diff --git a/config/routes/routes.yaml b/config/routes/routes.yaml
index f8515ba..2750e40 100755
--- a/config/routes/routes.yaml
+++ b/config/routes/routes.yaml
@@ -110,35 +110,35 @@ pet_remove:
 
 api_users_list:
     path: api/v1/users
-    controller: App\Controller\ApiUserController::list
+    controller: App\Controller\Api\UserController::list
     defaults:
         _format: json
     methods: GET
 
 api_users_show:
     path: api/v1/users/{id}
-    controller: App\Controller\ApiUserController::show
+    controller: App\Controller\Api\UserController::show
     defaults:
         _format: json
     methods: GET
 
 api_users_new:
     path: api/v1/users
-    controller: App\Controller\ApiUserController:new
+    controller: App\Controller\Api\UserController:new
     defaults:
         _format: json
     methods: POST
 
 api_users_edit:
     path: api/v1/users/{id}
-    controller: App\Controller\ApiUserController::edit
+    controller: App\Controller\Api\UserController::edit
     defaults:
         _format: json
     methods: PUT
 
 api_users_delete:
     path: api/v1/users/{id}
-    controller: App\Controller\ApiUserController::delete
+    controller: App\Controller\Api\UserController::delete
     defaults:
         _format: json
     methods: DELETE
@@ -149,35 +149,42 @@ api_users_delete:
 
 api_clinics_list:
     path: api/v1/clinics
-    controller: App\Controller\ApiClinicController::list
+    controller: App\Controller\Api\ClinicController::list
     defaults:
         _format: json
     methods: GET
 
 api_clinics_show:
     path: api/v1/clinics/{id}
-    controller: App\Controller\ApiClinicController::show
+    controller: App\Controller\Api\ClinicController::show
+    defaults:
+        _format: json
+    methods: GET
+
+api_clinics_show_veterinaries:
+    path: api/v1/clinics/{id}/addresses
+    controller: App\Controller\Api\ClinicController::showAddress
     defaults:
         _format: json
     methods: GET
 
 api_clinics_new:
     path: api/v1/clinics
-    controller: App\Controller\ApiClinicController:new
+    controller: App\Controller\Api\ClinicController:new
     defaults:
         _format: json
     methods: POST
 
 api_clinics_edit:
     path: api/v1/clinics/{id}
-    controller: App\Controller\ApiClinicController::edit
+    controller: App\Controller\Api\ClinicController::edit
     defaults:
         _format: json
     methods: PUT
 
 api_clinics_delete:
     path: api/v1/clinics/{id}
-    controller: App\Controller\ApiClinicController::delete
+    controller: App\Controller\Api\ClinicController::delete
     defaults:
         _format: json
     methods: DELETE
@@ -188,35 +195,42 @@ api_clinics_delete:
 
 api_veterinaries_list:
     path: api/v1/veterinaries
-    controller: App\Controller\ApiVeterinaryController::list
+    controller: App\Controller\Api\VeterinaryController::list
     defaults:
         _format: json
     methods: GET
 
 api_veterinaries_show:
     path: api/v1/veterinaries/{id}
-    controller: App\Controller\ApiVeterinaryController::show
+    controller: App\Controller\Api\VeterinaryController::show
+    defaults:
+        _format: json
+    methods: GET
+
+api_veterinaries_show_address:
+    path: api/v1/veterinaries/{id}/addresses
+    controller: App\Controller\Api\VeterinaryController::showAddress
     defaults:
         _format: json
     methods: GET
 
 api_veterinaries_new:
     path: api/v1/veterinaries
-    controller: App\Controller\ApiVeterinaryController:new
+    controller: App\Controller\Api\VeterinaryController:new
     defaults:
         _format: json
     methods: POST
 
 api_veterinaries_edit:
     path: api/v1/veterinaries/{id}
-    controller: App\Controller\ApiVeterinaryController::edit
+    controller: App\Controller\Api\VeterinaryController::edit
     defaults:
         _format: json
     methods: PUT
 
 api_veterinaries_delete:
     path: api/v1/veterinaries/{id}
-    controller: App\Controller\ApiVeterinaryController::delete
+    controller: App\Controller\Api\VeterinaryController::delete
     defaults:
         _format: json
     methods: DELETE
@@ -227,35 +241,49 @@ api_veterinaries_delete:
 
