10 Deadly Chicken Diseases in Kenya & their Treatment

Today we’re going to show you the most common and deadly chicken diseases in Kenya and their treatment. You can visit our previous post about 10 ways of preventing infectious poultry diseases to learn more about how you can prevent most of these diseases.

Top 10 Chicken Diseases in Kenya and their Treatment

1. Newcastle Disease.

This disease affects chickens at any age and when it affects your brood. Though mature birds can withstand these diseases due to strong immunity it can practically wipe out almost 90% of your flock.

Newcastle disease is mainly caused by a parasitic parasite called paramyxoviridae and is transmitted through the air and physical contact.


  • Coughing and breathing with difficulty.
  • Sticky saliva comes from the mouth and nostrils.
  • Greenish and yellowish diarrhea.
  • Drowsiness and wings dropping.
  • After 2 days the chickens flex their neck.
  • Chickens lay weak eggs.


Newcastle disease has no cure.


  • Vaccinate, your chickens every three months, and four times a year.

Read also, Poultry Farming in Kenya – 2020 Update.

2. Coccidiosis

Coccidiosis is caused by the protozoan parasite which attaches itself to the intestinal lining of the chicken and hence damaging the gut tissue thus causing bleeding. This is evidence in chicken droppings.

The disease is commonly and easily spread through shoes, contaminated water, chicken dropping, and lastly food.


  • Blood or mucus in chicken droppings.
  • Ruffled feathers.
  • Weak, paleness, and lethargy.
  • Loss of appetite.
  • Inconsistent egg-laying or not at all.
  • Pale comb and skin.
  • Weight loss.


This disease is treated with drugs like;

  1. AMPROCOX WS (100gms) which contains Amprolium
  2. Use ESB for 3-4 days. ESB is an antibiotic belonging to the group of sulfonamides.


  • It is best to keep the chicken house/yard clean, fresh, and dry at all times.
  • Avoid at all costs throwing food to the ground.
  • Separate sick chickens from adults.
  • Use preventive medicine to reduce the risk of chickens getting infected.
  • The recommended drug is called coccidiostat.
  • Separate the young chicks from the older group.

3. Avian Influenza.

Previously known informally as bird flu, Avian influenza is a very dangerous disease adapted to birds but can be transmitted and even cause death to human beings.

Avian flu is caused by a virus called the Orthomyxo virus. This disease is transmitted through contact between birds and birds and between birds and humans.


The symptoms of this type of flu begin to appear within 3-7 days after the chicken is infected. The symptoms may vary depending on the age of the bird.

  •  Difficult or labored breathing.
  • Sneezing and coughing.
  • Tears from the eyes.
  • Swelling of the head, eyelids, comb, wattles, and hocks.
  • Soft-shelled or misshapen eggs.
  • Purple discoloration of the wattles, combs, and legs.


This disease has no cure.


To prevent the spread of the disease;

  1. Report immediately to the nearest veterinarian if you are experiencing symptoms of the disease.
  2. Stop transporting livestock/birds without a doctor’s permission.
  3. Restrict visitors from visiting your poultry house.
  4. Stop transferring poultry manure to the farm.
  5. Burn out or smoke down manure from an infected poultry-yard.

4. Infective Bursal Disease (Gumburo Disease)

This disease is caused by the infectious bursal disease virus and mainly targets young chickens at 3 to 6 weeks of age.


  • A sharp drop in feed and water consumption.
  • Ruffled feathers.
  • Diarrhea with soiled vent feathers
  • Unenergetic chicks with unsteady gait or sitting in a hunched position
  • Picking at their own vent and, lastly sleeping with beak touching the floor.


  • Good nutrition.
  • Practice good hygiene.
  • Lastly,  vaccinate chicks at 3 weeks of age using a live vaccine.

5. Fowl typhoid

Fowl typhoid occurs, especially in chickens. It is caused by the bacterium Salmonella Gallinarum and is characterized by the following symptoms.

marked by fever, loss of appetite, thirst, anemic pallor of the skin of the head, and prostration.


