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What is Kienyeji chicken?

There are Kari improved, Kuroiler, Kenbro and Rainbow Roaster.
The term ‘improved Kienyeji’ generally refers to an indigenous chicken breed obtained from natural cross-breeding between two superior breeds of Kienyeji chickens or a Kienyeji chicken and an exotic breed.

Kari improved is a pure Kienyeji bird bred from a range of indigenous chickens in Kenya with known superior characteristics like growth rate and egg production.

How long does it take for Kienyeji chicken to start laying eggs?

 On average, pullets, or juvenile hens, start laying eggs at about 5 months of age, depending on the breed. Larger, heavier birds like Kuroiler, Kari improved and Rainbow will lay on the later side whereas lighter, smaller breeds like kenbro will start laying sooner.

Is Kienyeji chicken farming profitable in Kenya?

Poultry farming in Kenya is becoming one of the most profitable businesses in Kenya due to demand of kienyeji chicken by big hotels and restaurants. … The improved kienyeji chicken – this type of chicken is reared for meat production in Kenya. These chickens grow faster and are usually ready for market after approximately 3 months.

How long does it take for Kienyeji chicken to mature?

The entire development and egg laying process takes 25 to 26 hours per egg. Once an egg has been laid, it will take approximately 21 days after incubation begins to hatch into a fully developed chick.

What is improved Kienyeji chicken?

The term ‘improved Kienyeji‘ generally refers to an indigenous chicken breed obtained from natural cross-breeding between two superior breeds of Kienyeji chickens or a Kienyeji chicken and an exotic breed

How much does it cost to start a poultry farm?

Cost are varied from city to city and depends on your facility also. Minimum ksh 20,000  for 500 chickens. investment for a thousand chicks is around ksh 50,000 – 100,000. poultry farm requires one square feet for one chick.

At what age do chickens stop laying eggs?

Chickens usually don’t simply “stop” laying eggs when they get to a certain age, but they will lay fewer as they get older. That said, most laying breeds will lay more or less productively in backyard terms for two or three years.

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Chicken diets can be calculated by designing a so-called Pearson

The various feedstuffs are put into two groups: high protein and low protein.
Within the group they can replace each other, so the price will decide
which one will be used more. Then the averages for each group can be
calculated according to the amounts of each ingredient used.

Suppose maize is cheaper and more plentiful than sorghum, and soy-
bean meal is cheaper than fish meal. Including all 4 ingredients makes
the feed more reliable, as the ingredients complement each other. 5 – 8
ingredients in a mixed feed may be optimal.

In our example, you can make a cereal mix with two parts of maize
(8% crude protein) and one part of sorghum (10% crude protein) from
one group, to be combined with a protein-rich mix of 3 parts of soy
bean meal (44% crude protein) and one part of fish meal (65% crude

The weighted means of the cereals and the protein feeds must be put
on the left-hand side of the Pearson square, in order to find which
combination of the two will result in the required 16.5% of protein.

Pearson square

The protein level required in the complete diet is placed in the middle
of the square and the percentage of protein content in each food on the
two left-hand corners of the square. To work out the proportion of
each foodstuff that is required, subtract the small number from the
larger one diagonally across the square, as shown below.

The resulting figures on the right-hand side of the square indicate the
proportion of each mixture needed to achieve a diet containing 16.5%
protein. In this case, this requires a ratio of 32.8 parts of the cereal mix
to 7.8 parts of the protein feeds (3 soybean meal : 1 fishmeal).

Expressed in percentages of the total mixture, the diet will be made up
as follows:

For the protein mix, the same procedure is used to divide the 19 % in
the ratio 1: 3

With this combination of the 4 feed ingredients, we can now calculate
whether this diet will meet the other nutrient requirements as well: see
table below

The energy content of 3,205 kcal/kg exceeds the minimum of 2,800,
the protein level is good and the crude fibre does not exceed 7%. Only
the percentage of calcium is far to low for layers. It should be between
2.5 and 3.5 %. You have to add some limestone and bone-meal to sup-
ply about 4.0 g calcium per day and to meet the calcium and phospho-
rus requirements (in a ratio of 6 :1). Alternatively, grit or broken shells
can be given separately from the feed, for voluntary intake.

