diff --git a/internal/database/seed/seeder.go b/internal/database/seed/seeder.go
index afa2a308..e6f77b15 100644
--- a/internal/database/seed/seeder.go
+++ b/internal/database/seed/seeder.go
@@ -50,7 +50,7 @@ func Run(db *gorm.DB) error {
 			return err
 		}
 
-		projectFlocks, err := seedProjectFlocks(tx, adminID, flocks, areas, productCategories, fcrs, locations)
+		projectFlocks, err := seedProjectFlocks(tx, adminID, flocks, areas, fcrs, locations)
 		if err != nil {
 			return err
 		}
@@ -239,33 +239,33 @@ func seedFlocks(tx *gorm.DB, createdBy uint) (map[string]uint, error) {
 	return result, nil
 }
 
-func seedProjectFlocks(tx *gorm.DB, createdBy uint, flocks, areas, productCategories, fcrs, locations map[string]uint) (map[string]uint, error) {
+func seedProjectFlocks(tx *gorm.DB, createdBy uint, flocks, areas, fcrs, locations map[string]uint) (map[string]uint, error) {
 	seeds := []struct {
-		Key             string
-		Flock           string
-		Area            string
-		ProductCategory string
-		Fcr             string
-		Location        string
-		Period          int
+		Key      string
+		Flock    string
+		Area     string
+		Category utils.ProjectFlockCategory
+		Fcr      string
+		Location string
+		Period   int
 	}{
 		{
-			Key:             "Singaparna Period 1",
-			Flock:           "Flock Priangan",
-			Area:            "Priangan",
-			ProductCategory: "Day Old Chick",
-			Fcr:             "FCR Layer",
-			Location:        "Singaparna",
-			Period:          1,
+			Key:      "Singaparna Period 1",
+			Flock:    "Flock Priangan",
+			Area:     "Priangan",
+			Category: utils.ProjectFlockCategoryGrowing,
+			Fcr:      "FCR Layer",
+			Location: "Singaparna",
+			Period:   1,
 		},
 		{
-			Key:             "Cikaum Period 1",
-			Flock:           "Flock Banten",
-			Area:            "Banten",
-			ProductCategory: "Day Old Chick",
-			Fcr:             "FCR Layer",
-			Location:        "Cikaum",
-			Period:          1,
+			Key:      "Cikaum Period 1",
+			Flock:    "Flock Banten",
+			Area:     "Banten",
+			Category: utils.ProjectFlockCategoryGrowing,
+			Fcr:      "FCR Layer",
+			Location: "Cikaum",
+			Period:   1,
 		},
 	}
 
@@ -280,10 +280,6 @@ func seedProjectFlocks(tx *gorm.DB, createdBy uint, flocks, areas, productCatego
 		if !ok {
 			return nil, fmt.Errorf("area %s not seeded", seed.Area)
 		}
-		categoryID, ok := productCategories[seed.ProductCategory]
-		if !ok {
-			return nil, fmt.Errorf("product category %s not seeded", seed.ProductCategory)
-		}
 		fcrID, ok := fcrs[seed.Fcr]
 		if !ok {
 			return nil, fmt.Errorf("fcr %s not seeded", seed.Fcr)
@@ -294,17 +290,17 @@ func seedProjectFlocks(tx *gorm.DB, createdBy uint, flocks, areas, productCatego
 		}
 
