Definitely take her along and let her watch. I have 3 daughters, and have no idea if they will want to hunt or not. The oldest is 6. I have always made sure that they knew meat was a dead animal, that someone killed, and that animals are not the same as what they watch on the Disney channel.
Last year the butcher truck was in the field by our house. I stopped just in time to let my oldest watch them shoot a cow, and hang it by its feet, slit its throat, and start gutting it. I explained the entire process, and that they were making meat for people to eat. She was fascinated and not bummed out by it (I have to admit that when I was in Jr high and high school I raised cows and occasionally accompanied the butcher in the field, and I was always a little bummed when they killed a cow I raised from a bottle).
Sounds like your daughter is ready for the experience.
I plan on taking my 6 y.o. out to watch a duck hunt this fall. My kids have been around lots of dead ducks. It really weirded out my wife when my daughters got ahold of 2 limits of mallard and teal carcasses, and were playing with them. The mallards were the mommies and daddys and the teal were the kids. Some had on little coats and hats, and even the one who's head got ripped off, was laying on a paper towel "in the hospital".
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WDFW - Turning outdoorsmen into golfers since 1994.