Given the inclination of backyard chicken keepers to add chickens to their existing flocks, also known as “chicken math,” it is extremely important that proper quarantine procedures are followed when bringing new flock members home. Failure to quarantine new flock members can- and often does- result in the death of an entire flock. This flock was lost due to improper quarantine procedures when new chickens were brought into the backyard.

To illustrate the importance of quarantine, a long-time Facebook follower, Melissa Stalpers, has graciously offered to share her story. This timeline documents the events leading up to the loss of her entire flock recently:

The dangers of failing to quarantine mew chickens.

November 9: Melissa bought 3, six month old, healthy-looking, Cinnamon Queen chickens from a breeder through Craigslist. Unknowingly, she did not properly quarantine the new chickens from her existing flock of 42 chickens. (they were in a crate near her flock)

November 19: the new birds develop bubbly, clear fluid in their eyes and nostrils, breathing sounds rattly and they begin falling over. Within hours, 2 of the 3 new birds died. Melissa wrote to me on Facebook & I recommended that she obtain a necropsy of the deceased birds.

 Chicken Health & Poultry Management Resources by State

**Any time a sick chicken dies suspiciously, a necropsy of the deceased bird(s) should be performed. Information about obtaining a necropsy can be found HERE.

November 20th: third new bird died. First existing flock member developed the same symptoms the new birds exhibited.

Ameraucana hen with matted feathers around the eyes due to the discharge from MG.
Buff Ameraucana hen with matted feathers around the eyes due to the discharge from MG.

November 30th: Five existing flock members have died. Bird sent to have necropsy performed.

December 6th: Veterinarian confirms mycoplasma gallisepticum (aka: MG, chronic respiratory disease, CRD). This highly contagious, respiratory disease was likely latent in the Cinnamon Queens and the stress of moving caused the disease to become active and spread. Remaining flock members were treated with Baytril, Cipro and eye drops to mitigate the symptoms, but would always remain carriers of MG.

Melissa's daughter helps medicate the flock, a process that took 2 hours every day.
Melissa’s daughter helps medicate the flock, a process that took 2 hours every day.

By December 11: the entire flock of 42 birds had died and the family was distraught.

Melissa's healthy flock members.
Melissa’s flock members in healthier days.

Again, many thanks to Melissa for sharing her story so that we can benefit from her experience.

WHAT IS QUARANTINE?

To quarantine means to completely isolate newly acquired birds from an existing flock for a significant period of time, during which they are observed for diseases and parasites.

WHY QUARANTINE?

A chicken can appear perfectly healthy while harboring problems (diseases and parasites) that may not be obvious initially.  Quarantining provides an opportunity to watch for health dangers without risking the health of an existing flock. Moving chickens from one home to another is a major stressor, which can cause latent diseases to become active posing a health threat to other birds.

HOW TO QUARANTINE

Birds from different backyards, farms or facilities should be quarantined as long as possible in separate housing, away from the main flock; the bare minimum recommendation is two weeks, but 30-60 days is preferred.  During the quarantine period, testing can be performed if desired (eg: fecal float testing for worms, bloodwork for other communicable diseases) and a lice or mite infestation can be identified and treated. Once the quarantine period is over and all the new birds still appear healthy, they can be integrated gradually into the existing flock.

QUALITY QUARANTINE =  D.I.T.O.: Distance, Isolation, Time, Observation

Distance
Keep new birds at least 12 yards away from existing flock. Some diseases, such as mycoplasma gallisepticum, can travel in the air.

These Silver Spangled Hamburg pullets were kept in my basement in January, far away from the main flock, for 6 weeks before they took up residence in our new coop.
These Silver Spangled Hamburg pullets were kept in my basement in January, far away from the main flock, for 6 weeks before they took up residence in our new coop.

