try takin her to a lake or pond and throw a dokkens canada goose out there a couple times, then without lettin her know, sneak a real goose in there and toss it out........................when my lab was like 5 months i had the same problem, only with ducks. So i threw out a dokkens Dead fowl trainer then threw a teal out there and she did just fine.....shes retireved every duck ive shot since then