withdrawl times on sulmet/sulfa, tetracycline---Why?

KiminVA

In the Brooder
10 Years
Apr 8, 2009
22
0
22
Bedford County
In looking at a chicken withdrawal time chart on a variety of meds and vaccines, so many say not to use in laying hens where eggs are for human consumption. Now some give withdrawl times, like don't use eggs for 5 days or 21 days etc.... but the sulfas/sulmet, tetracycline and many others say simply DO NOT use---period. I was under the impression that these had waiting periods but this chart makes it appear that once the meds are given you should never use the eggs. Can someone clear this up for me?

I hope my question is a little clearer than mud.
 

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