diff --git a/apps/herd/services/services.py b/apps/herd/services/services.py
index 04ca266..581636f 100644
--- a/apps/herd/services/services.py
+++ b/apps/herd/services/services.py
@@ -55,15 +55,15 @@ def rancher_quota_weight(rancher, inventory_entry: InventoryEntry):
 
     livestock_counts = get_rancher_statistics(rancher)
 
-    total_weight = Decimal(0)
+    total_weight = 0
     details = {}
 
     for alloc in allocations:
         animal_type = alloc.livestock_type.name
-        per_head = Decimal(alloc.quantity_kg)
+        per_head = alloc.quantity_kg
         count = livestock_counts.get(live_stock_meta.get(animal_type), 0)
 
-        weight = per_head * Decimal(count)
+        weight = per_head * count
         details[animal_type] = weight
         total_weight += weight
 
diff --git a/apps/product/migrations/0070_alter_quotalivestockallocation_quantity_kg.py b/apps/product/migrations/0070_alter_quotalivestockallocation_quantity_kg.py
new file mode 100644
index 0000000..c0c1103
--- /dev/null
+++ b/apps/product/migrations/0070_alter_quotalivestockallocation_quantity_kg.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2025-08-30 08:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0069_quota_group'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='quotalivestockallocation',
+            name='quantity_kg',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+    ]
diff --git a/apps/product/models.py b/apps/product/models.py
index dd3b1a6..1241704 100644
--- a/apps/product/models.py
+++ b/apps/product/models.py
@@ -497,7 +497,7 @@ class QuotaLivestockAllocation(BaseModel):
         null=True
     )
     livestock_subtype = models.CharField(max_length=20, choices=LivestockSubtype.choices, null=True)
-    quantity_kg = models.DecimalField(max_digits=12, decimal_places=2, null=True)
+    quantity_kg = models.PositiveBigIntegerField(default=0)
 
     """ 
     @using for set unique values between fields