diff --git a/frontend/pages/infrastructure/case.vue b/frontend/pages/infrastructure/case.vue
index 18df4b2..7479157 100644
--- a/frontend/pages/infrastructure/case.vue
+++ b/frontend/pages/infrastructure/case.vue
@@ -74,6 +74,12 @@
                 <template #header-age>
                     <UiTextInput :model-value="''" placeholder="Age" size="compact" disabled />
                 </template>
+                <template #header-pricePerKg>
+                    <UiTextInput :model-value="''" placeholder="Prix/kg" size="compact" disabled />
+                </template>
+                <template #header-finalPrice>
+                    <UiTextInput :model-value="''" placeholder="Prix total" size="compact" disabled />
+                </template>
                 <template #header-breedCode>
                     <UiTextInput
                         v-model="filters.breedCode"
@@ -105,6 +111,12 @@
                 <template #cell-buildingCase.caseNumber="{ item }">
                     {{ item.buildingCase?.caseNumber ?? '—' }}
                 </template>
+                <template #cell-pricePerKg="{ item }">
+                    {{ formatPrice(item.pricePerKg) }}
+                </template>
+                <template #cell-finalPrice="{ item }">
+                    {{ formatPrice(item.finalPrice) }}
+                </template>
             </UiDataTable>
         </div>
     </div>
@@ -175,15 +187,17 @@ const arrivalDateFilter = singleDateFilter('arrivalDate[after]', 'arrivalDate[st
 const birthDateFilter = singleDateFilter('birthDate[after]', 'birthDate[strictly_before]')
 
 const columns = [
-    { key: 'nationalNumber', label: 'N° National', width: '160px' },
-    { key: 'workNumber', label: 'N° Travail', width: '85px' },
+    { key: 'nationalNumber', label: 'N° National', width: '80px' },
+    { key: 'workNumber', label: 'N° Travail', width: '43px' },
     { key: 'sex', label: 'Sexe', width: '70px' },
-    { key: 'birthDate', label: 'Né le', width: '120px' },
+    { key: 'birthDate', label: 'Né le', width: '72px' },
     { key: 'age', label: 'Age', width: '110px' },
-    { key: 'breedCode', label: 'Race' },
-    { key: 'buildingCase.building.label', label: 'Bâtiment', width: '1.5fr' },
-    { key: 'buildingCase.caseNumber', label: 'Case', width: '80px' },
-    { key: 'arrivalDate', label: 'Entrée le', width: '120px' }
+    { key: 'breedCode', label: 'Race', width: '70px' },
+    { key: 'buildingCase.building.label', label: 'Bâtiment', width: '75px' },
+    { key: 'buildingCase.caseNumber', label: 'Case', width: '60px' },
+    { key: 'arrivalDate', label: 'Entrée le', width: '90px' },
+    { key: 'pricePerKg', label: 'Prix/kg', width: '65px' },
+    { key: 'finalPrice', label: 'Prix total', width: '100px' }
 ]
 
 const title = computed(() => {
@@ -209,6 +223,11 @@ const formatDate = (date: string | null) => {
     })
 }
 
+const formatPrice = (price: number | null) => {
+    if (price === null || price === undefined) return '—'
+    return `${price.toLocaleString('fr-FR', { minimumFractionDigits: 2, maximumFractionDigits: 2 })} €`
+}
+
 const rowClass = (item: BovineData): string => {
     if (item.ageMonths === null || item.ageMonths === undefined) return ''
     if (item.ageMonths >= 24) return 'bg-violet-300 hover:bg-violet-400'
diff --git a/frontend/pages/inventory.vue b/frontend/pages/inventory.vue
index 6948db7..399acde 100644
--- a/frontend/pages/inventory.vue
+++ b/frontend/pages/inventory.vue
@@ -102,6 +102,12 @@
                 <template #header-age>
                     <UiTextInput :model-value="''" placeholder="Age" size="compact" disabled />
                 </template>
+                <template #header-pricePerKg>
+                    <UiTextInput :model-value="''" placeholder="Prix/kg" size="compact" disabled />
+                </template>
+                <template #header-finalPrice>
+                    <UiTextInput :model-value="''" placeholder="Prix total" size="compact" disabled />
+                </template>
                 <template #cell-birthDate="{ item }">
                     {{ formatDate(item.birthDate) }}
                 </template>
@@ -117,6 +123,12 @@
                 <template #cell-buildingCase.caseNumber="{ item }">
                     {{ item.buildingCase?.caseNumber ?? '—' }}
                 </template>
+                <template #cell-pricePerKg="{ item }">
+                    {{ formatPrice(item.pricePerKg) }}
+                </template>
+                <template #cell-finalPrice="{ item }">
+                    {{ formatPrice(item.finalPrice) }}
+                </template>
             </UiDataTable>
         </div>
     </div>
@@ -256,15 +268,17 @@ const arrivalDateFilter = singleDateFilter('arrivalDate[after]', 'arrivalDate[st
 const birthDateFilter = singleDateFilter('birthDate[after]', 'birthDate[strictly_before]')
 
