diff --git a/src/main/java/cat/udl/eps/softarch/demo/repository/CatRepository.java b/src/main/java/cat/udl/eps/softarch/demo/repository/CatRepository.java
new file mode 100644
index 0000000..48c8445
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/demo/repository/CatRepository.java
@@ -0,0 +1,8 @@
+package cat.udl.eps.softarch.demo.repository;
+
+import cat.udl.eps.softarch.demo.domain.Cat;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+
+public interface CatRepository extends CrudRepository<Cat, String>, PagingAndSortingRepository<Cat, String> {
+}
diff --git a/src/main/java/cat/udl/eps/softarch/demo/repository/DogRepository.java b/src/main/java/cat/udl/eps/softarch/demo/repository/DogRepository.java
new file mode 100644
index 0000000..5e83b4c
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/demo/repository/DogRepository.java
@@ -0,0 +1,8 @@
+package cat.udl.eps.softarch.demo.repository;
+
+import cat.udl.eps.softarch.demo.domain.Dog;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+
+public interface DogRepository extends CrudRepository<Dog, String>, PagingAndSortingRepository<Dog, String> {
+}
diff --git a/src/main/java/cat/udl/eps/softarch/demo/repository/PetRepository.java b/src/main/java/cat/udl/eps/softarch/demo/repository/PetRepository.java
new file mode 100644
index 0000000..d7edc69
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/demo/repository/PetRepository.java
@@ -0,0 +1,8 @@
+package cat.udl.eps.softarch.demo.repository;
+
+import cat.udl.eps.softarch.demo.domain.Pet;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+
+public interface PetRepository extends CrudRepository<Pet, String>, PagingAndSortingRepository<Pet, String> {
+}