Valbazen) -14days
• Fenbendazole (Safe Guard) (10mg/kg x3 days) -17days
• Pyrantel -8weeks due to lack of any studies showing elimination times in eggs
• Tiamulin (Denagard) -6-8 weeks due to lack of studies showing elimination times and zero tolerance for residue in the US (no withdrawal in the EU, because they allow tiamulin residue in eggs)

Not Allowed

• All pesticides not specifically labeled. Pesticides are not allowed to be used extra label
• Fipronil (Frontline) -lifetime withdrawal per FARAD
• Carbaryl (Sevin) -lifetime withdrawal per FARAD

STRICTLY PROHIBITED -ILLEGAL TO USE lifetime withdrawal

• Fluoroquinolones (Baytril, Cipro, etc)
• Metronidazole (Flagyl) and other drugs in this family (Nitroimidazoles)
• Chloramphenicol
• Clenbuterol (ventipulmin)
• Diethylsilbesterol (DES)
• Glycopeptides (vancomycin,etc)
• Nitrofurans (Furazone, etc)
• Cephalosporins (excede, naxcel, etc)
• Antivirals

All egg withdrawal times have been obtained through The Food Animal Avoidance Residue Databank (FARAD). We recommend that you work with your vet to make sure these withdrawal times are still appropriate for your flock.