 const columns = [
-    { key: 'nationalNumber', label: 'N° National', width: '160px' },
-    { key: 'workNumber', label: 'N° Travail', width: '85px' },
+    { key: 'nationalNumber', label: 'N° National', width: '80px' },
+    { key: 'workNumber', label: 'N° Travail', width: '43px' },
     { key: 'sex', label: 'Sexe', width: '70px' },
-    { key: 'birthDate', label: 'Né le', width: '120px' },
+    { key: 'birthDate', label: 'Né le', width: '72px' },
     { key: 'age', label: 'Age', width: '110px' },
-    { key: 'breedCode', label: 'Race' },
-    { key: 'buildingCase.building.label', label: 'Bâtiment', width: '1.5fr' },
-    { key: 'buildingCase.caseNumber', label: 'Case', width: '80px' },
-    { key: 'arrivalDate', label: 'Entrée le', width: '120px' }
+    { key: 'breedCode', label: 'Race', width: '70px' },
+    { key: 'buildingCase.building.label', label: 'Bâtiment', width: '75px' },
+    { key: 'buildingCase.caseNumber', label: 'Case', width: '60px' },
+    { key: 'arrivalDate', label: 'Entrée le', width: '90px' },
+    { key: 'pricePerKg', label: 'Prix/kg', width: '65px' },
+    { key: 'finalPrice', label: 'Prix total', width: '100px' }
 ]
 
 const formatDate = (date: string | null) => {
@@ -278,6 +292,11 @@ const formatDate = (date: string | null) => {
     })
 }
 
+const formatPrice = (price: number | null) => {
+    if (price === null || price === undefined) return '—'
+    return `${price.toLocaleString('fr-FR', { minimumFractionDigits: 2, maximumFractionDigits: 2 })} €`
+}
+
 const rowClass = (item: BovineData): string => {
     if (item.ageMonths === null || item.ageMonths === undefined) return ''
     if (item.ageMonths >= 24) return 'bg-violet-300 hover:bg-violet-400'
diff --git a/frontend/services/dto/bovine-data.ts b/frontend/services/dto/bovine-data.ts
index db5d857..06b250f 100644
--- a/frontend/services/dto/bovine-data.ts
+++ b/frontend/services/dto/bovine-data.ts
@@ -7,6 +7,8 @@ export interface BovineData {
     id: number
     nationalNumber: string
     receivedWeight: number | null
+    pricePerKg: number | null
+    finalPrice: number | null
     arrivalDate: string | null
     exitDate: string | null
     buildingCase: BovineBuildingCaseRef | null
@@ -22,6 +24,7 @@ export interface BovineData {
 export type BovinePayload = {
     nationalNumber?: string
     receivedWeight?: number | null
+    pricePerKg?: number | null
     arrivalDate?: string | null
     buildingCase?: string | null
     supplier?: string | null
diff --git a/migrations/Version20260424132554.php b/migrations/Version20260424132554.php
new file mode 100644
index 0000000..b8afa70
--- /dev/null
+++ b/migrations/Version20260424132554.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260424132554 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE bovine ADD price_per_kg DOUBLE PRECISION DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE bovine DROP price_per_kg');
+    }
+}
diff --git a/src/Entity/Bovine.php b/src/Entity/Bovine.php
index 25d59a4..0c7cd09 100644
--- a/src/Entity/Bovine.php
+++ b/src/Entity/Bovine.php
@@ -77,6 +77,10 @@ class Bovine
     #[Groups(['bovine:read', 'bovine:write', 'building_case:read'])]
     private ?int $receivedWeight = null;
 
+    #[ORM\Column(type: 'float', nullable: true)]
+    #[Groups(['bovine:read', 'bovine:write', 'building_case:read'])]
+    private ?float $pricePerKg = null;
+
     #[ORM\Column(type: 'date_immutable', nullable: true)]
     #[Groups(['bovine:read', 'bovine:write', 'building_case:read'])]
     #[Context([DateTimeNormalizer::FORMAT_KEY => 'Y-m-d'])]
@@ -151,6 +155,28 @@ class Bovine
         return $this;
     }
 
+    public function getPricePerKg(): ?float
+    {
+        return $this->pricePerKg;
+    }
+
+    public function setPricePerKg(?float $pricePerKg): static
+    {
+        $this->pricePerKg = $pricePerKg;
+
+        return $this;
+    }
+
+    #[Groups(['bovine:read', 'building_case:read'])]
+    public function getFinalPrice(): ?float
+    {
+        if (null === $this->receivedWeight || null === $this->pricePerKg) {
+            return null;
+        }
+
+        return $this->receivedWeight * $this->pricePerKg;
+    }
+
     public function getArrivalDate(): ?DateTimeImmutable
     {
         return $this->arrivalDate;