 		var projectFlock entity.ProjectFlock
-		err := tx.Where("flock_id = ? AND area_id = ? AND product_category_id = ? AND fcr_id = ? AND location_id = ? AND period = ?",
-			flockID, areaID, categoryID, fcrID, locationID, seed.Period).First(&projectFlock).Error
+		err := tx.Where("flock_id = ? AND area_id = ? AND category = ? AND fcr_id = ? AND location_id = ? AND period = ?",
+			flockID, areaID, seed.Category, fcrID, locationID, seed.Period).First(&projectFlock).Error
 		if errors.Is(err, gorm.ErrRecordNotFound) {
 			projectFlock = entity.ProjectFlock{
-				FlockId:           flockID,
-				AreaId:            areaID,
-				ProductCategoryId: categoryID,
-				FcrId:             fcrID,
-				LocationId:        locationID,
-				Period:            seed.Period,
-				CreatedBy:         createdBy,
+				FlockId:    flockID,
+				AreaId:     areaID,
+				Category:   string(seed.Category),
+				FcrId:      fcrID,
+				LocationId: locationID,
+				Period:     seed.Period,
+				CreatedBy:  createdBy,
 			}
 			if err := tx.Create(&projectFlock).Error; err != nil {
 				return nil, err
@@ -313,12 +309,12 @@ func seedProjectFlocks(tx *gorm.DB, createdBy uint, flocks, areas, productCatego
 			return nil, err
 		} else {
 			if err := tx.Model(&entity.ProjectFlock{}).Where("id = ?", projectFlock.Id).Updates(map[string]any{
-				"flock_id":            flockID,
-				"area_id":             areaID,
-				"product_category_id": categoryID,
-				"fcr_id":              fcrID,
-				"location_id":         locationID,
-				"period":              seed.Period,
+				"flock_id":    flockID,
+				"area_id":     areaID,
+				"category":    string(seed.Category),
+				"fcr_id":      fcrID,
+				"location_id": locationID,
+				"period":      seed.Period,
 			}).Error; err != nil {
 				return nil, err
 			}
diff --git a/internal/entities/projectfloc.go b/internal/entities/projectfloc.go
index 2d581e84..47362d42 100644
--- a/internal/entities/projectfloc.go
+++ b/internal/entities/projectfloc.go
@@ -7,23 +7,22 @@ import (
 )
 
 type ProjectFlock struct {
-	Id                uint                  `gorm:"primaryKey"`
-	FlockId           uint                  `gorm:"not null;uniqueIndex:idx_project_flocks_flock_period,priority:1"`
-	AreaId            uint                  `gorm:"not null"`
-	ProductCategoryId uint                  `gorm:"not null"`
-	FcrId             uint                  `gorm:"not null"`
-	LocationId        uint                  `gorm:"not null"`
-	Period            int                   `gorm:"not null;uniqueIndex:idx_project_flocks_flock_period,priority:2"`
-	CreatedBy         uint                  `gorm:"not null"`
-	CreatedAt         time.Time             `gorm:"autoCreateTime"`
-	UpdatedAt         time.Time             `gorm:"autoUpdateTime"`
-	DeletedAt         gorm.DeletedAt        `gorm:"index" json:"-"`
-	Flock             Flock                 `gorm:"foreignKey:FlockId;references:Id"`
-	Area              Area                  `gorm:"foreignKey:AreaId;references:Id"`
-	ProductCategory   ProductCategory       `gorm:"foreignKey:ProductCategoryId;references:Id"`
-	Fcr               Fcr                   `gorm:"foreignKey:FcrId;references:Id"`
-	Location          Location              `gorm:"foreignKey:LocationId;references:Id"`
-	CreatedUser       User                  `gorm:"foreignKey:CreatedBy;references:Id"`
-	Kandangs          []Kandang             `gorm:"foreignKey:ProjectFlockId;references:Id"`
-	KandangHistory    []ProjectFlockKandang `gorm:"foreignKey:ProjectFlockId;references:Id"`
+	Id             uint                  `gorm:"primaryKey"`
+	FlockId        uint                  `gorm:"not null;uniqueIndex:project_flocks_flock_period_unique"`
+	AreaId         uint                  `gorm:"not null"`
+	Category       string                `gorm:"type:varchar(20);not null"`
+	FcrId          uint                  `gorm:"not null"`
+	LocationId     uint                  `gorm:"not null"`
+	Period         int                   `gorm:"not null;uniqueIndex:project_flocks_flock_period_unique"`
+	CreatedBy      uint                  `gorm:"not null"`
+	CreatedAt      time.Time             `gorm:"autoCreateTime"`
+	UpdatedAt      time.Time             `gorm:"autoUpdateTime"`
+	DeletedAt      gorm.DeletedAt        `gorm:"index" json:"-"`
+	Flock          Flock                 `gorm:"foreignKey:FlockId;references:Id"`
+	Area           Area                  `gorm:"foreignKey:AreaId;references:Id"`
+	Fcr            Fcr                   `gorm:"foreignKey:FcrId;references:Id"`
+	Location       Location              `gorm:"foreignKey:LocationId;references:Id"`
+	CreatedUser    User                  `gorm:"foreignKey:CreatedBy;references:Id"`
+	Kandangs       []Kandang             `gorm:"foreignKey:ProjectFlockId;references:Id"`
+	KandangHistory []ProjectFlockKandang `gorm:"foreignKey:ProjectFlockId;references:Id"`
 }
diff --git a/internal/modules/master/flocks/repositories/flock.repository.go b/internal/modules/master/flocks/repositories/flock.repository.go
index 12f269fc..006fe541 100644
--- a/internal/modules/master/flocks/repositories/flock.repository.go
+++ b/internal/modules/master/flocks/repositories/flock.repository.go
@@ -1,21 +1,30 @@
 package repository
 