The proportion of the different ingredients in the ration is more impor-
tant than the quantity you supply. Poultry will not eat any more once
their energy requirement has been met.

Incoming search terms:

Disease Age Vaccine Name Method of administartionEstimate price 
Marek’s 1 dayMarek subcutaneously injection ksh 3500/1000doses
 Newcastle/infectious bronchitis 7th day NCD+IB Drinking waterksh 500/1000 doses
 Bursal disease(Gumboro) 14th Bursal disease(Gumboro) Drinking water ksh 650/1000 doses
 Bursal disease(Gumboro) 21st Bursal disease(Gumboro) Drinking water
Newcastle/infectious bronchitis 35th NCD+IB Drinking wate ksh 500/1000 doses
 fowl typhoid 56th fowl typhoid intramascular injection ksh 400/1000 doses
 fowl pox 70th fowl pox wing stab ksh 700/1000 doses

Other common poultry diseases

 Disease Drug Method of administration  Estimate price 
 Coccidiosis Amprolium Water ksh 2500/kg
 Worms piperazine Water ksh 2000/kg

Disease symptoms 

  • Marek disease

Marek’s disease occurs as the nervous form, appearing as a progressive paralysis of one or more of the limbs. The birds are unable to stand, become paralysed, appear uncoordinated and slowly waste away from lack of food and water. In most cases the paralysis comes on quickly. In some cases the eyes may be affected, resulting in blindness.

  • Gumboro

The feathers around the vent are usually stained with faeces containing plenty of urates.Also, diarrhoea, anorexia, depression, ruffled feathers, especially in the region of the head and the neck are present.

  • Coccidiosis

Infected birds or chicks become droopy, look unthrifty, and usually have ruffled feathers, pale beaks and shanks.  Caecal coccidiosis has bloody droppings.  Mortality may be high and sudden

  • Fowl chorela

There is yellowish colouration on birds’ droppings, which is followed by yellowish or greenish diarrhoea.  Infected birds become droopy, feverish and sleepy. The birds also sit with the head down or turned backwards or rested in feathers about the wing.

  • Fowl typhoid

Ruffled feathers, paleness of the head drooping comb, loss of appetite and pale orange coloured diarrhoea.

  • New Castle Disease

In chicks, gasping coughing and sneezing is observed and ater nervous systems.  Birds may be seen sitting on their back hock joints; others may walk backwards; or in circles; or hind their head between their legs.

  • Fowl Pox

It is characterized by typical pox lesions in the form of wart-like scabs on the face, comb and wattles.

NB. The above prices only serve as estimates and help in planning. Consult with your local vet in case of any of the above symtoms and before administering any drug to you flock




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  1. Can I rear Kienyeji for commercial purpose

Farmers have been calling Ecochicks Poultry with similar inquires and this is my take.  Yes but having considered the following. There are only 2 main ventures in poultry rearing, eggs or meat.

We mainly have 3 types of chicken for that. Layers, Broilers and Kienyeji.

  • Kienyeji feeds more than layers
  • Kienyeji best for scavenging
  • Layers have best laying rate and longest laying period
  • broilers achieve market value faster than Kienyeji
  • The market for eggs is bigger than meat
  • The market for Kienyeji meat is growing very fast
  • Kienyeji eggs fetches higher prices

My opinion Improved Kienyeji is more suitable for meat at commercial production scale.

    2. Do i need cages in poultry rearing.

  • Well, that depends on the no of birds you have. Cages are best for layers farming but also used in broiler production
  • Return on Investment(ROI) is the major considerations in cage system.
  • Cages  have alot of benefits but also expensive when calculated cost per bird
  • My opinion is to use deep litter system for less than 300 birds and consider cages for large  number of birds

3. Which venture is more profitable eggs or meat 

  • This also depends with the resources available. In the long run egg production is more profitable and in the short run meat production is more profitable
  • Consider meat producing chicken acheiving the market value in less tha 3 months and layers starting to lay after 5-6 months.

