diff --git a/apps/authentication/api/v1/serializers/serializer.py b/apps/authentication/api/v1/serializers/serializer.py
index d6adb26..4589779 100644
--- a/apps/authentication/api/v1/serializers/serializer.py
+++ b/apps/authentication/api/v1/serializers/serializer.py
@@ -140,7 +140,7 @@ class UserSerializer(serializers.ModelSerializer):
         instance.address = validated_data.get('address')
         instance.photo = validated_data.get('photo')
         instance.province = validated_data.get('province', instance.province)
-        instance.city = validated_data.get('province', instance.province)
+        instance.city = validated_data.get('city', instance.city)
         instance.otp_status = validated_data.get('otp_status')
         instance.save()
 
diff --git a/apps/herd/web/api/v1/api.py b/apps/herd/web/api/v1/api.py
index 88e5c21..821d5df 100644
--- a/apps/herd/web/api/v1/api.py
+++ b/apps/herd/web/api/v1/api.py
@@ -107,7 +107,7 @@ class RancherViewSet(viewsets.ModelViewSet, DynamicSearchMixin):
     def list(self, request, *args, **kwargs):
         """ list of ranchers """
 
-        search = self.filter_query(self.queryset)  # search & filter
+        search = self.filter_query(self.queryset.order_by('-modify_date'))  # search & filter
         page = self.paginate_queryset(search)
         if page is not None:
             serializer = self.get_serializer(page, many=True)
@@ -116,6 +116,18 @@ class RancherViewSet(viewsets.ModelViewSet, DynamicSearchMixin):
     @action(
         methods=['get'],
         detail=True,
+        url_path='herds',
+        url_name='herds',
+        name='herds'
     )
-    def herds_by_rancher(self, request):
-        pass
+    def herds_by_rancher(self, request, pk=None):
+        """ list of rancher herds """
+
+        rancher = self.get_object()
+        queryset = rancher.herd.all()  # get rancher herds
+
+        # paginate queryset
+        page = self.paginate_queryset(queryset)
+        if page is not None:
+            serializer = HerdSerializer(page, many=True)
+            return self.get_paginated_response(serializer.data)
diff --git a/apps/herd/web/api/v1/serializers.py b/apps/herd/web/api/v1/serializers.py
index a7f4293..75bccb8 100644
--- a/apps/herd/web/api/v1/serializers.py
+++ b/apps/herd/web/api/v1/serializers.py
@@ -18,11 +18,12 @@ class HerdSerializer(serializers.ModelSerializer):
         """ Customize serializer output """
         representation = super().to_representation(instance)
         if isinstance(instance, Herd):
-            representation['owner'] = UserSerializer(instance.owner).data
+            representation['owner'] = instance.owner.id
             representation['cooperative'] = OrganizationSerializer(instance.cooperative).data
             representation['province'] = ProvinceSerializer(instance.province).data
             representation['city'] = CitySerializer(instance.city).data
             representation['contractor'] = OrganizationSerializer(instance.contractor).data
+            representation['rancher'] = RancherSerializer(instance.rancher).data
 
         return representation
 
@@ -33,6 +34,8 @@ class RancherSerializer(serializers.ModelSerializer):
         fields = '__all__'
 
     def to_representation(self, instance):
+        """ customize output of serializer """
+
         representation = super().to_representation(instance)
 
         representation['province'] = {