Mixing Chicks

Chipmunk Chicks

Free Ranging
May 24, 2022
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New Jersey, USA
Hiya, BYC. I have seen information on both sides of the spectrum - "One must NEVER mix different ages of chicks" / "You can absolutely mix ages of chicks," ...provided they are not too far apart in age, watch for bullying, have enough space, multiple feeders and waterers etc etc etc.

My chicks are 26 and 11 days old today (almost 4 weeks and almost 2 weeks, hatched 15 days apart). I brought the little ones outside for the first time today in a baby gate corral, which was also their first time "meeting" the bigger ones. Up to this point, they had just been in nearby brooders where they could hear each other, and somewhat see each other past the cardboard that's wrapped about their dog crates. Seeing as they are all chicks, (not in different life stages), and really only 15 days apart (which, while admittedly is a bigger difference now, will matter less when they are 6 months and 5.5 months), and my older chicks are really so docile (Australorps), plus based on how I'm getting to know them from watching them all the time, and how well the first meeting outside went today, I really just felt like it would not be a problem to mix them straight away. It should be simpler for me to maintain one big brooder for the rest of their time indoors (in my dining room lol), and more importantly, I thought it would be easier for them to make the incorporation sooner, rather than wait till the first cohort is in the coop, and then introduce the new cohort, also in the coop, two weeks later... I figure just get it over with sooner rather than later, and that way they've already had a chance to work out all their pecking order stuff together BEFORE all moving into the coop at once. i.e. 5 and 7 weeks or 6 and 8 weeks ish.

One positive clue was when they were outside for a few minutes and I came to check, the little ones had swapped places and were inside the carrier, along with one of my bigger pullets who was already playing mama hen. :) When I went to finally bring them in, all but one had piled into the carrier together on their own. Once they came inside, she actually went all broody with them and was snuggling up with the littles in the warm corner of the brooder. It was so adorable! But later on, I noticed the littles were all piled up but in the cooler corner, and I wondered if the bigs had pushed them out of the warm spot, which would not be good, because I do know they have different needs for warmth at this stage. The bigs could probably almost have the heat lamp off (except we've been putting the AC on) where the littles for sure still need it.

So all that to say, I'm keeping an eye on things. The littles are tough, and the bigs are so mild, so I'm not super worried about a temperament mismatch. I'm hopeful it might be good to help calm some of the bossiness from a couple of the littles, actually. But I realize that they are still animals, and anything can happen.

I guess my question is whether this seems like it could be an okay situation going forward, and just play it by ear? Or better to consider it a successful trial run, and put the littles back into their own brooder again tonight? And as I do incorporate them hopefully along some kind of earlier (pre-coop side of the) timeline, is there anything else specifically I need to be watching out for that might be red flags that it's too soon or not going well? I really just want to do what's best for my flock and learn how to be responsive to their needs.

[For reference, we are talking about five 4-week Australorps and six 2-week Welsummers, the bigger brooder being a nice big 48" long (10sqft) metal dog crate, with a few perches at multiple heights, 2x food and water, pine flake and cardboard around the borders. Summer in NJ for coop transition. My other looming concern is how long this size of crate brooder will comfortably hold eleven(!) chickens, and I'm so grateful the weather is nice, because brooder space will probably be the main driver to getting them outside into the coop. I thought I could possibly also somehow attach another smaller crate onto the end, in order to add another 3 sqft, if need be.]

Thanks so much!!!
 
If no one's getting bullied there really isn't a reason not to. I recently put my fresh hatched chicks with my 2+ week old bantams and had no issues. It's been 2 weeks of them together and now they act like one big flock. I also put 2 month olds with my would have been around 7 month olds no problem. I built a brooder "room* that has hardware cloth in some parts so from day one everyone gets to see each other if they want to.
 
Oh that is so great! That was what I was aiming for - a well incorporated little flock of chickies! I love that you can do that with the brooder room, too. One day we'll have a bigger coop, but for now too, since they came from different hatcheries I wanted to keep them at least a *little bit* separated for 10-14 days... It just makes me so happy now to see them all bouncing around the brooder, getting to know each other.
 
If no one's getting bullied there really isn't a reason not to. I recently put my fresh hatched chicks with my 2+ week old bantams and had no issues. It's been 2 weeks of them together and now they act like one big flock. I also put 2 month olds with my would have been around 7 month olds no problem. I built a brooder "room* that has hardware cloth in some parts so from day one everyone gets to see each other if they want to.
The one thing that is kind of happening is it looks like one of the bigs has claimed the warm spot. So we messed around with the lights a bit to try and even it out. I don't mind if they are sleeping on opposite sides, but I just don't want the littles to be chilled overnight.
 
So I wasn't crazy about how the littles were piled up in the corner, and while it didn't look physy, it sort of looked like the bigs were being possessive of ... The heat? So I did put the littles back on their own to sleep last night. Will definitely try mixing again soon in the next day or two, and hopefully by the end of the week we can be fully integrated...

I also found this thread: (Same topic)
https://www.backyardchickens.com/threads/when-to-allow-age-gap-chicks-to-mix.1525942/
 
The one thing that is kind of happening is it looks like one of the bigs has claimed the warm spot. So we messed around with the lights a bit to try and even it out. I don't mind if they are sleeping on opposite sides, but I just don't want the littles to be chilled overnight.
That can be an issue. I always keep at least two of everything (heat, food, water source) when I have more than just a couple brooding or I'm mixing in small groups. I bought brooder plates that are large enough for 30 chicks, but I have one plate per every 5-10 chicks maximum (depending on breed size) to make sure there's plenty of room. They are also nice because I can set the legs low enough on a plate to keep the larger chicks out so the littlest ones have an area to get away if need be.
 
I dropped by from my other 'age gap chicks thread' to see what you had going on. Fwiw, our haven't needed to be separate at all since we pulled the grow-out pen from the coop a week+ ago. One chick had an eye injury that I thought might have been related to bullying, but after she healed up and was greeted like school kids do after summer break upon her return, I am wondering if she got stung by a wasp or something.

Regardless, the different aged chicks are doing fantastic together. The older Orps (The Three Amigos, Lucky, Dusty and Ned, aka 'Smudge') are still super bonded, but all 22 are roosting together now, eating from the same dish without bullying, and doing all the fun stuff chickens do without chasing, pecking, or shenanigans. I noticed that the Amigos' behavior has even settled a bit from when they were the only chickens - they were a bit neurotic, if endearing. The littles are finding their places in the pecking order with little drama, and have started to form little peer groups, but since everyone has friends, I think it will be okay. And it is so much easier for us humans not to be dealing with separate situations. In fact I am glad we combined them when we did, because the cliches might have made integration even harder, plus the Orpingtons are kinda softies.

Good luck with your chickies! Please share pics.
 

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