Wazine was giving to my laying hens. Are their eggs no longer eatable?

[Folly's place]

The issue with laying hens is about the residue left in each egg yolk in each hen. Many products will be taken up by the yolks, and remain there for a long time, so very few products are now approved for laying hens.
Farad.org has the information, you can look it up there.
Piperazine is no longer approved for laying hens. The only product on the current list that kills roundworms and is approved is hygromycin B. I have no idea why, but there it is!
Because piperazine, ivermectin, fenbendazole, etc, are not approved for use, there's no legally approved egg withdrawal time either. If you use one of these products in your chickens (and there's really nothing much else that works well!), then go with whatever 'feels good' to you.
Funding for research is mostly from commercial poultry sources, so that's what gets studied. If those of us who want longer-lived small flocks, we need to combine into groups large enough to also fund research that benefits our special needs.
Mary

 

[happyfrenchman]

I turn off the automatic waterers and hang a bucket with a nipple nozzle, full of the mixed wazine. The birds are already used to the bucket. I keep them in their coop and run. I take the bucket away the next day. I throw out the eggs for a week. Then I start using the eggs again.I give it a week and I figure it is alright. I do it twice a year. Now is a good time because they are not laying. If you do it routinely you can use a slightly lower dose of wazine. Which is better.

 

[happyfrenchman]

Thank you all so much. I will be giving it a full 21 days then trying them out myself.

You will be alright..... 21 days is alot of eggs to toss. I do a week. That is probably too much. The stuff is not toxic to chickens at that dose. The amount you would get in an egg would be so small. Follow the directions on the bottle. I would not dehydrate the birds first... that is crazy... just leave them no other water source for the 24 hours. They will all get their dosage.

 

[Folly's place]

I think that drug residues in eggs can be a problem, for two main reasons.
If an individual is really allergic/ sensitive to the drug, an unexpected exposure, even if small, can be a concern.
Tiny amounts of antibiotics in eggs may be another way to develop drug resistant bacteria, which is now a real concern.
I have trouble being very concerned about wormers at very tiny doses in the eggs I eat, hoping that I'll never need to need any of them personally!
Mary

 

[casportpony]

Fear not, it's actually approved for laying hens in Canada. If you want to be really safe, just wait 14-21 days.

 

[aart]

Fear not, it's actually approved for laying hens in Canada. If you want to be really safe, just 14-21 days.

With no egg or meat withdrawal?

 

[casportpony]

With no egg or meat withdrawal?

According to FARAD, yes, zero day egg and meat.

 

[aart]

According to FARAD, yes, zero day egg and meat.

I thought FARAD only covered the US?

 

[casportpony]

I thought FARAD only covered the US?

It says something like "piperazine approved in Canada, zero day", but not approved in US, so withdrawal should be extended".

 

[casportpony]

http://www.usfarad.org/drug-wdi-faqs.html

https://vet.osu.edu/sites/vet.osu.edu/files/documents/extension/Egg residue considerations during the treatment of backyard poultry 2015.pdf