Ali, i train my dogs to hold the neck. quite simpley get them keen on the deer skin, as in tracking reward,let her carry it around, then skin a deer and leave the head on, offer her the throat to carry the skin by,then basicly when she goes for the skin if she picks it up by the throat,praise and carry on, if she picks it anywhere else big NO and offer the throat,they soon realise if they want to play with the skin its throat or nowt. Hanging the skin over a gate and letting the pup pull it down to the ground, im sure will imprint for the day when she does have to pull over a wounded deer..
Hope this helps
Nell