D’Anvers hatchlings- cross beak, splay leg, stargazing, sudden death. What is wrong?

Amer

D'Anvers Forever
Premium Feather Member
7 Years
Nov 8, 2017
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Wisconsin
My Coop
My Coop
1) D’Anvers bantams at hatch and late in incubation.
2) With my d’Anvers hatches I’ve had a myriad of issues. When my birds finally started laying fertile eggs I began to hatch them. My hatches were poor to begin with. A lot of embryos died late in incubation. Then, if they did hatch, I would get all kinds of deformities. Chicks with splay legs, cross beaks, and stargazing all over the place. I eliminated these, and was left with apparently active, healthy chicks. Of these apparently healthy chicks, 6 have died of unknown causes.
3) How long has the bird been exhibiting symptoms? Well, all of this year, I’ve had hatchlings with these issues, and this is just the latest round. Last year I might have had a stargazer or a cross beak, and a poor hatch. I don’t remember any sudden deaths though. The parents are the same because I couldn’t find any good breeders in the little group I hatched.
4) It’s only the d’Anvers. I also hatch bantam Buckeyes, Welsummers, and Anconas in huge quantities and haven’t had any of the issues I’ve listed if I’m remembering correctly.
5) Is there any bleeding, injury, broken bones or other sign of trauma. No. Except the slipped tendons.
6) What happened, if anything that you know of, that may have caused the situation. The only things I can think of: the group is inbred. I got one cock and hen from a breeder. Their daughters are also in the breeding pen. It is possible that these issues are all genetic. Could it be nutritional? They eat allflock pellet or chick food, with grit and calcium. This is what my other breeds are getting, but they could need more for some reason. Could it have to do with sanitation? I keep the pens pretty clean, but it’s only cleaned weekly or biweekly.
Could it be the incubator? Is 99.5 too high for some breeds? Is it because I keep forgetting to take the eggs out of the turner until they’re almost hatching? Is the humidity of 40-60 too high?
7) What has the bird been eating and drinking, if at all. Chick crumble and water.
8) How does the poop look? Normal? Bloody? Runny? etc. Normal.
9) What has been the treatment you have administered so far? I am at a loss.
10 ) What is your intent as far as treatment? For example, do you want to treat completely yourself, or do you need help in stabilizing the bird til you can get to a vet? I intend to fix this myself.
11) If you have a picture of the wound or condition, please post it. It may help.
12) Describe the housing/bedding in use
They were in the incubator. Then I put them in the plastic brooder under a heater on puppy pads.

Here’s what they look like, but not the dead ones. Because they’re cute.
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I think based on everything that they may be too closely related, any chance you can bring in a new set of genes? I have been having issues with my Olandsk Dwarf chickens and I know they have pretty thin genetics because they’re so rare and most can be traced to the ones from Greenfire Farms. All are fertile, all make it to lockdown, and half or more are DIS and this last hatch required all to be hatch assisted. So I am looking into getting some new lines in hopes of relieving some of these issues. Since all your other hatching is going fine, it must be genetic. I have hatched 6 d’Anvers this spring and they eat what everyone else is and have been super hardy. So I can’t imagine the feed is the issue. I have been using a brooder plate since it’s pretty warm here, any chance some might be too hot? Just throwing ideas out!
 
Where did you get your parent stock?
An exhibition breeder.

I would definitely suspect genetics are at play. Possibly the age of your roo, and they may have been line bred before you acquired them. I hope you are able to increase your gene pool.
The only other breeder from Wisconsin is the breeder I already got them from. They have cocks/cockerels available but they cost 50 dollars, I don’t want to pay that much to get the same results. Even crossing could be a temporary fix, with the same flaws emerging after a few generations. So that doesn’t help me much. What I can’t stand is the fact that the breeder would just proliferate these flaws.
The cock is pretty old. I don’t understand why that would cause such poor hatch rates but… it might.
I tried to replace him last year and kept a son that looked promising until I realized he had stubs.
Maybe he just had poor genetics to begin with. When bred to one hen, he produced pullets with superior qualities and this fooled me into believing he was good. Heterosis.
 
I don’t know if this helps, but the time I set five eggs under a Silkie, all of them survived and they’re still alive a month or so later. That’s why I’m wondering about the incubator.
 

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