If you want to register a service before entry date, it is possibleYou just enter the service date on the sow card and thendepending on your settings, a warning window will appear, like this: 




Here you simply click “Yes and the service will be registered.  

By default, the minimum number of days from entry to service is –30, so if the service happened more than 30 days before entry, then this warning will come up: 




Here you click “Setting” and this window will come up: 




Here you change the –30 to the required number of days and then press “Ok”. This window will appear again: 




Here you click “Yes”, and the service will be registered, and you can enter the boar and other registrations.