 api_pets_list:
     path: api/v1/pets
-    controller: App\Controller\ApiPetController::list
+    controller: App\Controller\Api\PetController::list
     defaults:
         _format: json
     methods: GET
 
 api_pets_show:
     path: api/v1/pets/{id}
-    controller: App\Controller\ApiPetController::show
+    controller: App\Controller\Api\PetController::show
+    defaults:
+        _format: json
+    methods: GET
+
+api_pets_show_owner:
+    path: api/v1/pets/{id}/owners
+    controller: App\Controller\Api\PetController::showOwner
+    defaults:
+        _format: json
+    methods: GET
+
+api_pets_show_owner_address:
+    path: api/v1/pets/{id}/owners/addresses
+    controller: App\Controller\Api\PetController::showOwnerAddress
     defaults:
         _format: json
     methods: GET
 
 api_pets_new:
     path: api/v1/pets
-    controller: App\Controller\ApiPetController:new
+    controller: App\Controller\Api\PetController:new
     defaults:
         _format: json
     methods: POST
 
 api_pets_edit:
     path: api/v1/pets/{id}
-    controller: App\Controller\ApiPetController::edit
+    controller: App\Controller\Api\PetController::edit
     defaults:
         _format: json
     methods: PUT
 
 api_pets_delete:
     path: api/v1/pets/{id}
-    controller: App\Controller\ApiPetController::delete
+    controller: App\Controller\Api\PetController::delete
     defaults:
         _format: json
     methods: DELETE
\ No newline at end of file
diff --git a/src/Controller/ApiClinicController.php b/src/Controller/Api/ClinicController.php
similarity index 57%
rename from src/Controller/ApiClinicController.php
rename to src/Controller/Api/ClinicController.php
index 8c7ffa6..d48ae5d 100644
--- a/src/Controller/ApiClinicController.php
+++ b/src/Controller/Api/ClinicController.php
@@ -15,17 +15,11 @@
 use Symfony\Component\Serializer\Serializer;
 use Symfony\Component\HttpFoundation\Response;
 
-class ApiClinicController extends AbstractController
+class ClinicController extends AbstractController
 {
-    public function index()
-    {
-        return new JsonResponse(['status' => 'ok']);
-    }
-
     public function list()
     {
-        $clinics = $this->getDoctrine()
-            ->getRepository('App\Entity\Clinic')
+        $clinics = $this->getDoctrine()->getRepository(Clinic::class)
             ->findAll();
         
         $encoders = [new XmlEncoder(), new JsonEncoder()];
@@ -33,9 +27,7 @@ public function list()
        
         $serializer = new Serializer($normalizers, $encoders);
         $jsonContent = $serializer->serialize($clinics, 'json', [
-            'circular_reference_handler' => function ($object) {
-                return $object->getId();
-            }
+            'ignored_attributes' => ['veterinaries']
         ]);
 
         return new Response($jsonContent);
@@ -48,10 +40,9 @@ public function show(Clinic $clinic)
        
         $serializer = new Serializer($normalizers, $encoders);
         $jsonContent = $serializer->serialize($clinic, 'json', [
-            'circular_reference_handler' => function ($object) {
-                return $object->getId();
-            }
+            'ignored_attributes' => ['veterinaries']
         ]);
+        
         return new Response($jsonContent);
     }
 
@@ -65,20 +56,21 @@ public function new(Request $request)
         $clinic = new Clinic();
         $clinic->setName($request->get('name'));
         $clinic->setAddress($address);
-
+        
+        $form = $this->createForm(ClinicType::class, $clinic);
+        $form->submit($clinic);
+        
         $entityManager = $this->getDoctrine()->getManager();
         $entityManager->persist($clinic);
         $entityManager->flush();
         
-        return new JsonResponse(['msg' => 'Clinic created whit success!'], Response::HTTP_OK);
+        $response = new JsonResponse(['msg'=>'Clinic created whit success!'], Response::HTTP_CREATED);
+        
+        return $response;
     }
     
