| Tag Name | Tag Type | Type Enforced | Example | Notes |
|---|---|---|---|---|
| EatingHaystack | Byte (Boolean) | No | ||
| Bred | Byte (Boolean) | No | ||
| ChestedHorse | Byte (Boolean) | No | ||
| HasReproduced | Byte (Boolean) | No | ||
| Type | Integer | No | ||
| Variant | Integer | No | ||
| Temper | Integer | No | ||
| Tame | Byte (Boolean) | No | ||
| OwnerUUID | String | Yes | ||
| Owner | String | Yes | ||
| Items | List (Compound) | Yes | ||
| ArmorItem | Compound | Yes | ||
| SaddleItem | Compound | Yes | ||
| Saddle | Byte (Boolean) | No |