Chicken diarrhea is a common ailment that affects backyard chickens and commercial poultry flocks alike. It can be caused by various factors, including diet, stress, infectious diseases, and parasites.
As a chicken owner, it’s important to understand the causes, symptoms, and treatment options for chicken diarrhea in order to maintain the health and well-being of your flock. In this blog post, we will delve into the details of chicken diarrhea, providing you with valuable insights to better manage this condition in your flock.
You may also want to read about the best chicken feed.
Causes of Chicken Diarrhea
Chicken diarrhea can be caused by a variety of factors, including:
- Diet: Poor nutrition, sudden changes in diet, or feeding spoiled or contaminated food can lead to digestive upset and diarrhea in chickens. Overfeeding of high-protein or high-fat foods can also cause an imbalance in the gut and result in diarrhea. Make sure to provide a good chicken food.
- Stress: Chickens are sensitive to stress, which can weaken their immune system and disrupt their gut health. Stressful events such as changes in flock dynamics, extreme weather conditions, transportation, or overcrowding can trigger diarrhea in chickens.
- Infectious Diseases: Several viral, bacterial, and parasitic diseases can cause diarrhea in chickens. Common infectious diseases that can lead to diarrhea include avian influenza, coccidiosis, infectious bronchitis, salmonellosis, and campylobacteriosis.
- Parasites: Intestinal parasites such as worms, coccidia, and protozoa can infest the digestive tract of chickens, causing diarrhea. Parasite infestations are common in chickens and can be transmitted through contaminated food, water, or soil.

Symptoms of Chicken Diarrhea
Diarrhea in chickens can present with a variety of symptoms. It’s important to closely monitor your flock for any signs of diarrhea, including:
- Loose or watery feces: Diarrhea is characterized by loose, watery, or foamy feces that may have an abnormal color or smell. The feces may also contain undigested food particles, mucus, or blood.
- Increased frequency of bowel movements: Chickens normally have a regular pattern of bowel movements. If you notice an increase in the frequency of bowel movements or if your chickens are constantly passing feces, it may be a sign of diarrhea.
- Changes in behavior: Chickens with diarrhea may exhibit changes in behavior, such as lethargy, reduced appetite, or reluctance to move. They may also have ruffled feathers, hunched posture, or appear weak.
- Dehydration: Diarrhea can lead to dehydration in chickens, which can manifest as dry or pale comb, sunken eyes, or loss of skin elasticity. Dehydration can be life-threatening for chickens and requires immediate attention.
Treatment of Chicken Diarrhea
The treatment of chicken diarrhea depends on the underlying cause. It’s important to identify the cause of diarrhea in your flock in order to implement appropriate treatment strategies. Here are some general guidelines for managing chicken diarrhea:
- Dietary adjustments: If the diarrhea is caused by poor nutrition or sudden changes in diet, it’s important to provide a balanced and consistent diet to your chickens. Avoid feeding spoiled or contaminated food, and ensure that your chickens have access to clean water at all times. Probiotics or supplements that promote gut health may also be beneficial in restoring the balance of gut bacteria.
- Minimizing stress: Reduce stressors in your flock’s environment by providing adequate space, ventilation, and shelter. Avoid overcrowding and sudden changes in flock dynamics. Provide a clean and dry environment for your chickens, and avoid exposing them to extreme weather conditions.
Preventing Chicken Diarrhea
Preventing chicken diarrhea is always better than treating it. Here are some tips to help prevent the disease:
- Practice Good Biosecurity: Keep your chicken coop clean and free from pests such as rodents and flies that can spread disease.
- Provide Clean Water and Feed: Make sure your chickens have access to clean water and feed that is free from mold and bacteria.
- Vaccinate Your Chickens: Vaccines are available for many viral and bacterial diseases that can cause diarrhea in chickens.
- Avoid Overcrowding: Overcrowding can lead to stress and disease in chickens, so make sure your birds have plenty of space to move around.