  • Loss of appetite.
  • Fever.
  • Exhaustion or fatigue.
  • Deaths amount to 50%.
  • The pigmentation of the head’s skin turns yellow.
  • Internal organs such as the kidney, spleen, and, pancreas swell.
  • The tissue glows in bright light.


Use antibiotics such as furazolidone to treat this disease.


  • Vaccinate your chickens as per the schedule.
  • Perform routine hygiene practice of the chicken house, feeding equipment, and watering appropriately.

6. Chicken Diseases in Kenya: Tick, Fleas, and Lice

Symptoms of infestation

  • Increased squawking.
  • Blood volume drops in the body.
  • The skin membrane in the eyelids dries.
  • The skin of the upper body becomes thick.

Prevention and Treatment

  • Throw or burn the leftovers of unhatched eggs.
  • Clean the chicken house regularly and spray.

There are some medicines that are recommended for spraying in the poultry yard. An example of such medicine is Sevin.

7. Nutritional and Metabolic Disorders

The symptoms for these types of illnesses are usually dependent on the type of nutrients that are deficient in the body.

  • For example, rickets is caused by a deficiency in Vitamin D3, calcium, and phosphorus
  • Bloody ulcers are caused by the lack of Vitamin K.
  • Muscular dystrophy, encephalomalacia, and exudative diathesis are caused by Vitamin E deficiency.

Malnutrition is caused in one way or another by dietary deficiencies in iron and iron, phosphorus, and calcium.

8. Helminthiasis

Also known as worm infection, Helminthiasis, is any macroparasitic disease of humans, birds, and other animals in which a part of the body is infected with parasitic worms, known as helminths.

There are three types of worms which are Flatworms, Cord worms, and roundworms(Nematodes) See full list. These types of infections are more common in outdoor flocks.


Well, Helminthiasis does not really cause clinical signs. However, a reliable diagnosis of the infecting species can be done by the morphology of the adult worms.

Although this may be true, the detection of egg in the feces can only prove an infection but does not help in identifying or differentiating the species.


furnishings, pavilions, and landscapes.

  • Separate young chicks from older ones.
  • Change the floor mulch to remove worms breeding.
  • Change the floor mulch once every three months.


To treat worm infections effectively, use de-wormers that are recommended by specialists especially those that kill all kinds of worms such as Anthelmintic.

Also, ensure that you de-worm your chickens after every three months.

9. Chickenpox

Chickenpox disease often both attacks young and old chickens. This contagious disease is caused by the varicella-zoster virus (VZV).

This disease is transmitted through people with chickenpox to others who have never had the disease or never been vaccinated.

It is also transmitted by mosquitoes and other parasitic insects that can become infected when they bite a sick chicken and then bite an uninfected chicken.


  • Severe fever.
  • Loss of appetite.
  • Weight loss.
  • The occurrence of rashes in various areas with no feathers.
  • After 7 to 14 days the rash breaks and leaves sores. The rash often causes eye-rolling.
  • Deaths can occur in young chickens.
  • To remove mucus from the nose.


This disease has no cure since it is transmitted through a virus.

However, it is advisable to give the chicken an antibiotic drug to prevent the treatment of opportunistic infections that can attack the chicken through the sores.


  1. Chickens are prevented by a vaccine.
  2. The Chickens should be vaccinated at the age of one day and vaccinated every 2 to 3 months.
  3. Isolate chickens that are sick and old.
  4. Avoid ponds around the house to avoid mosquito breeding.
  5. To slow down if the disease has caught chickens, treat wounds or rashes with warm wool (Iodine), and later oily petroleum (Petroleum jelly) or salmon. to see food and water.

To sum up our list of deadly chicken diseases in Kenya and their treatment, we are going look at one final disease and that is:

10. Chicken Diseases in Kenya: Avian Tuberculosis (TB).

Avian tuberculosis is caused by a known as Mycobacterium Avium and can affect a large number of birds and animals too.

The symptoms for this kind of disease include;

  • Tiredness.
  • Diarrhea
  • Dull and ruffled plumage.
  • The dropping of wings (with bone or joint lesions) among others

The only way to prevent this type of disease s through thorough cleanness and practice of good hygiene for chicken feeding utensils, house, and the surrounding environment

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