 import (
-	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"context"
+
 	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 	"gorm.io/gorm"
 )
 
 type FlockRepository interface {
 	repository.BaseRepository[entity.Flock]
+	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
 }
 
 type FlockRepositoryImpl struct {
 	*repository.BaseRepositoryImpl[entity.Flock]
+	db *gorm.DB
 }
 
 func NewFlockRepository(db *gorm.DB) FlockRepository {
 	return &FlockRepositoryImpl{
 		BaseRepositoryImpl: repository.NewBaseRepository[entity.Flock](db),
+		db:                 db,
 	}
 }
+
+func (r *FlockRepositoryImpl) NameExists(ctx context.Context, name string, excludeID *uint) (bool, error) {
+	return repository.ExistsByName[entity.Flock](ctx, r.db, name, excludeID)
+}
diff --git a/internal/modules/master/flocks/services/flock.service.go b/internal/modules/master/flocks/services/flock.service.go
index 4c3c9b26..ad086920 100644
--- a/internal/modules/master/flocks/services/flock.service.go
+++ b/internal/modules/master/flocks/services/flock.service.go
@@ -2,6 +2,8 @@ package service
 
 import (
 	"errors"
+	"fmt"
+	"strings"
 
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 	repository "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/repositories"
@@ -79,8 +81,22 @@ func (s *flockService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entity.
 		return nil, err
 	}
 
+	name := strings.TrimSpace(req.Name)
+	if name == "" {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Name is required")
+	}
+
+	exists, err := s.Repository.NameExists(c.Context(), name, nil)
+	if err != nil {
+		s.Log.Errorf("Failed to check flock name: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check flock name")
+	}
+	if exists {
+		return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Flock with name %s already exists", name))
+	}
+
 	createBody := &entity.Flock{
-		Name:      req.Name,
+		Name:      name,
 		CreatedBy: 1,
 	}
 
@@ -100,7 +116,20 @@ func (s flockService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint) (
 	updateBody := make(map[string]any)
 
 	if req.Name != nil {
-		updateBody["name"] = *req.Name
+		name := strings.TrimSpace(*req.Name)
+		if name == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Name cannot be empty")
+		}
+
+		exists, err := s.Repository.NameExists(c.Context(), name, &id)
+		if err != nil {
+			s.Log.Errorf("Failed to check flock name: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check flock name")
+		}
+		if exists {
+			return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Flock with name %s already exists", name))
+		}
+		updateBody["name"] = name
 	}
 
 	if len(updateBody) == 0 {
diff --git a/internal/modules/production/project_flocks/dto/projectflock.dto.go b/internal/modules/production/project_flocks/dto/projectflock.dto.go
index a42caebf..fcf3d50c 100644
--- a/internal/modules/production/project_flocks/dto/projectflock.dto.go
+++ b/internal/modules/production/project_flocks/dto/projectflock.dto.go
@@ -4,75 +4,66 @@ import (
 	"time"
 
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	areaDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/areas/dto"
+	fcrDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/fcrs/dto"
+	flockDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/dto"
+	kandangDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/kandangs/dto"
+	locationDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/locations/dto"
 	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
 )
 
 type ProjectFlockBaseDTO struct {
-	Id uint `json:"id"`
-	// FlockId           uint `json:"flock_id"`
-	// AreaId            uint `json:"area_id"`
-	// ProductCategoryId uint `json:"product_category_id"`
-	// FcrId             uint `json:"fcr_id"`
-	// LocationId        uint `json:"location_id"`
-	Period int `json:"period"`
+	Id       uint                         `json:"id"`
+	Period   int                          `json:"period"`
+	Category string                       `json:"category"`
+	Flock    *flockDTO.FlockBaseDTO       `json:"flock"`
+	Area     *areaDTO.AreaBaseDTO         `json:"area"`
+	Fcr      *fcrDTO.FcrBaseDTO           `json:"fcr"`
+	Location *locationDTO.LocationBaseDTO `json:"location"`
 }
 
 func ToProjectFlockBaseDTO(e entity.ProjectFlock) ProjectFlockBaseDTO {
-	return ProjectFlockBaseDTO{
-		Id: e.Id,
-		// FlockId:           e.FlockId,
-		// AreaId:            e.AreaId,
-		// ProductCategoryId: e.ProductCategoryId,
-		// FcrId:             e.FcrId,
-		// LocationId:        e.LocationId,
-		Period: e.Period,
+	var flock *flockDTO.FlockBaseDTO
+	if e.Flock.Id != 0 {
+		mapped := flockDTO.ToFlockBaseDTO(e.Flock)
+		flock = &mapped
 	}
-}
 
