2.4. Controller
The basis for the controller is the nutritionist’s planned growth curve and the expected daily feed intake throughout the life of the flock. It is possible to operate the controller given only the target weight on a given date and the expected intake, but the trajectory that the birds take to the final weight can affect their conformation and have welfare implications, so this is a decision betterleft to experience. The objective is then to minimise the RMSE between the target and predicted growth curves for the remainder of the growing period.