-    public function edit(Request $request, $clinic)
+    public function edit(Request $request, Clinic $clinic)
     {
-        if (empty($clinic)) {
-            return new JsonResponse(['msg' => 'Clinic not found!'], Response::HTTP_NOT_FOUND);
-        }
-        
         $address = $clinic->getAddress();
         $address->setStreet($request->get('street'));
         $address->setNumber($request->get('number'));
@@ -87,30 +79,25 @@ public function edit(Request $request, $clinic)
         $clinic->setName($request->get('name'));
         $clinic->setAddress($address);
 
-        if (!empty($clinic->getName())) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->flush();
-
-            return new JsonResponse(['msg' => 'Clinic edited whit success!'], Response::HTTP_OK);
-        }
-
-        return new JsonResponse(['msg' => 'Check the empty fields'], Response::HTTP_NOT_ACCEPTABLE);
+        $form = $this->createForm(ClinicType::class, $clinic);
+        $form->submit($clinic);
+        
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->flush();
+        
+        $response = new JsonResponse(['msg'=>'Clinic edited whit success!'], Response::HTTP_OK);
+        
+        return $response;
     }
 
-    public function delete($clinic)
+    public function delete(Clinic $clinic)
     {
-        if (empty($clinic)) {
-            return new JsonResponse(['msg' => 'Clinic not found!'], Response::HTTP_NOT_FOUND);
-        }
-        
-        if (!empty($clinic)) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->remove($clinic);
-            $entityManager->flush();
-
-            return new JsonResponse(['msg' => 'Clinic deleted whit success!'], Response::HTTP_OK);
-        }
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->remove($clinic);
+        $entityManager->flush();
 
-        return new JsonResponse(['msg' => 'We could not find'], Response::HTTP_NOT_ACCEPTABLE);
+        $response = new JsonResponse(['msg'=>'Clinic deleted whit success!'], Response::HTTP_OK);
+        
+        return $response;
     }
 }
diff --git a/src/Controller/ApiPetController.php b/src/Controller/Api/PetController.php
similarity index 50%
rename from src/Controller/ApiPetController.php
rename to src/Controller/Api/PetController.php
index 1368d5b..1e3f8fd 100644
--- a/src/Controller/ApiPetController.php
+++ b/src/Controller/Api/PetController.php
@@ -5,11 +5,9 @@
 use App\Entity\Pet;
 use App\Entity\User;
 use App\Form\PetType;
-
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Routing\Annotation\Route;
-
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\Serializer\Encoder\JsonEncoder;
 use Symfony\Component\Serializer\Encoder\XmlEncoder;
@@ -17,17 +15,11 @@
 use Symfony\Component\Serializer\Serializer;
 use Symfony\Component\HttpFoundation\Response;
 
-class ApiPetController extends AbstractController
+class PetController extends AbstractController
 {
-    public function index()
-    {
-        return new JsonResponse(['status' => 'ok']);
-    }
-
     public function list()
     {
-        $pets = $this->getDoctrine()
-            ->getRepository('App\Entity\Pet')
+        $pets = $this->getDoctrine()->getRepository(Pet::class)
             ->findAll();
         
         $encoders = [new XmlEncoder(), new JsonEncoder()];
@@ -35,9 +27,7 @@ public function list()
        
         $serializer = new Serializer($normalizers, $encoders);
         $jsonContent = $serializer->serialize($pets, 'json', [
-            'circular_reference_handler' => function ($object) {
-                return $object->getId();
-            }
+            'ignored_attributes' => ['owner' => 'address']
         ]);
 
         return new Response($jsonContent);
@@ -50,60 +40,52 @@ public function show(Pet $pet)
        
         $serializer = new Serializer($normalizers, $encoders);
         $jsonContent = $serializer->serialize($pet, 'json', [
-            'circular_reference_handler' => function ($object) {
-                return $object->getId();
-            }
+            'ignored_attributes' => ['owner' => 'address']
         ]);
-
+        
         return new Response($jsonContent);
     }
 
     public function new(Request $request)
     {
-        $owner = $this->getDoctrine()->getRepository('App\Entity\User')->find($request->get('owner'));
+        // reference: https://symfonycasts.com/screencast/symfony-rest/form-post
+        $data = json_decode($request->getContent(), true);
         