4. Which venture is easier to do eggs or meat 

  • Also depends with resources available. Meat production at commercial levels is easier to do as it does not involve tedious vaccination and disease control. Also the duration to its maturity is shorter.
  • However the cage system simplifies the layers production

5 .Which venture involves less risk

  • Kienyeji production has  less  risks compared to layers or broilers. The improved breeds are resistant to diseases and can be done for meat and eggs.

6 .Which is vaccination program  for layers 

  • 1st       day Marek(should be done at the hatchery)
  • 7th       day New Castle
  • 14th      day Bursal disease(Gumboro) in drinking water
  • 21st     day Bursal disease(Gumboro) in drinking water
  • 35th     New castle in drinking water
  • 56th     fowl typhoid intramascular
  • 70th     fowl pox wing stab
  • 112th   New castle in drinking water

7 .How can I hatch my own layers or broilers

  • Start by rearing your  breeding stock. This can be done by buying ex-layers and respective cocks and produce fertile eggs.
  • Obtain an egg incubator and hatch your own chicks
  • Get the eggs incubators here

8. Which is cheaper, buying feeds or making own feeds

  • Feeds constitute 80% of the total costs. Making your feeds would definitely lower these costs especially when raw materials are available and or  purchased in bulk
  • Also get the formula for making feeds

8. What do i need to make own feeds

  • Feed making machine
  • Raw materials
  • Feed formula
  • Get the feed making machine here

9.How much do i need to start layers, broilers or kienyeji production

The above is only an opinion and the decision of the best venture lies with the farmer.




Incoming search terms:




NCDAllDepression, poor appetite, coughing and difficult breathing, diarrhea, nervous signs, twisted neck and death in large numbers in short time


Vaccination  antibiotic to control secondary infections





All but


at point

of lay


Spreading eruption on comb, wattle nose & other featherless parts, poor appetite/egg production, depress ion. Deaths may result in chicks


Vaccination antibiotic  to control secondary infections





AllChicks /growers: Depression, huddling, poor appetite, coughing, gasping/difficult breathing, death. Adult: Coughing/noisy breathing, few eggs laid/with soft shells


Vaccination Antibiotics to control secondary infections





AllDepression, coughing, discharge from eyes nostrils , swollen face, poor sight and feeding, nervous signs and diarrhea


Destroy sick birds




2-6 wkDepression, poor appetite, un-steady walk, pecking at vent and diarrhoea


Control by vaccination



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Why poultry farmers fail in Kenya

  1. No feasibility study
    In most cases, farmers make little or no effort to carry out a feasibility study. The most important of these are the suppliers of day-old chickens, point-of-lay hens, feed, medicine, disinfectants and vaccines,cost of inputs and profit projection . Also often missing are veterinary services and sufficiency of funds
  2. Inadequate housing
    To become commercially viable and sustainable, an emerging farmer must provide the chickens with the correct type of housing for the production system practised. Many enterprises failed to do so.
  3. Feed
    Broilers have been specifically bred to grow fast (38g to 2,5kg in six weeks) but to reach this, the chickens must be provided with the correct feed. Because feed cost is high (about 70% of production cost), some farmers mixed good quality feed with lower grade feed, resulting in poor growth performance. In addition, some projects are up to 100km from the nearest feed company. Many farmers relies on public transport, which increased the price of a 50kg bag of feed significantly
  4. Marketing
    This is one of the greatest problems. Some fail to honor their contracts while others can not handle their finances. Most do not put money back into the business. Because of these problems, many end up selling live birds – an unreliable market as farmers often have to keep chickens for up to eight weeks before they are sold. During this time, they consume the profit.Some farmers doing layers sell them in their active laying period  incurring losses
  5. Training
    Most farmers embark on poultry farming without  receive training, a fact evident in the way they rear the birds.

To address these issues Ecochicks has compiled a comprehensive guide to poultry training. Get it here Chicken farming comprehensive guide

To address the issue of planning and acquisation of day old chicks, you can buy eggs incubator and have a sustainable chick source


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kenbro chicken breed in Kenya

Poultry general management and feeding

Feeding Birds need feeds that give the necessary elements for body functions, including growth, and egg and meat production. This is a requirement that the free-range production system does not meet adequately. To attain a balanced diet, itRead More…