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#10649 - 07/17/02 06:55 AM Coryza Outbreak
Anonymous
Unregistered


Need some advice. I bought a dozen started pullets from and individual and a week after bringing them home, our one year old hens are getting sick with Coryza. They have stopped laying, watery eyes, swollen wattles, and some are coughing. Have lost two so far. I have them on antibiotics in the drinking water and am hoping for the best. Can anyone tell me what I should be doing? Been keeping their house really clean and disenfecting it. From what I have read so far, sounds like eliminating the entire flock and cleaning out the house and waiting to replace the flock is the only cure. My hope is that they will get better, then I will let them all hang around so the new Hens can lay this year, then do the replacement next spring when I start new chicks myself.
This is my second year with chickens and unfortunately am learning things like this the hard way.
If anyone can give me advice on what I should be doing different, and also if even trying to nurse this flock back is going to work I would appreciate it.
Thanks,

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#10650 - 07/17/02 08:14 AM Re: Coryza Outbreak
Bruce Smith Offline
Coop Keeper

Registered: 07/17/02
Posts: 560
Loc: Michigan
Damerow says to medicate with erythromycin or streptomycin or
sulfadimethoxine, but the disease may recur. Are you sure it's coryza?
Do they have facial swelling? She also says cleaning and disinfecting the
coop and leaving vacant for three weeks helps. The bacteria are easily
killed with disinfectants, so some ongoing cleaning and disinfecting
couldn't hurt, either. Let us know how they do.

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#10651 - 07/17/02 11:03 AM Re: Coryza Outbreak
Anonymous
Unregistered


Thanks for the information. I am giving them sulfadimethoxine and I although I have not had them professionally examined, I am pretty confident in the diagnosis. There is quite a bit of facial swelling, some have an eye swollen shut. According to some online publications, the fact that I just introduced new birds is the most common way for the disease to spread. I definitely will not buy started pullets again. I am going to continue with cleaning, but I don't think there is any way I can leave the entire coop vacant for 2-3 weeks without getting rid of my flock.
I am hoping that I don't lose any more birds and that they will recover and the older Hens will lay again, especially until the new pullets start.
My long term plan is to clean out the entire flock next spring, then let the coop stand empty to sterilize it completely before bringing in disease free birds again.
Thanks again for the help.

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#10652 - 07/17/02 06:50 PM Re: Coryza Outbreak
D. Caveny Offline
Ruler of the Roost

Registered: 07/16/02
Posts: 1102
Loc: Arizona
enrofloxacin is approved overseas for the treatment of coryza but not in this country. The definitive diagnosis for coryza is a very unique "stink"...once you smell it you will never forget it. I smelled my first case in 1956 and did not see it again until the late 1980's in Mexico. The minute I walked into the house I knew what it was by the unique smell. Culture later diagnosed the disease.

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#10653 - 07/23/02 12:04 PM Re: Coryza Outbreak
Anonymous
Unregistered


Update on Coryza.
Thanks for the help. Yes, I am really sure now because we definitely have a nasty smell out there. Something we haven't ever experienced before until all of this started.
Still treating with Sulfamethoxide(sp?). Many of the birds are doing better and getting back to themselves but we have lost a total of 9 birds now from it. It has been extremely hot here and it seemed we were making some headway, but when the heat set in, it seemed to knock several of them down.
I am about convinced that I just need to clear out the whole flock and start over. I am still holding out a little hope that these will recover and we can salvage a year's egg laying out of them, then replace the whole flock next year after I have properly sanitized and make sure the coop is disease free.
One tough lesson to learn on buying birds from independant farmers. If anyone asks for my advice, just start your own diseas free chicks and don't take a chance. This is a real mess and very discouraging.

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#10654 - 07/23/02 12:59 PM Re: Coryza Outbreak
Big Boy Offline
Ruler of the Roost

Registered: 07/17/02
Posts: 845
Loc: Kansas
I don't blame you for being somewhat discouraged. I have gone through the same thing. Finally, I wnet to quarantining all incoming for at least two weeks and choring them last while switching to equipment used just for the quarantined fowl. Chicks are probably the safest way (and the cheapest, as you have found). I am sorry for you but dear-bought lessons are the ones we best remember. Good Luck!

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#10655 - 07/23/02 03:17 PM Re: Coryza Outbreak
Susie Offline
Lord of the Fowl

Registered: 07/16/02
Posts: 1902
Loc: Arkansas
Jeff,

I'm sorry you're going through this. Never had Coryza in my flock but I can certainly imagine what type of ordeal you have been through in the past several days!

Hang in there!
Susie

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#10656 - 07/27/02 03:45 PM Re: Coryza Outbreak
Anonymous
Unregistered


Hi All, Does anyone know are the eggs safe to use from these infected birds? Is there a waiting period after recovery to use these eggs?
and three will any chicks raised from these birds be infected?
Thanks so much!!

Just found infected birds in my small flock today and will start meds monday, as I can not get any untill then.

Regards
Don

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#10657 - 07/27/02 05:52 PM Re: Coryza Outbreak
Big Boy Offline
Ruler of the Roost

Registered: 07/17/02
Posts: 845
Loc: Kansas
As far as I know, the eggs are OK for human consumption. However, it used to be thought that the coryza virus was transmissable through the egg
and so I would hesitate to use these birds for breeders. But, here again, I would contact your vet or hope that someone more knowledgable would read this thread and give you more up-to-date advice. Good luck.

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#10658 - 07/27/02 10:56 PM Re: Coryza Outbreak
Anny Offline
Coop Keeper

Registered: 07/16/02
Posts: 503
Loc: Belgium
I don't know about Coryza, but with respect to medicating with a sulfa-drug I would consider a withdrawal period up to ten days after last medication to be safe. Personally, I have eaten eggs from sulfa-medicated hens but I would never sell such eggs, nor give them for free!
My vet/friend is coming this afternoon for a BBQ, I will discuss the matter with him and let you know if I have more information.
This vet/friend does not normally do chickens (I pay for my dog but he does my chickens for free!!!) but he does all pets, including birds, and he has access to all the information.
Good luck, Anny

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