The warmest temperature that defines this comfort zone is the critical high temperature, above which chickens suffer heat stress. The lowest temperature is the critical low, below which chickens suffer cold stress.
The cost of initial site evaluation visits will vary with the cost of travel from the USDA reviewer's duty station to the applicant's place of business.
She is noble by nature, and has the advantage over her coroneted cousins in being permitted to wear a white cap out of doors, and an easy and simple costume; in the fact of her limbs being braced by a life spent in the open air, and her head not being plagued with the proprieties of May Fair.