         $pet = new Pet();
-        $pet->setName($request->get('name'));
-        $pet->setDateBirth($request->get('dateBirth'));
-        $pet->setWeigth($request->get('weigth'));
-        $pet->setType($request->get('type'));
-        $pet->setBreed($request->get('breed'));
-        $pet->setOwner($owner);
-        
+        $form = $this->createForm(PetType::class, $pet);
+        $form->submit($data);
+
         $entityManager = $this->getDoctrine()->getManager();
-        $entityManager->persist($pet);
         $entityManager->flush();
+
+        $response = new Response('Pet created whit success!', Response::HTTP_CREATED);
+        $response->headers->set('Location', '/some/programmer/url');
         
-        return new JsonResponse(['msg' => 'Pet created whit success!'], Response::HTTP_OK);
+        return $response;
     }
     
-    public function edit(Request $request, $pet)
+    public function edit(Request $request, Pet $pet)
     {
-        $owner = $this->getDoctrine()->getRepository('App\Entity\User')->find($request->get('owner'));
-        
-        if (empty($pet)) {
-            return new JsonResponse(['msg' => 'Pet not found!'], Response::HTTP_NOT_FOUND);
-        }
+        // reference: https://symfonycasts.com/screencast/symfony-rest/form-post
+        $data = json_decode($request->getContent(), true);
         
-        $pet->setName($request->get('name'));
-        $pet->setDateBirth($request->get('dateBirth'));
-        $pet->setWeigth($request->get('weigth'));
-        $pet->setType($request->get('type'));
-        $pet->setBreed($request->get('breed'));
-        $pet->setOwner($owner);
-
-        if (!empty($pet->getPetName())) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->flush();
+        $pet = new Pet();
+        $form = $this->createForm(PetType::class, $pet);
+        $form->submit($data);
 
-            return new JsonResponse(['msg' => 'Pet edited whit success!'], Response::HTTP_OK);
-        }
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->flush();
 
-        return new JsonResponse(['msg' => 'Check the empty fields'], Response::HTTP_NOT_ACCEPTABLE);
+        $response = new Response('Pet edited whit success!', Response::HTTP_OK);
+        $response->headers->set('Location', '/some/programmer/url');
+        
+        return $response;
     }
 
-    public function delete($pet)
+    public function delete(Pet $pet)
     {
+        $pet = $this->getDoctrine()->getRepository(Pet::class)
+            ->find($pet);
         
         if (empty($pet)) {
             return new JsonResponse(['msg' => 'Pet not found!'], Response::HTTP_NOT_FOUND);
@@ -117,6 +99,6 @@ public function delete($pet)
             return new JsonResponse(['msg' => 'Pet deleted whit success!'], Response::HTTP_OK);
         }
 
-        return new JsonResponse(['msg' => 'We could not find'], Response::HTTP_NOT_ACCEPTABLE);
+        return new JsonResponse(['msg' => 'We could not find'], Response::HTTP_BAD_REQUEST);
     }
 }
diff --git a/src/Controller/ApiUserController.php b/src/Controller/Api/UserController.php
similarity index 60%
rename from src/Controller/ApiUserController.php
rename to src/Controller/Api/UserController.php
index 58e0c76..832e709 100644
--- a/src/Controller/ApiUserController.php
+++ b/src/Controller/Api/UserController.php
@@ -15,16 +15,11 @@
 use Symfony\Component\Serializer\Serializer;
 use Symfony\Component\HttpFoundation\Response;
 
-class ApiUserController extends AbstractController
+class UserController extends AbstractController
 {
-    public function index()
-    {
-        return new JsonResponse(['status' => 'ok']);
-    }
-
     public function list()
     {
-        $users = $this->getDoctrine()->getRepository('App\Entity\User')
+        $users = $this->getDoctrine()->getRepository(User::class)
             ->findAll();
         
         $encoders = [new XmlEncoder(), new JsonEncoder()];
@@ -55,58 +50,52 @@ public function new(Request $request)
         $address->setCity($request->get('city'));
         
         $user = new User();
-        $user->setUserName($request->get('userName'));
+        $user->setUserName($request->get('name'));
         $user->setEmail($request->get('email'));
         $user->setAddress($address);
         
         $form = $this->createForm(UserType::class, $user);
+        $form->submit($user);
         
         $entityManager = $this->getDoctrine()->getManager();
         $entityManager->persist($user);
         $entityManager->flush();
         
-        return new JsonResponse(['msg' => 'User created whit success!'], Response::HTTP_OK);
+        $response = new JsonResponse(['msg'=>'User created whit success!'], Response::HTTP_CREATED);
+        
+        return $response;
     }
     
