Complex sentence: In the countries where the hunting occurs, orphaned apes (deemed unable to survive on their own, but also deemed too small to be worth shooting and cutting up, to the hunters) are raised and returned to the wild as part of these efforts.
Split into simpler sentences: In the countries where the hunting occurs, orphaned apes are deemed unable to survive on their own, but also deemed too small to be worth shooting and cutting up. They are raised and returned to the wild as part of these efforts.