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Dr Shadreck T Magonziwa
Veterinary Doctor
Date: November 28, 2012

Swollen Wattles

Discussion created on 11/28/2012

What are the most important causes of swollen wattles in broiler breeders?

Dr Shadreck T Magonziwa
Veterinary Doctor
Robin Achari Robin Achari
Veterinary Doctor
November 29, 2012

Hi Dr. Shadreck, I have seen this with our Breeder flocks here in Fiji. We have Cobb breed. There are a few questions you need to answer for diagnosis.
1. Any discharge from the eyes, nostril, wattle?
2. What age?
3. Type of male feeders? if you have tube feders for males which swing around when males try to feed off it will cause mechanical damage and oedema of the wattles.
4. Is the any increase in female mortality? Where are they found if any?
5. Any changes in production?
6. What is your Rodent control program like?
7. Any postmortem changes seen?

In our case we isloted it to Fowl Cholera (Pasturella multocida). It was spread by field mice. Adjustments we made:
1.We had nest racks that were not raised and harboured huge numbers of mice in the sheds. So we raised all nest racks for the birds to have move under the racks.
2. Stopped all spillage of feed in the sheds especially from the feeder tracks.
3. Reduced the amount of floor shavings to prevent burrowing of the mice.
4. Blocked all potential points of entry for the mice. We have this problem only when there is the sugarcane harvesting season.
5. Checked and removed all nest boxes for any mice colonies.

Treating your flocks with OTC @ 60mg/kg for 10 days works.

Santiago Sievert Garcia Santiago Sievert Garcia
Bachelor of Science in Animal Husbandry
November 30, 2012
Is the swelling only on the wattles? if the swelling also involves the face , it could be coryza. If the swelling also involves the whole head it could be SHS. The best way to determine your case is to have serological tests conducted to corraborate your post mortem lesions.
December 1, 2012

It appears to be a male birds with both wattles swollen. Swelling has passed the acute phase. Such lesions are highly suggestive of Chronic Fowl Cholera. However, local injuries due to male fighting and infected with pyogenic bacteria needs to be excluded.
I have also seen acute swelling of wattles in Avian Influenza (AI) but with high mortality (Chronic cholera cases are usually sporadic).

December 1, 2012

It might be Pasturella multocida or Fowl Cholera associated with some others Gram+ve and Gram-ve bacteria

Kamal Eldin Abdelmagid Kamal Eldin Abdelmagid
Poultry farmer
December 6, 2012

First of all I would like to extend my sincere gratitude to all vets all around. Despite all participations and thoughts from dear vets, I would like to remind all of u that the isolation and identification of the causative agent is the rule of thumb.

Dr. A.g. Rao Dr. A.g. Rao
December 11, 2012

No doubt it is Fowl cholera, it has to be differentiated from other bacteria through cultural examination as opined by other Vet Doctors. Photograph is good.

December 18, 2012

Swollen wattels me be due to (pasteurella) fowl cholera.

Dr. K. M. Ehasanul Islam Dr. K. M. Ehasanul Islam
DVM, MS(Theriogenology)
April 22, 2013

According to my field experiece I can say that this is Fowl Cholera.

June 26, 2019

In Fowl Cholera the mortality rate is high. If you face high morbidity and low morality plus nasal and lacrimal discharge (one or both side), reduce egg production without change in quality (in case of production phase), low feed and water consumption, 10 to 15 days course, low common period (2D), positive response to antibiotics, exudate in trachea (usu non fibrionopurrolant), with or without Avibacterium paragallinarum bacterin vaccine, maybe gasping in male: strogly yoy faces Infectious Coryza.


July 8, 2019

Hamid Reza Fallah
Thank you for providing me valuable information.
With regards

Dr Shadreck T Magonziwa Dr Shadreck T Magonziwa
Veterinary Doctor
July 15, 2019
Hamid Reza Fallah noted and much appreciated
July 9, 2019

Here in Bangladesh, Fowl Cholera is a very common disease in commercial layer, But only swollen wattle is not enough sign to diagnose any disease.
So it is my humble request to all respective person to describe the proper history and clinical sign.


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