-    public function edit(Request $request, $user)
+    public function edit(Request $request, User $user)
     {
-        if (empty($user)) {
-            return new JsonResponse(['msg' => 'User not found!'], Response::HTTP_NOT_FOUND);
-        }
-        
         $address = $user->getAddress();
         $address->setStreet($request->get('street'));
         $address->setNumber($request->get('number'));
         $address->setCity($request->get('city'));
         
-        $user->setUserName($request->get('userName'));
+        $user->setUserName($request->get('name'));
         $user->setEmail($request->get('email'));
         $user->setAddress($address);
 
-        if (!empty($user->getUserName())) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->flush();
-
-            return new JsonResponse(['msg' => 'User edited whit success!'], Response::HTTP_OK);
-        }
-
-        return new JsonResponse(['msg' => 'Check the empty fields'], Response::HTTP_NOT_ACCEPTABLE);
+        $form = $this->createForm(UserType::class, $user);
+        $form->submit($user);
+        
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->flush();
+        
+        $response = new JsonResponse(['msg'=>'User edited whit success!'], Response::HTTP_OK);
+        
+        return $response;
     }
 
-    public function delete($user)
+    public function delete(User $user)
     {
-        if (empty($user)) {
-            return new JsonResponse(['msg' => 'User not found!'], Response::HTTP_NOT_FOUND);
-        }
-        
-        if (!empty($user)) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->remove($user);
-            $entityManager->flush();
-
-            return new JsonResponse(['msg' => 'User deleted whit success!'], Response::HTTP_OK);
-        }
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->remove($user);
+        $entityManager->flush();
 
-        return new JsonResponse(['msg' => 'We could not find'], Response::HTTP_NOT_ACCEPTABLE);
+        $response = new JsonResponse(['msg'=>'User deleted whit success!'], Response::HTTP_OK);
+        
+        return $response;
     }
 }
diff --git a/src/Controller/ApiVeterinaryController.php b/src/Controller/Api/VeterinaryController.php
similarity index 59%
rename from src/Controller/ApiVeterinaryController.php
rename to src/Controller/Api/VeterinaryController.php
index 4e7da5e..18bb9f9 100644
--- a/src/Controller/ApiVeterinaryController.php
+++ b/src/Controller/Api/VeterinaryController.php
@@ -16,17 +16,12 @@
 use Symfony\Component\Serializer\Serializer;
 use Symfony\Component\HttpFoundation\Response;
 
-class ApiVeterinaryController extends AbstractController
+class VeterinaryController extends AbstractController
 {
-    public function index()
-    {
-        return new JsonResponse(['status' => 'ok']);
-    }
-
     public function list()
     {
         $veterinaries = $this->getDoctrine()
-            ->getRepository('App\Entity\Veterinary')
+            ->getRepository(Veterinary::class)
             ->findAll();
         
         $encoders = [new XmlEncoder(), new JsonEncoder()];
@@ -34,9 +29,7 @@ public function list()
        
         $serializer = new Serializer($normalizers, $encoders);
         $jsonContent = $serializer->serialize($veterinaries, 'json', [
-            'circular_reference_handler' => function ($object) {
-                return $object->getId();
-            }
+            'ignored_attributes' => ['clinic']
         ]);
 
         return new Response($jsonContent);
@@ -49,10 +42,9 @@ public function show(Veterinary $veterinary)
        
         $serializer = new Serializer($normalizers, $encoders);
         $jsonContent = $serializer->serialize($veterinary, 'json', [
-            'circular_reference_handler' => function ($object) {
-                return $object->getId();
-            }
+            'ignored_attributes' => ['clinic']
         ]);
+
         return new Response($jsonContent);
     }
 
@@ -63,60 +55,61 @@ public function new(Request $request)
         $address->setNumber($request->get('number'));
         $address->setCity($request->get('city'));
         
+        $clinic = $this->getDoctrine()->getRepository('App\Entity\Clinic')
+            ->find($request->get('clinic'));
+
         $veterinary = new Veterinary();
         $veterinary->setName($request->get('name'));
         $veterinary->setCrmv($request->get('crmv'));
         $veterinary->setAddress($address);
-
+        $veterinary->addClinic($clinic);
+        
+        $form = $this->createForm(VeterinaryType::class, $veterinary);
+        $form->submit($veterinary);
+        
         $entityManager = $this->getDoctrine()->getManager();
         $entityManager->persist($veterinary);
         $entityManager->flush();
         
