Just my 2 cents but both my boys went through a "picky" stage at about 5 months were they would only eat one piece of food rolled out to them on the floor or food by hand.
I would bring the bowl of food next to me and feed them a piece or let them smell the piece I was holding and put it back in the bowl after it had my smell on it.
They out grew it.
__________________  Max (the Morkie) & Mickey (the Yorkie) |