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PostPosted: Thu Sep 28, 2017 12:48 pm 
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Newbie
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Joined: Thu Feb 23, 2017 11:49 am
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Location: Riddells Creek
Hi chook folk

I noticed this morning that my girls have a bit of a lice problem and so I've given them a good dusting with Pestene, they were due in Oct anyway. Next to clear out the coop properly and sort out the bedding. Do you think there is anything else I should do? There are a few eggs clusters on some of the birds :-( Poor girls. They were clean as a whistle last I checked and dusted, so I want to get them all sorted again.

Further to this, I also happened to be at the vet this morning on another matter and we got on to the topic of parasite prevention in hens. They suggested that I treat my birds every six weeks with alternating treatments of the following, Avitrol Plus, then Ivermectin. The first will cover worms inc. tape and the second will cover worms, lice/mites exc. tape.

Now I'm all for a diligent parasite management program, but this strikes me as a pretty intense prevention program. I think it also means that I'll have to toss the eggs produced for the week following every one of those treatments, that's a lot of hard work from the ladies thrown in the bin.

What do others use as their worm and lice/mite preventatives and how often?

I've had a look at the pages on lice and worms, but it seems a minefield. I'm hoping for some very simple and clear advice.

Thank you.

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PostPosted: Thu Sep 28, 2017 11:12 pm 
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Old Mother Goose
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Joined: Thu Apr 23, 2009 11:15 pm
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Location: ACT area
I use a Levamisole product and a dust when the chooks are laying (no with holding) and Moxidectin Plus (covers all worms and most external parasites) when they are off the lay (so no issues with with holding eggs). All new birds are Moxi'd while they are in quarantine.
Treat 3 monthly (change of seasons)


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PostPosted: Sun Oct 22, 2017 12:55 am 
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Great Game
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Location: West of Bendigo
I'm surprised that a vet would suggest Ivermectin, it being off-label. Vets mostly supply it at the request of the customer, but won't be drawn into suggested dosage, and won't suggest it without 'the question' coming from the customer. Six-weekly does sound intense, even horses are only usually wormed four times annually. Also interested in others' opinions.

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PostPosted: Sun Oct 22, 2017 8:27 am 
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Joined: Thu Feb 23, 2017 11:49 am
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Location: Riddells Creek
Interestingly, it was suggested by two vets. A general practice small animal vet and a specialist bird and exotic animal vet. Sounds widely used based on the conversation with each of them, and its off label status seems to be only due to formal testing on chickens not being done. Its done the trick anyway, so that's good news and the girls looks great. Both were very clear it was safe and both also suggested no withholding period for eggs, given the lose dosage. Looking online there is a raft of for/against and conflicting information, I think each person needs to make up their own mind. I'm going to dose with Avitrol Plus on the six week period and then eek out their dosages to longer periods between, just want to ensure the flock are clean and healthy before I do and Iv'e had two new birds added recently.

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PostPosted: Sun Oct 22, 2017 2:16 pm 
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Great Game
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Location: West of Bendigo
Sounds good. My crisis of conscience today is out-of-date wormer. I've just used Avitrol Plus today, which is slightly out of date I'm not going to stress about it. But the Ivermectin for next time is on my shelf, just checked and it's 12 months out of date. Was told by a sheep farmer to use it anyway for the chooks, at the worst it would be harmless, just maybe lost some strength. Don't know whether to wait and use it, or discard it now. Any brains-trust out there on out of date wormer?

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PostPosted: Mon Oct 23, 2017 10:18 am 
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Dapper Duck
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Stability studies I have seen on ivermectin indicate loss of potency is extreme, the sheep farmer was probably correct in suggesting it was harmless but this is probably true for worms as well as chooks. The obvious issue with using a low potency wormer is the potential for creating or adding to resistance, for this reason I would not use the product, others may well disagree.

As a side note, I was shocked to see you only worm horses four times a year, for over 35 years in Queensland and New South Wales, every vet I have seen for horses has assumed a six weekly worming rotation was necessary, maybe it is different in Victoria.

OP, if you do ever treat your hens with drugs with an egg withholding period feed the eggs (cooked) back to the hens, don't throw them out.


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