ISA Brown hens are a popular and widely kept breed of laying chickens, especially known for their exceptional egg production and friendly temperament. Here’s a detailed description:
ISA Brown Hen Overview:
Breed Type: Hybrid (not a true heritage breed)
Purpose: Egg-laying
Origin: Developed in France in the 1970s by the Institut de Sélection Animale (hence “ISA”)
Physical Characteristics:
Color: Rich reddish-brown feathers with white under-feathers
Comb: Single, red, upright comb
Size: Medium-sized, around 4–5 lbs (1.8–2.3 kg)
Legs: Yellow, clean-legged (no feathers)
Egg Production:
Eggs per Year: 300–320 eggs
Egg Color: Brown
Laying Age: Starts laying at around 18–22 weeks
Temperament:
Disposition: Friendly, docile, and easy to handle
Social: Gets along well with other chickens and humans
Good for beginners: Yes, ideal for backyard flocks
Other Traits:
Hardiness: Generally hardy, but best suited for temperate climates
Lifespan: Around 5–7 years (though peak laying is usually in the first 2–3 years)
Feed Conversion: Efficient eaters with high productivity
ISA Browns are ideal for families, hobby farmers, and egg-laying operations due to their reliable egg output and calm demeanor.