my lil miss had bottles before breast due to a traumatic delivery and it just wasnt gonna happen for a bit.
3 weeks on she was being fully Breastfed!
then at 4 weeks she started refusing the breast flat out and screaming til i let her have a bottle.
now at 6 weeks she has both happily. she loves how easy the milk comes from the bottle so often wants only that when shes overtired. but when shes sleepy, just woken up, or in a good mood, she happily preffers the breast (loves the snuggles with mummy

) we made sure in the beginning to use a variety of things (cup and syringe as well as a bottle).
it IS really nice for dhs to do a feed an one bottle at the same time each day shouldnt cause much confusion. just watch it and if she starts refusing the breast you will have to do tough love and stop the bottle.
good luck, would love to hear how it goes!