diff --git a/schemas/dog.py b/schemas/dog.py
new file mode 100644
index 0000000..767928d
--- /dev/null
+++ b/schemas/dog.py
@@ -0,0 +1,46 @@
+from pydantic import BaseModel, Field
+from typing import Optional
+from datetime import datetime
+from uuid import UUID
+
+class DogBase(BaseModel):
+    breed_name: str = Field(..., min_length=1, max_length=100, description="Name of the dog breed")
+    origin: str = Field(..., description="Origin/country of the breed")
+    size: str = Field(..., description="Size category of the breed")
+    temperament: str = Field(..., description="Temperament characteristics")
+    life_span: str = Field(..., description="Average life span of the breed")
+    description: str = Field(..., description="Detailed description of the breed")
+
+class DogCreate(DogBase):
+    class Config:
+        schema_extra = {
+            "example": {
+                "breed_name": "Labrador Retriever",
+                "origin": "Canada",
+                "size": "Large",
+                "temperament": "Friendly, Active, Outgoing",
+                "life_span": "10-12 years",
+                "description": "The Labrador Retriever is one of the most popular dog breeds in the world."
+            }
+        }
+
+class Dog(DogBase):
+    id: UUID
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True
+        schema_extra = {
+            "example": {
+                "id": "550e8400-e29b-41d4-a716-446655440000",
+                "breed_name": "Labrador Retriever",
+                "origin": "Canada",
+                "size": "Large",
+                "temperament": "Friendly, Active, Outgoing",
+                "life_span": "10-12 years",
+                "description": "The Labrador Retriever is one of the most popular dog breeds in the world.",
+                "created_at": "2023-01-01T00:00:00",
+                "updated_at": "2023-01-01T00:00:00"
+            }
+        }
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