I always started with "supervised ranging". I also made sure they had learned a "come" signal before I let them free-range, such as shaking a dish with a little scratch in it and calling "here chickie, chickie, chickie." 
They learned on their own that if I walk through the gate carrying plastic bags that I probably had chicken treats from my mom such as watermelon rinds, cauliflower leaves, strawberry hulls, etc. That is when they run the fastest!
They also know that the blue bucket carried by me or my husband means feeding time.

They learned on their own that if I walk through the gate carrying plastic bags that I probably had chicken treats from my mom such as watermelon rinds, cauliflower leaves, strawberry hulls, etc. That is when they run the fastest!

They also know that the blue bucket carried by me or my husband means feeding time.

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