The definition of intact is something that is  complete and that has not been damaged in any way. An example of intact is a 36-piece set of military figures that has not been broken.
Mourning Doves sit on their eggs for about 2 weeks, feed the babies in the nest for about 2 weeks and then care for their young for about a month after they've fledged.
Others separate the seed in separate containers, and it is hoped that the doves will select their favorite seed first, but later learn to eat a balanced diet of seeds. We feed our doves once a day; in the evening.