Sorry for the hijack but to me it is an interesting topic.
http://www.farad.org/publications/miscellaneous/layinghenseggresidues.pdf
On page 26 of this document I found some info on Carbaryl. The way I read it if you give it internally there is a withdrawal period. If used as a dust, no...
Aart, what is your source for lifetime withdrawal for Sevin? I don’t know what FARAD is. Google did not help. I specifically asked a Poultry Science Professor with a specialty in diseases about withdrawal after dusting with Sevin. His response was zero withdrawal. You can use the eggs...