-type FlockSummaryDTO struct {
-	Id   uint   `json:"id"`
-	Name string `json:"name"`
-}
+	var area *areaDTO.AreaBaseDTO
+	if e.Area.Id != 0 {
+		mapped := areaDTO.ToAreaBaseDTO(e.Area)
+		area = &mapped
+	}
 
-type AreaSummaryDTO struct {
-	Id   uint   `json:"id"`
-	Name string `json:"name"`
-}
+	var fcr *fcrDTO.FcrBaseDTO
+	if e.Fcr.Id != 0 {
+		mapped := fcrDTO.ToFcrBaseDTO(e.Fcr)
+		fcr = &mapped
+	}
 
-type ProductCategorySummaryDTO struct {
-	Id   uint   `json:"id"`
-	Name string `json:"name"`
-	Code string `json:"code"`
-}
+	var location *locationDTO.LocationBaseDTO
+	if e.Location.Id != 0 {
+		mapped := locationDTO.ToLocationBaseDTO(e.Location)
+		location = &mapped
+	}
 
-type FcrSummaryDTO struct {
-	Id   uint   `json:"id"`
-	Name string `json:"name"`
-}
-
-type LocationSummaryDTO struct {
-	Id      uint   `json:"id"`
-	Name    string `json:"name"`
-	Address string `json:"address"`
-}
-
-type KandangSummaryDTO struct {
-	Id     uint   `json:"id"`
-	Name   string `json:"name"`
-	Status string `json:"status"`
+	return ProjectFlockBaseDTO{
+		Id:       e.Id,
+		Period:   e.Period,
+		Category: e.Category,
+		Flock:    flock,
+		Area:     area,
+		Fcr:      fcr,
+		Location: location,
+	}
 }
 
 type ProjectFlockListDTO struct {
 	ProjectFlockBaseDTO
-	Flock           *FlockSummaryDTO           `json:"flock,omitempty"`
-	Area            *AreaSummaryDTO            `json:"area,omitempty"`
-	ProductCategory *ProductCategorySummaryDTO `json:"product_category,omitempty"`
-	Fcr             *FcrSummaryDTO             `json:"fcr,omitempty"`
-	Location        *LocationSummaryDTO        `json:"location,omitempty"`
-	Kandangs        []KandangSummaryDTO        `json:"kandangs,omitempty"`
-	CreatedUser     *userDTO.UserBaseDTO       `json:"created_user"`
-	CreatedAt       time.Time                  `json:"created_at"`
-	UpdatedAt       time.Time                  `json:"updated_at"`
+	Kandangs    []kandangDTO.KandangBaseDTO `json:"kandangs,omitempty"`
+	CreatedUser *userDTO.UserBaseDTO        `json:"created_user"`
+	CreatedAt   time.Time                   `json:"created_at"`
+	UpdatedAt   time.Time                   `json:"updated_at"`
 }
 
 type ProjectFlockDetailDTO struct {
@@ -80,8 +71,8 @@ type ProjectFlockDetailDTO struct {
 }
 
 type FlockPeriodSummaryDTO struct {
-	Flock      FlockSummaryDTO `json:"flock"`
-	NextPeriod int             `json:"next_period"`
+	Flock      flockDTO.FlockBaseDTO `json:"flock"`
+	NextPeriod int                   `json:"next_period"`
 }
 
 func ToProjectFlockListDTO(e entity.ProjectFlock) ProjectFlockListDTO {
@@ -91,62 +82,16 @@ func ToProjectFlockListDTO(e entity.ProjectFlock) ProjectFlockListDTO {
 		createdUser = &mapped
 	}
 
