Isa Brown Chicken Breed Guide: Size, Variety, Eggs, Care & Pictures

Here, you can find a brief info about Isa brown chicken. Many farmers love to grow chickens, either for meat or eggs. So, we can say it is a dual-purpose chicken.

Farmers use this bird especially for a bulk amount for egg production. The massive egg-laying capacity makes this fowl among the top-most egg-laying birds.

Also, Isa brown chickens are very sweet and quiet mannered. These breeds love to spend time with human families. The beautiful hens of this breed are very attractive.

In this content, I have mentioned details regarding Isa brown chicken’s history, temperament, egg production, behavior, characteristics, color, size, problems, and benefits along with raising Isa Brown chickens.

The article can help you and clarify your doubts regarding Isa Brown Chickens. This is a complete breed guide of Isa Brown birds, along with the information required to raise them in the best and comfortable zone of farming.

What is Isa Brown Chicken?

isa brown chicken standing
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In this poultry world, a chicken breed is introduced as Isa brown chickens. These fowls are very popular among farmers for their wonderful egg-laying, along with a friendly personality.

The Isa Brown hens are so productive and known for remarkable egg-laying hens. This breed is useful among others, and these factors can’t be denied as they are friendly, rendering huge egg output. These breeds are as good as other breeds among chickens.

History of Isa Brown Chickens

This breed is developed in the laboratory in earlier days. This foul is designed in France in the year of 1978, in a laboratory named Institute de Sélection Animale. 

It is a mystery that many breeds are also mixed with this kind. These birds are designed with a closely guarded trade secret, but there are rumors that the breeds are named Rhode Island Red and white breeds having a contribution from White Leghorns.

Also Read:  Ameraucana Chicken Breed Guide: Color Chart, Eggs, Size

Isa Brown chicken has 4-5 years lifespan which is an average one.

Recognized Continental Breeds and Varieties of Isa Brown Chickens

This chicken breed was developed in France, which is about 2 to 3 kg. In 1997, this breed became Hubbard ISA after the collaboration of ISA with Merck and CO.

The genetic makeup of this breed is closely guarded for trade secrets. The continental breeds such as Rhode Island red and white breeds were born from White leghorns.

There is also a mystery about the involvement of other breeds.

Egg production

This is a vital reason for the development of this breed. The Isa Brown hens are very suitable for egg-laying.

These hens can exactly serve your purpose by laying beautiful medium-sized eggs in a huge quantity per year. 

An Isa Brown hen can lay up to 300 and more brown color eggs on average annually. Do you know lots of chickens lay colored eggs? If not, then read our guide on chickens that lay colored eggs.


Isa Brown Chickens are benevolent! Isa Brown chickens are recognized to be approachable, passive, huggable, and silent and domestic. These brown hens are very gentle birds of the excessive Danes of the chicken world. 

Also, Isa Brown chickens endure imprisonment well, so you don’t have to take concern about erratic Isa. The Isa Brown enjoys getting on your shoulder for fun.

Color, Size, Appearance, Characteristics of Isa Brown Chicken

Isa Brown Chicken Inside Fencing
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The Isa Brown chickens color is based upon the hens and roosters. Isa Brown hens are brownish-red color, whereas the roosters are white.


The size of the Isa Brown roosters is large as compared to brown hens. The feathers of roosters are a little long, but hens have small feathers.

The standard weights of Isa Brown roosters are about 11 pounds and hens are about 8.5 pounds.  


If we take a quick look, you can find that these Isa Brown birds are very fond of humans. Their softy feathers are very adorable, and they are good for children.

The appearance of an Isa Brown bird can be written as they are medium-sized birds possessing a rectangular body shape with a slight dip to the back.

Their tail is available with feathers in an upward direction. The range of their eye is from yellow to a bay red color.


  1. These Isa Brown pullets have their demand in the market.
  2. The massive egg production is admirable for this breed. Isa Brown chicken possesses a very friendly nature.
  3. They are particularly good with toddlers as well.
  4. The farmers can have these for beneficial usage.
  5. These fowls live in almost all extreme weather conditions.
Also Read:  Top 15 Best Friendliest Chicken Breeds (Pets, Eggs, Show)


These fowl’s behavior is very cold hardy. It can live happily in winters.

