--- a/net/minecraft/world/entity/animal/EntityMushroomCow.java
+++ b/net/minecraft/world/entity/animal/EntityMushroomCow.java
@@ -43,6 +43,13 @@
 import net.minecraft.world.level.gameevent.GameEvent;
 import net.minecraft.world.level.storage.loot.LootTables;
 
+// CraftBukkit start
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.entity.EntityDropItemEvent;
+import org.bukkit.event.entity.EntityTransformEvent;
+// CraftBukkit end
+
 public class EntityMushroomCow extends EntityCow implements IShearable, VariantHolder<EntityMushroomCow.Type> {
 
     private static final DataWatcherObject<String> DATA_TYPE = DataWatcher.defineId(EntityMushroomCow.class, DataWatcherRegistry.STRING);
@@ -120,6 +127,11 @@
             if (world instanceof WorldServer) {
                 WorldServer worldserver = (WorldServer) world;
 
+                // CraftBukkit start
+                if (!CraftEventFactory.handlePlayerShearEntityEvent(entityhuman, this, itemstack, enumhand)) {
+                    return EnumInteractionResult.PASS;
+                }
+                // CraftBukkit end
                 this.shear(worldserver, SoundCategory.PLAYERS, itemstack);
                 this.gameEvent(GameEvent.SHEAR, entityhuman);
                 itemstack.hurtAndBreak(1, entityhuman, getSlotForHand(enumhand));
@@ -163,11 +175,19 @@
             worldserver.sendParticles(Particles.EXPLOSION, this.getX(), this.getY(0.5D), this.getZ(), 1, 0.0D, 0.0D, 0.0D, 0.0D);
             this.dropFromShearingLootTable(worldserver, LootTables.SHEAR_MOOSHROOM, itemstack, (worldserver1, itemstack1) -> {
                 for (int i = 0; i < itemstack1.getCount(); ++i) {
-                    worldserver1.addFreshEntity(new EntityItem(this.level(), this.getX(), this.getY(1.0D), this.getZ(), itemstack1.copyWithCount(1)));
+                    // CraftBukkit start
+                    EntityItem entityitem = new EntityItem(this.level(), this.getX(), this.getY(1.0D), this.getZ(), itemstack1.copyWithCount(1));
+                    EntityDropItemEvent event = new EntityDropItemEvent(this.getBukkitEntity(), (org.bukkit.entity.Item) entityitem.getBukkitEntity());
+                    Bukkit.getPluginManager().callEvent(event);
+                    if (event.isCancelled()) {
+                        continue;
+                    }
+                    worldserver1.addFreshEntity(entityitem);
+                    // CraftBukkit end
                 }
 
             });
-        });
+        }, EntityTransformEvent.TransformReason.SHEARED, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SHEARED); // CraftBukkit
     }
 
     @Override
@@ -263,7 +283,7 @@
         }
 
         static EntityMushroomCow.Type byName(String s) {
-            return (EntityMushroomCow.Type) EntityMushroomCow.Type.CODEC.byName(s, (Enum) EntityMushroomCow.Type.RED);
+            return (EntityMushroomCow.Type) EntityMushroomCow.Type.CODEC.byName(s, EntityMushroomCow.Type.RED); // CraftBukkit - decompile error
         }
     }
 }