Tonga has long lacked land area compared with its population so the missionaries introduced horsemeat in lieu of cattle .
In Tonga , a horse is one of the most valuable animals a family can own because of its use as a beast of burden .
Tonga has long lacked land area compared with Tonga 's population so the missionaries introduced horsemeat in lieu of cattle .
In Tonga , a horse is one of the most valuable animals a family can own because of its use as a beast of burden .