diff --git a/ecs/jskult-webapp/src/controller/bio.py b/ecs/jskult-webapp/src/controller/bio.py
index 7d4d8274..fc601bc1 100644
--- a/ecs/jskult-webapp/src/controller/bio.py
+++ b/ecs/jskult-webapp/src/controller/bio.py
@@ -1,17 +1,22 @@
+import datetime
 from typing import Optional
 
 from fastapi import APIRouter, Depends, HTTPException, Request
+from fastapi.encoders import jsonable_encoder
+from fastapi.responses import JSONResponse
 from starlette import status
 
 from src.depends.services import get_service
 from src.logging.get_logger import get_logger
+from src.model.db.bio_sales_lot import BioSalesLotDBModel
 from src.model.internal.session import UserSession
 from src.model.request.bio import BioModel
 from src.model.view.bio_view_model import BioViewModel
 from src.router.session_router import AuthenticatedRoute
 from src.services.batch_status_service import BatchStatusService
 from src.services.bio_view_service import BioViewService
-from src.system_var import constants
+from src.services.session_service import set_session
+from src.system_var import constants, environment
 from src.templates import templates
 
 router = APIRouter()
@@ -97,4 +102,41 @@ def search_bio_ajax(
     bio_sales_lot_data = bio_service.search_bio_data(bio_form)
     bio_sales_lot_count = bio_service.count_bio_data(bio_form, session)
 
-    return {'data': bio_sales_lot_data, 'count': bio_sales_lot_count}
+    # セッション書き換え
+    session.update(
+        actions=[
+            UserSession.last_access_time.set(UserSession.new_last_access_time()),
+            UserSession.record_expiration_time.set(UserSession.new_record_expiration_time()),
+        ]
+    )
+    set_session(session)
+
+    def custom_encode(obj):
+        encoded_obj = obj.model_dump()
+        for key, value in encoded_obj.items():
+            if type(value) == datetime.datetime:
+                encoded_obj[key] = value.strftime("%Y-%m-%d %H:%M:%S") if obj is not None else ''
+            if type(value) == datetime.date:
+                encoded_obj[key] = value.strftime("%Y-%m-%d") if obj is not None else ''
+            print(key, value)
+        return encoded_obj
+
+    data = jsonable_encoder(
+        bio_sales_lot_data,
+        custom_encoder={
+            BioSalesLotDBModel: custom_encode
+        }
+    )
+    # クッキーも書き換え
+    json_response = JSONResponse(content={
+        'data': data,
+        'count': bio_sales_lot_count
+    })
+    json_response.set_cookie(
+        key='session',
+        value=session.session_key,
+        max_age=environment.SESSION_EXPIRE_MINUTE * 60,  # cookieの有効期限は秒数指定なので、60秒をかける
+        secure=True,
+        httponly=True
+    )
+    return json_response
diff --git a/ecs/jskult-webapp/src/model/view/bio_disp_model.py b/ecs/jskult-webapp/src/model/view/bio_disp_model.py
index f0b6107e..aafa7864 100644
--- a/ecs/jskult-webapp/src/model/view/bio_disp_model.py
+++ b/ecs/jskult-webapp/src/model/view/bio_disp_model.py
@@ -3,6 +3,6 @@ from src.util.sanitize import sanitize
 
 
 @sanitize
-class BisDisplayModel(BioSalesLotDBModel):
+class BioDisplayModel(BioSalesLotDBModel):
     def __init__(self, param: BioSalesLotDBModel) -> None:
         super().__init__(**param.model_dump())
diff --git a/ecs/jskult-webapp/src/model/view/bio_view_model.py b/ecs/jskult-webapp/src/model/view/bio_view_model.py
index 11d18663..4f257508 100644
--- a/ecs/jskult-webapp/src/model/view/bio_view_model.py
+++ b/ecs/jskult-webapp/src/model/view/bio_view_model.py
@@ -8,7 +8,7 @@ from pydantic import BaseModel
 from src.model.db.pharmacy_product_master import PharmacyProductMasterModel
 from src.model.db.wholesaler_master import WholesalerMasterModel
 from src.model.request.bio import BioModel
-from src.model.view.bio_disp_model import BisDisplayModel
+from src.model.view.bio_disp_model import BioDisplayModel
 from src.system_var import environment
 
 
@@ -17,7 +17,7 @@ class BioViewModel(BaseModel):
     user_id: str
     whs_models: list[WholesalerMasterModel]
     phm_models: list[PharmacyProductMasterModel]
-    bio_data: Optional[list[BisDisplayModel]] = None
+    bio_data: Optional[list[BioDisplayModel]] = None
     form_data: BioModel = None
     excel_max_lines: int = str(environment.BIO_EXCEL_RESULT_MAX_COUNT)
 
diff --git a/ecs/jskult-webapp/src/services/bio_view_service.py b/ecs/jskult-webapp/src/services/bio_view_service.py
index 2436e994..9e3eba80 100644
--- a/ecs/jskult-webapp/src/services/bio_view_service.py
+++ b/ecs/jskult-webapp/src/services/bio_view_service.py
@@ -11,7 +11,7 @@ from src.aws.s3 import S3Client
 from src.logging.get_logger import get_logger
 from src.model.internal.session import UserSession
 from src.model.request.bio import BioModel
-from src.model.view.bio_disp_model import BisDisplayModel
+from src.model.view.bio_disp_model import BioDisplayModel
 from src.model.view.bio_view_model import BioViewModel
 from src.repositories.base_repository import BaseRepository
 from src.repositories.bio_sales_lot_repository import BioSalesLotRepository
@@ -65,13 +65,13 @@ class BioViewService(BaseService):
 
     def search_bio_data(self, search_params: BioModel):
         # 生物由来データを検索
-        bio_sales_view_data = self.bio_sales_repository.fetch_many(parameter=search_params)
+        bio_sales_lot_data = self.bio_sales_repository.fetch_many(parameter=search_params)
         # 画面表示用に加工
-        display_bio_data: list[BisDisplayModel] = [BisDisplayModel(data) for data in bio_sales_view_data]
+        display_bio_data: list[BioDisplayModel] = [BioDisplayModel(data) for data in bio_sales_lot_data]
 
         return display_bio_data
 
-    def count_bio_data(self, search_params: BioModel, session: UserSession):
+    def count_bio_data(self, search_params: BioModel, session: UserSession) -> int:
         # 生物由来データの件数を取得
         bio_sales_data_count = self.bio_sales_repository.fetch_count(parameter=search_params)
         return bio_sales_data_count