i've used em & they will work, but not for what he wants, too delicate. Excellent for skinning thoughI've heard a lot of guys are using Havalon knives with replaceable scalpel blades for skinning everything from deer to elk to moose. You'd need a leatherman or such to change the blade out, but you can't beat the weight or sharpness.
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If you've got another blade for breaking and making for fire/wood craft/shelter building, this might be the way to go to keep your weight down.
There are some backpack hunting websites out there (archerytalk, rokslide, etc). You might take a look at those for ideas as well.
& Poez is right got to be careful with whom you are asking about hunting knives,