I know this is from 8 years ago and you probably already culled those ISAs. I have had back yard chickens for 3 years now, I started with a flock of Black Australorps (which I really like mostly), but as chickens find ways to die, on 2nd year I ordered 10 ISA chicks. I've had them for a year...
Things I do:
1. Their water is in an insulated 5 gallon water cooler that I adapted with PVC and those chicken water cups.
2. I've been freezing 1-2 32 oz cups of water that I place in said water cooler every morning to keep the water cool.
3. Once I get the ice out of the cup my swirling it...
One of my Chickens "Princess (Layer)" has been suffering with bumblefoot. During this stretch of 100+ degree weather in Texas, I lost one of my other chickens to heat, and Princess went into heat stress as well. We brought her inside, hand fed her electrolyte water, and she is doing much...