Should give priority to fish involves costs and meal costs and should increase the number of workers and the rate of survival of the child involves in an appropriate level to achieve further efficiency in production.
Should focus on costs and cost of food fish species as well. And should increase the number of workers and the survival rate of the species to a level appropriate to achieve efficiency in production.
Should pay attention to the cost and the cost of breeding fish food very much. And should increase the number of workers and the survival rate of species at a level appropriate to an efficiency in production.