Craft the eggs for neutral and passive mobs in a workbench using relevant materials and an emerald.
To craft a spawn egg:
let X be the desired mob's ingredient
let E be an Emerald
Place the following grid in a workbench:
X X X
X E X
X X X
Ingredients:
Villager: Gold Ingot
Chicken: Feather
Cow: Raw Beef
Pig: Raw Pork
Sheep: White Wool
Squid: Ink Sac
Mooshroom: Red Mushroom
Wolf: Bone
Ocelot: Raw Fish
Horse: Leather