Not yet you can't, an update for horses in Minecraft xbox has not been released yet by Mojang.
There isn't an IP number for the horse egg in the game Minecraft. This is because the eggs are traditionally known for their rareness to spawn in the wild.
Try: 383:99
The only way to spawn herobrine in minecraft is to use mods as you cannot spawn him in vanilla minecraft.
A dungeon in Minecraft can spawn on any level that normal land can spawn on
Wolves will sometimes spawn in forests in Minecraft PE 0.9.0 and above.
No, currently in vanilla Minecraft dinosaurs are not in the game. This means there are no spawn eggs for them.
You can't spawn in a farm. You make one.
In creative mode you can spawn a zombie with the egg
Yes, villages spawn in the 1.0.0 release of Minecraft. They were originally added in version 1.8
Minecraft originally came out with spawn eggs in a pre-release - 11w49a. The update was for Minecraft 1.1, in case you are looking for an actual Minecraft update release.
Use a spawn egg in creative or look for a nether fotress where they spawn.