changing food

Hi, I have been reading the forum for hours and am overwhelmed with food choices. I would like to switch from Nutro Ultra large breed adult because my 11 1/2 yr old girl won't eat it without wet Ultra on top. I could switch her to all wet but her hair lacks luster and she sleeps all the time so...

Well, I really should and do know better but I did something foolish and we're now paying for it. Jenny is 11 weeks, in good health, vet checked, etc. We started her off with the food used by the breeder and she was doing well but through research and vet advice we decided to change her over to...