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Have you heard of Coccidiosis?


Unfortunately, it is the most common chicken disease, and fatal if untreated. It is primarily seen in chicks, and young chickens, but can also affect the older in the flock if they are sick or suffering malnutrition. Generally, an active and healthy adult bird will be able to tolerate cocci as they usually develop resistance over time.

Cocci, is a microscopic parasite (protozoa) which is spread through feacal contamination.


Signs include:

🦠 a hunched appearance

🦠 mucousy or bloody diarrhea

🦠dehydration

🦠anemia

🦠listlessness

🦠ruffled feathers

🦠stunted growth, and death.


Because chicks are the most commonly affected, I recommend giving them a medicated chick feed. This will provide a low level of resistance to cocci, but not full protection. I personally like to add ‘Cocciprol’ to their water preventative to for new chicks until they around 10 weeks old. This can also be used as a treatment.


Ways to reduce cocci in young chicks:

🐥 avoid overcrowding

🐥 keep humidity in the cage/area as low as possible – using our chick nipple waterer helps with this.

🐥Keep bowls and trays clean and regularly changed

🐥Prevent contact with wild birds (if possible)

🐥Keep a close eye on your chicks after periods of rain


If you suspect you have a coccidiosis in one chick/chicken, you need to treat the whole flock. If one becomes infected then it’s highly likely to spread through your entire flock. If that happens, your first port of call is to treat with an amprolium product (links below). Secondly, clean as much as you can, and follow the reduction tips above.


If you are worried, I recommend taking the sick chicken to a vet.

➡️Cocciprol
➡️Sulfa 3
➡️Keystat
➡️Chick Clean Nipple Waterer