How do I introduce 10 week old chicks to my flock of chickens

[Bryce Thomas]

All are silkies, 3 are adults and 4 are chicks. What and how do I introduce them to each other without the adults and especially the rooster killing the chicks?

 

[50-45-1]

Separate but within view.
A partitioned area in the coop ( this depends on your coop setup) I have a walk in coop so I fence off a corner, and let them get used to the sight of each other for a week.
Then I prop up a section if the fencing high enough for the chicks to go in and out but not high enough for the adults to enter the chick area. That way the chicks can go out and explore their surroundings, but can run back to safe zone if somebody gives them trouble.
Add clutter to your coop and run (wooden crates, bale of hay, extra roosts and branches) so chicks can have escape areas.
Again each coop and run set up differs and this will determine what works for you.

 

[aart]

10 weeks is probably too big for 'tiny doors'.

But, here's some tips about ......
Integration Basics:
It's all about territory and resources(space/food/water).
Existing birds will almost always attack new ones to defend their resources.
Understanding chicken behaviors is essential to integrating new birds into your flock.

Confine new birds within sight but physically segregated from older/existing birds for several weeks, so they can see and get used to each other but not physically interact.

In adjacent runs, spread scratch grains along the dividing mesh, best if mesh is just big enough for birds to stick their head thru, so they get used to eating together.

The more space, the better. Birds will peck to establish dominance, the pecked bird needs space to get away. As long as there's no copious blood drawn and/or new bird is not trapped/pinned down and beaten unmercilessly, let them work it out. Every time you interfere or remove new birds, they'll have to start the pecking order thing all over again.

Multiple feed/water stations. Dominance issues are most often carried out over sustenance, more stations lessens the frequency of that issue.

Places for the new birds to hide 'out of line of sight'(but not a dead end trap) and/or up and away from any bully birds. Roosts, pallets or boards leaned up against walls or up on concrete blocks, old chairs tables, branches, logs, stumps out in the run can really help. Lots of diversion and places to 'hide' instead of bare wide open run.
Good ideas for hiding places:
https://www.backyardchickens.com/threads/a-cluttered-run.1323792/

 

[Ridgerunner]

All are silkies, 3 are adults and 4 are chicks. What and how do I introduce them to each other without the adults and especially the rooster killing the chicks?

What are you working with? What do your facilities look like, size of coop in feet, size of run in feet, and how do they go together? Photos can be really helpful here. While size is important the quality of that room is important too. That's why a photo may really help. The others have given you good generic advice but unless we know what you have to work with we really can't give any specific suggestions that suit your situation.

I start introducing chicks to my flock right after they hatch. My brooder is in the coop so those chicks grow up with the flock and my broody hens hatch and raise with the flock. I've never had a problem with a dominant rooster and young chicks. He assumes they are his so he either leaves them alone or occasionally helps take care of them. At 10 weeks yours are probably still young enough for him to accept them to his flock, but I wouldn't want to wait much longer, especially if some of those chicks are boys. You don't want him to see them as rivals. So get started.

It's too late for you to raise them with the flock but my brooder-raised chicks are usually roaming with the flock by 5 weeks of age. I have a lot of space too, over 3,000 square feet outside. I think that helps a lot. With your numbers of chickens and them being Silkies your space may be a lot more limited, which can make things more challenging.