Isolation
Keep new birds confined and isolated in a dedicated pen or other suitable area. Don’t share equipment, clothes, shoes, feeders, waterers between the new birds & existing flock.  For example: do not wear the same boots to feed the new birds and then walk to the existing flock in the same boots as many pathogens can be carried on clothes, equipment and shoes.

Keep new birds confined and isolated in a dedicated pen or other suitable area. Don’t share equipment, clothes, shoes, feeders, waterers between the new birds & existing flock. For example: do not wear the same boots to feed the new birds and then walk to the existing flock in the same boots as many pathogens can be carried on clothes, equipment and shoes.

Time
The longer a bird is in quarantine, the greater the opportunity for diseases to manifest themselves and be detected. Three weeks is the bare minimum recommendation, but longer is better.

After the quarantine period has expired and everyone checks out okay, the process of integration into the existing flock can begin.

Observation
Observe new birds for signs of illness including: coughing, sneezing, gurgling, red, swollen or watery eyes, eye or nasal discharge, paralysis of legs and/or wings, discolored combs, wattles, drowsiness, depression, uncoordinated movements, lack of appetite, failure to drink and/or unusual droppings (bloody, worms, diarrhea). Never add birds with signs of disease to the flock.

Learn how to go about introducing the newbies without bloodshed while minimizing stress in this article.

After the quarantine period has expired and everyone checks out okay, the process of integration into the existing flock can begin. Learn how to go about introducing the newbies without bloodshed while minimizing stress in this article.

Kathy Shea Mormino

Affectionately known internationally as The Chicken Chick®, Kathy Shea Mormino shares a fun-loving, informative style to raising backyard chickens. …Read on

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Given the inclination of backyard chicken keepers to add chickens to their existing flocks, also known as “chicken math,” it is extremely important that proper quarantine procedures are followed when bringing new flock members home. Failure to quarantine new flock members can- and often does- result in the death of an entire flock. This flock was lost due to improper quarantine procedures when new chickens were brought into the backyard.

To illustrate the importance of quarantine, a long-time Facebook follower, Melissa Stalpers, has graciously offered to share her story. This timeline documents the events leading up to the loss of her entire flock recently:

The dangers of failing to quarantine mew chickens.

November 9: Melissa bought 3, six month old, healthy-looking, Cinnamon Queen chickens from a breeder through Craigslist. Unknowingly, she did not properly quarantine the new chickens from her existing flock of 42 chickens. (they were in a crate near her flock)

November 19: the new birds develop bubbly, clear fluid in their eyes and nostrils, breathing sounds rattly and they begin falling over. Within hours, 2 of the 3 new birds died. Melissa wrote to me on Facebook & I recommended that she obtain a necropsy of the deceased birds.

 Chicken Health & Poultry Management Resources by State

**Any time a sick chicken dies suspiciously, a necropsy of the deceased bird(s) should be performed. Information about obtaining a necropsy can be found HERE.

November 20th: third new bird died. First existing flock member developed the same symptoms the new birds exhibited.

Ameraucana hen with matted feathers around the eyes due to the discharge from MG.
Buff Ameraucana hen with matted feathers around the eyes due to the discharge from MG.

November 30th: Five existing flock members have died. Bird sent to have necropsy performed.

December 6th: Veterinarian confirms mycoplasma gallisepticum (aka: MG, chronic respiratory disease, CRD). This highly contagious, respiratory disease was likely latent in the Cinnamon Queens and the stress of moving caused the disease to become active and spread. Remaining flock members were treated with Baytril, Cipro and eye drops to mitigate the symptoms, but would always remain carriers of MG.

Melissa's daughter helps medicate the flock, a process that took 2 hours every day.
Melissa’s daughter helps medicate the flock, a process that took 2 hours every day.

By December 11: the entire flock of 42 birds had died and the family was distraught.

Melissa's healthy flock members.
Melissa’s flock members in healthier days.

Again, many thanks to Melissa for sharing her story so that we can benefit from her experience.

WHAT IS QUARANTINE?

