According to Kentucky Extension, how long do new chicks need a heat source?

At least six weeks. Chicks cannot keep themselves warm at first.

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  1. About one week
  2. About two weeks
  3. At least six weeks ✔

Why: Kentucky Extension says new chicks need a heat source, such as a lamp, for at least six weeks. Cornell says chicks cannot keep their own body temperature at first. That is work before your hens ever lay.

Huh, didn't know that: Cornell says chicks huddled under the lamp are too cold, and chicks moving away from it are too hot.

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References

Answer: At least six weeks. Kentucky Extension says new chicks need a heat source, such as a lamp, for at least six weeks. Cornell says chicks cannot keep their own body temperature at first. That is work before your hens ever lay.

  1. University of Kentucky: 10 backyard chicken basics exclusives.mgcafe.uky.edu/2023/anr/10-backyard-chicken-basics
    you'll need to provide new chicks with a heat source, such as a lamp, for at least six weeks.
    Checked 2026-10-11.
  2. Cornell Cooperative Extension Warren County: Backyard Chickens warren.cce.cornell.edu/agriculture/backyard-chickens
    If the chicks huddle under the lamp, that means that they are too cold
    Checked 2026-10-11.
  3. Mississippi State Extension: Homesteading, Backyard Chickens extension.msstate.edu/blogs/extension-for-real-life/homesteading-backyard-chickens
    Chicks require a heat source for the first six to eight weeks
    Checked 2026-10-11.

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