{Backyard Chickens} yes, you can sex day-old chicks!

This one had the feathers of a pullet. Sure enough, she’s growing up to be a very nice girl!

If you’ve raised baby chicks or you see some in your future, one of the questions you’ll ask is, “How can you tell the males from the females?” It is commonly thought that you have to wait until they grow bigger and the roosters start acting like they own the place (to put it nicely) to definitively tell the difference. If you have sex-linked chicks of course, you know by the feather color at birth. Most of the time your chicks won’t be sex-linked though, so it’s helpful to know what kind are what. My chicks hatched 10 weeks ago. Ever the impatient one, the idea of waiting a few months to know the difference wasn’t working well for me. I did some web searches and came up with the answer. Yes, you can tell on Day One after hatching if your chicks are going to be roosters or hens – you take a look at their wing feathers. I did it, made notes, sat back and waited. I can now tell by the behavior of my 10-week old chickens which ones are cockerels (young males) and which are pullets (young females). Every single one of them turned out exactly as I expected, based on their feather length at birth.

Poultry experts would probably stop me here and tell me that feather sexing isn’t reliable because not all chickens have the genes that produce wing feathers that can determine their sex. I guess I got lucky, that is all I can say. I have 16 of your average chicken mutts.

How to Sex Chicks on Days 1 – 3 After Hatching

To tell the difference between and cockerel and a pullet, you’ll need to look at the chick’s wing feathers. This is done on Days 1, 2 or 3 after hatching. There are two different sets of wing feathers on each chick: the “Primary” wing feathers and the “Covert” wing feathers. When you hold the chick in one hand and use the other hand to spread the wing out, you’ll be able to see the feathers. Cockerel wing feathers are all the same length. Pullet wing feathers are two different lengths.

Wing feathers all the same length = Male

Wing feathers two different lengths = Female

It’s that easy. On some cockerels the wing feathers are slightly different lengths. You may look at it and note that they are not exactly the same, perhaps 1/8″ or 1/16″ off, and you may wonder if that one is a pullet. No, it is not. The pullet feathers are dramatically different in length. There is 1/4″ or more difference. When you see it, you will know.

The same pullet as above, at 10 weeks of age. She is such a nice girl!

If you would like to know more about feather sexing, I encourage you to search the internet – there are a lot of resources out there. Here are a few that I came across that were memorable, if not educational.

The Animal Science department at the University of Missouri has a fantastic slide show explaining why the feathers are different lengths

Here’s a video showing how they do it in the big hatcheries. This short clip made an impression on me – I am happy to say that my chickens haven’t been through these processes! Small, local egg and meat farmers don’t treat their chicks this way.

Mother Earth News has a nice piece about sexing

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Interested in learning more about backyard chickens?
Here’s additional FSC pieces on the subject
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Categories: Animals- Raising, chickens

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11 Comments on “{Backyard Chickens} yes, you can sex day-old chicks!”

  1. June 7, 2012 at 8:04 am #

    Great info!

    • Jillian
      June 9, 2012 at 7:07 am #

      Thanks!

  2. June 7, 2012 at 10:54 am #

    Really?! I wish I had known this a month ago! I plan to try this experiment myself next time I get a chance. :)

    • Jillian
      June 9, 2012 at 7:09 am #

      I know Emmy! I wish I had known it would work for me when I did it – I could have handed off my roosters to a good home instead of raising them myself. Now I know and so do you!

  3. Ona
    June 8, 2012 at 8:42 am #

    What a great tip! This is one of the many reasons that this website is such a wealth of information. I’ve been working on my hubby for about a year now, he doesn’t want chickens, but I’m hoping in the next few years to come to an agreement and these tips really do help.

    • Jillian
      June 9, 2012 at 7:10 am #

      Thanks Ona. I hope you get your chickens someday! Once he tastes the eggs he won’t turn back :)

  4. June 12, 2012 at 9:48 am #

    I have 2 1/2 week old chicks does the same method of checking sex of chicks remain the same?

  5. July 29, 2013 at 4:30 am #

    does anyone know where i can find a enlarged photo showing the difference in feather length between male and female chickens. that would be appreciated

  6. August 5, 2013 at 12:24 pm #

    Hello to every one, for the reason that I am actually keen of reading this website’s post to be updated daily. It consists of fastidious information.

Trackbacks/Pingbacks

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    […] shows us it is possible to sex day-old chicks like the big hatcheries do! Finally, I try to help CSA members with their spring greens & […]

  2. {FSC Time Machine} Backyard Chickens Part 1 | FROM SCRATCH CLUB - March 23, 2013

    […] Sexing Day Old Chicks +++ […]

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