diff --git a/apps/tag/services/tag_batch_service.py b/apps/tag/services/tag_batch_service.py
new file mode 100644
index 0000000..964b686
--- /dev/null
+++ b/apps/tag/services/tag_batch_service.py
@@ -0,0 +1,22 @@
+from apps.authentication.models import Organization
+from apps.authentication.services.service import get_all_org_child
+from apps.tag.models import TagBatch
+
+
+class TagBatchService:
+    """
+    services of tag batch
+    """
+
+    def main_dashboard(self, org: Organization = None):
+        """
+        dashboard data of batch main page
+        """
+
+        tag_batches = TagBatch.objects.select_related('organization').prefetch_related('tag')
+
+        if org.type.key != 'ADM':
+            # get batches with org & their child
+            child_org = get_all_org_child(org)
+            child_org.append(org)
+            tag_batches = tag_batches.filter(organization_id__in=[child.id for child in child_org])
diff --git a/apps/tag/services/tag_distribution_services.py b/apps/tag/services/tag_distribution_services.py
index 5a99304..308a254 100644
--- a/apps/tag/services/tag_distribution_services.py
+++ b/apps/tag/services/tag_distribution_services.py
@@ -191,12 +191,14 @@ class TagDistributionService:
         species = LiveStockSpecies.objects.values('value')
 
         for spec in species:
-            items_list.append({
-                spec.get('value'): distributions.aggregate(
-                    dist_count=Count('id', filter=Q(species_code=spec.get('value'))),
-                    tag_count=Sum('distributed_number', filter=Q(species_code=spec.get('value')))
-                ),
-            })
+            dist_data = distributions.aggregate(
+                dist_count=Count('id', filter=Q(species_code=spec.get('value'))),
+                tag_count=Coalesce(
+                    Sum('distributed_number', filter=Q(species_code=spec.get('value'))), 0
+                )
+            )
+            dist_data.update({'species_code': spec.get('value')})  # add species code to data
+            items_list.append(dist_data)
 
         data.update({'items': items_list})