To filter the performance phase by period, you need to follow these steps:
Management > Breeding > Analysis center > Breeding performance
After that, select an initial and final data that you want to have the results and click on "Group Results By". Choose a period of time, according to the image (week, month, quarter, semester or year) and click on filter.
After filtering, you will have a listing of the selected group, like in the image (in this case, we select by week):
