In the Bulk Edit Joining Plans screen, make the required changes.
In this instance we are changing the Male. Select to Edit, input the ID for the Male, search.
To remove the Batch number saved against the Joining Plans, select the pencil icon of the Batch field and then leave it blank.
Female information cannot be Edited.
After Joinings have occurred, it's recommended to Archive the Joining Plans. This will hide them from the Planned Joinings list.