Hi,
Can you please add the mod "Enhanced Mob Spawners"?
Link to mod: https://www.curseforge.com/min…ds/enhanced-mob-spawners/
Enhanced Mob Spawners it's a mod that allows you to drop spawner with silk touch and after new location give us possibility to edit options from spawners. That mod add too 4% chance to drop egg from monster 
Best regards
Patxxl