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
index e92592a..ad13c46 100644
--- a/src/main/java/cat/udl/eps/softarch/demo/repository/CatRepository.java
+++ b/src/main/java/cat/udl/eps/softarch/demo/repository/CatRepository.java
@@ -3,8 +3,15 @@
 import cat.udl.eps.softarch.demo.domain.Cat;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
 import org.springframework.data.rest.core.annotation.RepositoryRestResource;
 
+import java.util.List;
+
 @RepositoryRestResource
 public interface CatRepository extends CrudRepository<Cat, Long>, PagingAndSortingRepository<Cat, Long> {
+
+    List<Cat> findByName(@Param("name") String name);
+    List<Cat> findByChip(@Param("chip") String chip);
+
 }
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
index e068275..42d8fbd 100644
--- a/src/main/java/cat/udl/eps/softarch/demo/repository/DogRepository.java
+++ b/src/main/java/cat/udl/eps/softarch/demo/repository/DogRepository.java
@@ -3,8 +3,15 @@
 import cat.udl.eps.softarch.demo.domain.Dog;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
 import org.springframework.data.rest.core.annotation.RepositoryRestResource;
 
+import java.util.List;
+
 @RepositoryRestResource
 public interface DogRepository extends CrudRepository<Dog, Long>, PagingAndSortingRepository<Dog, Long> {
+
+    List<Dog> findByName(@Param("name") String name);
+    List<Dog> findByChip(@Param("chip") String chip);
+
 }