The correct option is D 38.9oC
Poultry farming is the method of rearing and maintaining poultry birds. In poultry farm, there is two type of birds called as broilers and layers. Layers are the egg laying birds with low meat content. Broilers are the birds reared for the meat. For the development of chicken, layers incubate their eggs at a specific temperature. The recommended temperature is 102o Fahrenheit (38.9oC).