We can consider the ISA Brown Chickens as the best breed for the farmers who are willing to keep chickens for their source of income. The Isa chickens are very amiable and keep relation with humans very well. 

The birds of this breed are also a prodigious selection for the family who needs a pet chicken. The birds are fond of playing with the kids at home. We can rate this breed as the best family-friendly birds.

Benefits of Raising Isa Brown Chickens

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1. The best breed to grow in your backyard

All my farmer friends are looking forward to keeping the Isa Browns as their productive breed; the good news is for you. This breed is friendly and a backyard lover species. The brown chickens are a good option for food and help in your earnings. 

2. Isa Brown chickens adore human company

As we mentioned in the sub-title, this species is fond of human company. Their lovely feathers can give a smooth and lovable experience.

This bird is also a mood change as they love to cuddle within your hands. Isa Brown chicks are also a center of attraction for the kids because of their cuteness.

3. One of the best chicken massive egg productions 

These birds know how to lay more eggs. A farmer can keep up his or her earnings by selling their eggs.

The condition of the environment, proper diet, and proper place of living can surely help to lay eggs in more numbers. This breed is an excellent choice if anyone will create a farm for selling eggs.

5. The prettiness of Isa Brown hens draws attention

Anyone can enjoy the scenario during the afternoon when their lovely feathers shine with the dim and dusty sunlight. This species can manage with other dominant breeds living in your courtyard. You can count it as a measuring point.

Problems in Raising Isa Brown Chickens

1. Very hard to keep them in a coop

It is very difficult for anyone to keep the Isa Brown hens in a coop or birdcage. They only live in very spacious areas like the courtyard. You cannot keep these fowls caged for a long period. They can’t take it easy.

Also, this breed’s hens and roosters always stay in the flock so that a large space for it requires them. Anyone can’t keep them in a compact area because it won’t bring any benefits except disappointment.

Also Read:  10 Types of Black Chickens (Small, Medium and Large Breeds)

2. Possess low immunity towards diseases

This breed can’t resist any serious diseases or bacterial diseases or flue. The brown cheeks are very low, immune to any diseases.

When it comes to brown hens and roosters, they are also very weak towards any diseases.

That is the reason for the early deaths of these birds. Along with bacterial diseases, they also suffer from a kidney disease, which is also a demerit. 

Care Guide Isa Brown Chickens

Isa Brown Hen in Freeze Winter Snow
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1. Chickens require care

These kinds of fowls require a certain amount of care. This can surely help them in their growth and also keep them strong and healthy. Perfect caring can boost their egg-laying capacity.

The maintenance cost of this bird is very low. So, they just require considerable caring, but not too much.

2. Grooming of Isa Brown chickens

You can groom these groups of birds with ease because of their short and non-profuse plumage.

You need to check them regularly to keep them safe from parasites like lice and mites as they are very feathery and love to mess. If you don’t want any kind of outbreak in your flock, you need to check them regularly.

3. Diet

As they are the best egg layers, they also require a healthy and sufficient diet. You need to take care of your girls with a controlled food diet.

A sufficient diet is necessary for your hens as they are busy converting the protein from their feed into the production of eggs.

To boost your hens’ capacity, you need to offer your hens with some mealworms or a small amount of live culture yogurt once or twice a week. You can read our complete guide on chicken scratch. This will fill-up your chickens nutrition deficiency.

4. Housing

To construct a perfect home for Isa Brown chickens, it requires farmers to build a specious nesting box which is in a private and draft-free area. This chicken nesting box can help your hens to engage in her business of egg-laying comfortably.


Those who wish to buy Isa Brown chickens can get from a domain breeder. As mentioned earlier, this fowl breed is very fond of egg-laying.

Isa Brown Chicken egg-laying capacity makes this breed an incredibly special attraction for farmers. It is quite easy to find Isa Brown chickens near me for sale or buy.

There are so many options available for those who will sell Isa Brown Chicken. Many farming companies keep Isa Brown cheeks for sale. This breed is the best beneficial option for farmers in terms of egg production.

Isa Brown Chicken Breed Guide: Size, Variety, Eggs, Care & Pictures
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