2 of my 2 month old roosters died in 2 days

[EastonsMommy]

I've let them out twice in a makeshift cage on grass and yes I have 10 chickens that are full time free range also the other 3 the that are in the same brooder are still

Honestly, if they were mine, I would start treatment of all the rest with Corid as soon as possible. It's very safe and won't hurt them, but if it was coccdiosis, they have all been exposed. Coccidiosis is very common in chicks. Those that are exposed and recover will have some resistance to it in the future.

I put corid in their water yesterday and will continue treatment , thank you

 

[EastonsMommy]

My brooder is very similar, a bit wider. Are you going to move them out of the brooder soon? At 8 weeks they should not need supplemental heat anymore and can be outdoors.
I would still go ahead and treat them with the Corid.

Ok thank you ill move them out after the 7 day treatment

 

[McChooky]

Do you have a way to monitor the humidity in the brooder? Using a heater increases the humidity(high humidity can lower their resistance to disease)

 

[EastonsMommy]

Do you have a way to monitor the humidity in the brooder? Using a heater increases the humidity(high humidity can lower their resistance to disease)

I do but im going to stop using the heat at all , which the brooder is very well ventilated

 

[McChooky]

I do but im going to stop using the heat at all , which the brooder is very well ventilated

Ventilation doesn't solve the problem of high humidity when the air comes from another heated room such as yours.

Edit: Chickens release a lot of moisture thru expiration and droppings .The problem will get worse as the birds get bigger.
Adding an outdoor vent circulates cool air inside the brooder