-        return new JsonResponse(['msg' => 'Veterinary created whit success!'], Response::HTTP_OK);
+        $response = new JsonResponse(['msg'=>'Veterinary created whit success!'], Response::HTTP_CREATED);
+        
+        return $response;
     }
     
-    public function edit(Request $request, $veterinary)
+    public function edit(Request $request, Veterinary $veterinary)
     {
-        $clinic = $this->getDoctrine()->getRepository('App\Entity\Clinic')->find($request->get('clinic'));
-        
-        if (empty($veterinary)) {
-            return new JsonResponse(['msg' => 'Veterinary not found!'], Response::HTTP_NOT_FOUND);
-        }
-        
-        $address = $veterinary->getAddress();
+        $address = new Address();
         $address->setStreet($request->get('street'));
         $address->setNumber($request->get('number'));
         $address->setCity($request->get('city'));
         
+        $clinic = $this->getDoctrine()->getRepository('App\Entity\Clinic')
+            ->find($request->get('clinic'));
+
         $veterinary->setName($request->get('name'));
         $veterinary->setCrmv($request->get('crmv'));
-        $veterinary->addClinic($clinic);
         $veterinary->setAddress($address);
+        $veterinary->addClinic($clinic);
         
-        if (!empty($veterinary->getName())) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->flush();
-
-            return new JsonResponse(['msg' => 'Veterinary edited whit success!'], Response::HTTP_OK);
-        }
-
-        return new JsonResponse(['msg' => 'Check the empty fields'], Response::HTTP_NOT_ACCEPTABLE);
+        $form = $this->createForm(VeterinaryType::class, $veterinary);
+        $form->submit($veterinary);
+        
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->flush();
+        
+        $response = new JsonResponse(['msg'=>'Veterinary edited whit success!'], Response::HTTP_OK);
+        
+        return $response;
     }
 
-    public function delete($veterinary)
+    public function delete(Veterinary $veterinary)
     {
-        if (empty($veterinary)) {
-            return new JsonResponse(['msg' => 'Veterinary not found!'], Response::HTTP_NOT_FOUND);
-        }
-        
-        if (!empty($veterinary)) {
-            $entityManager = $this->getDoctrine()->getManager();
-            $entityManager->remove($veterinary);
-            $entityManager->flush();
-
-            return new JsonResponse(['msg' => 'Veterinary deleted whit success!'], Response::HTTP_OK);
-        }
+        $entityManager = $this->getDoctrine()->getManager();
+        $entityManager->remove($veterinary);
+        $entityManager->flush();
 
-        return new JsonResponse(['msg' => 'We could not find'], Response::HTTP_NOT_ACCEPTABLE);
+        $response = new JsonResponse(['msg'=>'Veterinary deleted whit success!'], Response::HTTP_OK);
+        
+        return $response;
     }
 }
diff --git a/src/Entity/Pet.php b/src/Entity/Pet.php
index b97623e..b283a01 100644
--- a/src/Entity/Pet.php
+++ b/src/Entity/Pet.php
@@ -68,7 +68,7 @@ public function getDateBirth(): ?\DateTimeInterface
     {
         return $this->dateBirth;
     }
-
+    
     public function setDateBirth(\DateTimeInterface $dateBirth): self
     {
         $this->dateBirth = $dateBirth;
diff --git a/src/Form/PetType.php b/src/Form/PetType.php
new file mode 100644
index 0000000..0fb046c
--- /dev/null
+++ b/src/Form/PetType.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Form;
+
+use App\Entity\Pet;
+use App\Entity\User;
+use App\Form\AddressType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\Extension\Core\Type\DateType;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class PetType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder)
+    {
+        $builder->add('name', TextType::class)
+            ->add('dateBirth', DateType::class, ['widget' => 'single_text'])
+            ->add('weight', TextType::class)
+            ->add('type', TextType::class)
+            ->add('breed', TextType::class)
+            ->add('owner', EntityType::class, [
+                'class' => User::class,
+                'choice_label' => 'userName',
+            ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'data_class' => Pet::class,
+        ]);
+    }
+}