Ingstad says that caribou are have parasitic insects growing in their throats which used to be a delicacy to the natives. They also eat the velvet on the budding antlers.
April 15, 1927
The Land of Feast and Famine
Man The Fat Hunter
This is the season when the natives feast themselves on the newly sprouting horns of the deer. In velvet, they are but a few inches long and are covered with a pale green hairy skin. Lodged in the throat of each animal[caribou] is a handful of insect larvae. In olden times these constituted a great delicacy for the Indians, but today, as soon as the animal is slain, these grubs are dug out and thrown aside. Nor are the hides worth tanning at this season of the year. They are full of holes caused by bots or warbles.
The larvae of the gad-fly, inch-long grubs which hatch in the flesh beneath the skin and eventually eat their way through and fall out on the ground. — TRANSLATOR.