In Feed prices tab, first select the reference date for the feed price. The default date is today, but you could select other dates as reference date. Then update the feed price for the reference date. Be aware that all feed displayed needs to have at least an issue date before the start of the production group for the calculation to be able to succeed.
Shrimp economics
This module provides the insight on the possibility of the economical results and helps users to make best harvest decision based on the prediction of profitability. There are 6 tabs: production group, feed prices, market prices, shape distributions, economical result, and harvest prediction.