101Leafy researched the games.
Apceros

Hunted for their meat, which is buried under a thick, armored hide. Aggressive compared to the Aptonoth, hunting them can be a challenge. Apceros eggs are a valuable guild commodity.
Monster List No. 5
Carving
Number of carvings: 1 (BradyGames, Monster Hunter Official Strategy Guide, 2004, p. 79). The guide (p. 78) splits the carves by Quest Level: early quests are levels 1 to 3, latter quests 4 to 6.
Early quests
| Item | Chance |
|---|---|
| Sm Monster Bone | 15% |
| Raw Meat | 30% |
| Raw Meat | 30% |
| Raw Meat | 15% |
| Sm Monster Bone | 8% |
| Sm Monster Bone | 2% |
Latter quests
| Item | Chance |
|---|---|
| Sm Monster Bone | 15% |
| Raw Meat | 30% |
| Raw Meat | 30% |
| Raw Meat | 15% |
| Sm Monster Bone | 8% |
| Sm Monster Bone | 2% |
Quests
No quest names it in its title or goal.