ISA Brown
ChickenAlso called ISA
A type of Sex Link.
Same type of bird as Golden Comet, Red Star (sex Link), Cinnamon Queen and Hy-Line Brown — all red sex-links, sold under different names by different hatcheries.
The ISA Brown is a commercial sex-link hybrid developed in France in the 1970s, and it lays a large share of the world's brown eggs. Hens start early and lay heavily — 300 or more in a strong first year — on noticeably less feed than a heritage bird of the same size. They are docile, untroubled by confinement, and forgiving of a first-time keeper's mistakes. The trade-off is longevity: bred for a short intense career, they commonly slow down or run into reproductive trouble after two or three years, so they suit a production flock better than a long-lived one.
Weight
How to spot it
- Comb
Single- Look for
- Hard to tell from other commercial brown sex-links by eye; provenance is the reliable answer, not markings
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