diff --git a/src/Bovin/Dto/ReturnedDossiersDto.php b/src/Bovin/Dto/ReturnedDossiersDto.php
new file mode 100644
index 0000000..1822847
--- /dev/null
+++ b/src/Bovin/Dto/ReturnedDossiersDto.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Malio\EdnotifBundle\Bovin\Dto;
+
+use DateTimeImmutable;
+use Malio\EdnotifBundle\Shared\Dto\StandardResponseDto;
+
+final readonly class ReturnedDossiersDto
+{
+    /**
+     * @param list<AnimalSummaryDto> $animals
+     */
+    public function __construct(
+        public StandardResponseDto $standardResponse,
+        public int $nbBovins,
+        public ?DateTimeImmutable $startDate,
+        public array $animals,
+        public ?object $rawSoapResponse,
+    ) {}
+}
diff --git a/src/Bovin/Mapper/ReturnedDossiersMapper.php b/src/Bovin/Mapper/ReturnedDossiersMapper.php
new file mode 100644
index 0000000..29b2af5
--- /dev/null
+++ b/src/Bovin/Mapper/ReturnedDossiersMapper.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Malio\EdnotifBundle\Bovin\Mapper;
+
+use Malio\EdnotifBundle\Bovin\Dto\ReturnedDossiersDto;
+use Malio\EdnotifBundle\Shared\Mapper\StandardResponseMapper;
+
+final class ReturnedDossiersMapper
+{
+    use BovinNodeMappingTrait;
+
+    public function __construct(
+        private readonly AnimalSummaryMapper $animalSummaryMapper,
+        private readonly StandardResponseMapper $standardResponseMapper,
+    ) {}
+
+    public function map(object $soapResponse, ?object $unzippedMessage): ReturnedDossiersDto
+    {
+        $standardResponse = $this->standardResponseMapper->map($soapResponse->ReponseStandard ?? null);
+        $nbBovins         = $this->toNullableInt($soapResponse->ReponseSpecifique->NbBovins ?? null) ?? 0;
+
+        $startDate = null;
+        $animals   = [];
+
+        if (is_object($unzippedMessage)) {
+            $infoNode = $unzippedMessage->InformationsMessage ?? null;
+            if (is_object($infoNode)) {
+                $startDate = $this->toNullableDate($infoNode->DateDebut ?? null);
+            }
+
+            $bovinsNode = $unzippedMessage->Bovins->Bovin ?? null;
+            foreach ($this->normalizeToList($bovinsNode) as $bovinNode) {
+                if (!is_object($bovinNode)) {
+                    continue;
+                }
+                $animals[] = $this->animalSummaryMapper->map($bovinNode);
+            }
+        }
+
+        return new ReturnedDossiersDto(
+            standardResponse: $standardResponse,
+            nbBovins: $nbBovins,
+            startDate: $startDate,
+            animals: $animals,
+            rawSoapResponse: $soapResponse,
+        );
+    }
+}
diff --git a/tests/Unit/Bovin/Mapper/ReturnedDossiersMapperTest.php b/tests/Unit/Bovin/Mapper/ReturnedDossiersMapperTest.php
new file mode 100644
index 0000000..1158bd2
--- /dev/null
+++ b/tests/Unit/Bovin/Mapper/ReturnedDossiersMapperTest.php
@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Malio\EdnotifBundle\Tests\Unit\Bovin\Mapper;
+
+use DateTimeImmutable;
+use Malio\EdnotifBundle\Bovin\Dto\ReturnedDossiersDto;
+use Malio\EdnotifBundle\Bovin\Mapper\AnimalSummaryMapper;
+use Malio\EdnotifBundle\Bovin\Mapper\ReturnedDossiersMapper;
+use Malio\EdnotifBundle\Shared\Mapper\StandardResponseMapper;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\TestCase;
+use stdClass;
+
+/**
+ * @internal
+ */
+#[CoversClass(ReturnedDossiersMapper::class)]
+final class ReturnedDossiersMapperTest extends TestCase
+{
+    public function testMapReturnsAnimalsAndStartDate(): void
+    {
+        $mapper = new ReturnedDossiersMapper(new AnimalSummaryMapper(), new StandardResponseMapper());
+
+        $soapResponse                              = new stdClass();
+        $soapResponse->ReponseStandard             = new stdClass();
+        $soapResponse->ReponseStandard->Resultat   = true;
+        $soapResponse->ReponseSpecifique           = new stdClass();
+        $soapResponse->ReponseSpecifique->NbBovins = 1;
+
+        $message                                                      = new stdClass();
+        $message->InformationsMessage                                 = new stdClass();
+        $message->InformationsMessage->DateDebut                      = '2026-03-01';
+        $message->Bovins                                              = new stdClass();
+        $message->Bovins->Bovin                                       = new stdClass();
+        $message->Bovins->Bovin->IdentiteBovin                        = new stdClass();
+        $message->Bovins->Bovin->IdentiteBovin->Bovin                 = new stdClass();
+        $message->Bovins->Bovin->IdentiteBovin->Bovin->NumeroNational = 'FR789';
+        $message->Bovins->Bovin->PeriodesPresences                    = new stdClass();
+        $message->Bovins->Bovin->PeriodesPresences->PeriodePresence   = new stdClass();
+
+        $dto = $mapper->map($soapResponse, $message);
+
+        self::assertInstanceOf(ReturnedDossiersDto::class, $dto);
+        self::assertEquals(new DateTimeImmutable('2026-03-01'), $dto->startDate);
+        self::assertSame(1, $dto->nbBovins);
+        self::assertCount(1, $dto->animals);
+        self::assertSame('FR789', $dto->animals[0]->identification?->bovin?->nationalNumber);
+    }
+
+    public function testMapWithoutMessageReturnsEmptyAnimals(): void
+    {
+        $mapper = new ReturnedDossiersMapper(new AnimalSummaryMapper(), new StandardResponseMapper());
+
+        $soapResponse                              = new stdClass();
+        $soapResponse->ReponseStandard             = new stdClass();
+        $soapResponse->ReponseStandard->Resultat   = true;
+        $soapResponse->ReponseSpecifique           = new stdClass();
+        $soapResponse->ReponseSpecifique->NbBovins = 0;
+
+        $dto = $mapper->map($soapResponse, null);
+
+        self::assertSame(0, $dto->nbBovins);
+        self::assertSame([], $dto->animals);
+    }
+}