To quarantine means to completely isolate newly acquired birds from an existing flock for a significant period of time, during which they are observed for diseases and parasites.

WHY QUARANTINE?

A chicken can appear perfectly healthy while harboring problems (diseases and parasites) that may not be obvious initially.  Quarantining provides an opportunity to watch for health dangers without risking the health of an existing flock. Moving chickens from one home to another is a major stressor, which can cause latent diseases to become active posing a health threat to other birds.

HOW TO QUARANTINE

Birds from different backyards, farms or facilities should be quarantined as long as possible in separate housing, away from the main flock; the bare minimum recommendation is two weeks, but 30-60 days is preferred.  During the quarantine period, testing can be performed if desired (eg: fecal float testing for worms, bloodwork for other communicable diseases) and a lice or mite infestation can be identified and treated. Once the quarantine period is over and all the new birds still appear healthy, they can be integrated gradually into the existing flock.

QUALITY QUARANTINE =  D.I.T.O.: Distance, Isolation, Time, Observation

Distance
Keep new birds at least 12 yards away from existing flock. Some diseases, such as mycoplasma gallisepticum, can travel in the air.

These Silver Spangled Hamburg pullets were kept in my basement in January, far away from the main flock, for 6 weeks before they took up residence in our new coop.
These Silver Spangled Hamburg pullets were kept in my basement in January, far away from the main flock, for 6 weeks before they took up residence in our new coop.

Isolation
Keep new birds confined and isolated in a dedicated pen or other suitable area. Don’t share equipment, clothes, shoes, feeders, waterers between the new birds & existing flock.  For example: do not wear the same boots to feed the new birds and then walk to the existing flock in the same boots as many pathogens can be carried on clothes, equipment and shoes.

Keep new birds confined and isolated in a dedicated pen or other suitable area. Don’t share equipment, clothes, shoes, feeders, waterers between the new birds & existing flock. For example: do not wear the same boots to feed the new birds and then walk to the existing flock in the same boots as many pathogens can be carried on clothes, equipment and shoes.

Time
The longer a bird is in quarantine, the greater the opportunity for diseases to manifest themselves and be detected. Three weeks is the bare minimum recommendation, but longer is better.

After the quarantine period has expired and everyone checks out okay, the process of integration into the existing flock can begin.

Observation
Observe new birds for signs of illness including: coughing, sneezing, gurgling, red, swollen or watery eyes, eye or nasal discharge, paralysis of legs and/or wings, discolored combs, wattles, drowsiness, depression, uncoordinated movements, lack of appetite, failure to drink and/or unusual droppings (bloody, worms, diarrhea). Never add birds with signs of disease to the flock.

Learn how to go about introducing the newbies without bloodshed while minimizing stress in this article.

After the quarantine period has expired and everyone checks out okay, the process of integration into the existing flock can begin. Learn how to go about introducing the newbies without bloodshed while minimizing stress in this article.

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Amanda
Amanda
2024 years ago

I have 1 sick chick. I say sick but it was drinking water and then it did some weird thing and slimy stuff was dripping off its beak. I don’t know if it aspirated or is actually sick. I woke up at 2 a.m. that next morning and it was wheezing and sneezing. I found a plastic tub and put it in there with paper towels and the whole works. It is still sneezing 2 days later but isn’t wheezing. It is highly stressed from being separated from the others. None of the other 12 show any signs of any… Read more »

JoAnne Davis
JoAnne Davis
2024 years ago

Good information to know I will pass it along! Thanks as always

Diane
Diane
2024 years ago

Not sure if this is correct place to post this but I did not quarantine as I should have and I ended up with MG in my birds but did not loose any birds! But now I know that my birds are carriers and one of them also has has Mareks disease so the birds have been exposed to this too. I have a very small flock of 5 which was thought to be 4 hens and 1 rooster but ended up as 1 hen & 4 roosters……so I now have a sick rooster that I will have to keep… Read more »

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