-	var flockSummary *FlockSummaryDTO
-	if e.Flock.Id != 0 {
-		summary := ToFlockSummaryDTO(e.Flock)
-		flockSummary = &summary
-	}
-
-	var areaSummary *AreaSummaryDTO
-	if e.Area.Id != 0 {
-		areaSummary = &AreaSummaryDTO{
-			Id:   e.Area.Id,
-			Name: e.Area.Name,
-		}
-	}
-
-	var categorySummary *ProductCategorySummaryDTO
-	if e.ProductCategory.Id != 0 {
-		categorySummary = &ProductCategorySummaryDTO{
-			Id:   e.ProductCategory.Id,
-			Name: e.ProductCategory.Name,
-			Code: e.ProductCategory.Code,
-		}
-	}
-
-	var fcrSummary *FcrSummaryDTO
-	if e.Fcr.Id != 0 {
-		fcrSummary = &FcrSummaryDTO{
-			Id:   e.Fcr.Id,
-			Name: e.Fcr.Name,
-		}
-	}
-
-	var locationSummary *LocationSummaryDTO
-	if e.Location.Id != 0 {
-		locationSummary = &LocationSummaryDTO{
-			Id:      e.Location.Id,
-			Name:    e.Location.Name,
-			Address: e.Location.Address,
-		}
-	}
-
-	kandangSummaries := make([]KandangSummaryDTO, len(e.Kandangs))
-	for i, kandang := range e.Kandangs {
-		kandangSummaries[i] = KandangSummaryDTO{
-			Id:     kandang.Id,
-			Name:   kandang.Name,
-			Status: kandang.Status,
+	var kandangSummaries []kandangDTO.KandangBaseDTO
+	if len(e.Kandangs) > 0 {
+		kandangSummaries = make([]kandangDTO.KandangBaseDTO, len(e.Kandangs))
+		for i, kandang := range e.Kandangs {
+			kandangSummaries[i] = kandangDTO.ToKandangBaseDTO(kandang)
 		}
 	}
 
 	return ProjectFlockListDTO{
 		ProjectFlockBaseDTO: ToProjectFlockBaseDTO(e),
-		Flock:               flockSummary,
-		Area:                areaSummary,
-		ProductCategory:     categorySummary,
-		Fcr:                 fcrSummary,
-		Location:            locationSummary,
 		Kandangs:            kandangSummaries,
 		CreatedAt:           e.CreatedAt,
 		UpdatedAt:           e.UpdatedAt,
@@ -168,16 +113,9 @@ func ToProjectFlockDetailDTO(e entity.ProjectFlock) ProjectFlockDetailDTO {
 	}
 }
 
-func ToFlockSummaryDTO(e entity.Flock) FlockSummaryDTO {
-	return FlockSummaryDTO{
-		Id:   e.Id,
-		Name: e.Name,
-	}
-}
-
 func ToFlockPeriodSummaryDTO(flock entity.Flock, next int) FlockPeriodSummaryDTO {
 	return FlockPeriodSummaryDTO{
-		Flock:      ToFlockSummaryDTO(flock),
+		Flock:      flockDTO.ToFlockBaseDTO(flock),
 		NextPeriod: next,
 	}
 }
diff --git a/internal/modules/production/project_flocks/services/projectflock.service.go b/internal/modules/production/project_flocks/services/projectflock.service.go
index 8af6e452..18f00b7d 100644
--- a/internal/modules/production/project_flocks/services/projectflock.service.go
+++ b/internal/modules/production/project_flocks/services/projectflock.service.go
@@ -67,7 +67,6 @@ func (s projectflockService) withRelations(db *gorm.DB) *gorm.DB {
 		Preload("CreatedUser").
 		Preload("Flock").
 		Preload("Area").
-		Preload("ProductCategory").
 		Preload("Fcr").
 		Preload("Location").
 		Preload("Kandangs")
@@ -115,15 +114,13 @@ func (s projectflockService) GetAll(c *fiber.Ctx, params *validation.Query) ([]e
 			db = db.
 				Joins("LEFT JOIN flocks ON flocks.id = project_flocks.flock_id").
 				Joins("LEFT JOIN areas ON areas.id = project_flocks.area_id").
-				Joins("LEFT JOIN product_categories ON product_categories.id = project_flocks.product_category_id").
 				Joins("LEFT JOIN fcrs ON fcrs.id = project_flocks.fcr_id").
 				Joins("LEFT JOIN locations ON locations.id = project_flocks.location_id").
 				Joins("LEFT JOIN users AS created_users ON created_users.id = project_flocks.created_by").
 				Where(`
 					LOWER(flocks.name) LIKE ?
 					OR LOWER(areas.name) LIKE ?
-					OR LOWER(product_categories.name) LIKE ?
-					OR LOWER(product_categories.code) LIKE ?
+					OR LOWER(project_flocks.category) LIKE ?
 					OR LOWER(fcrs.name) LIKE ?
 					OR LOWER(locations.name) LIKE ?
 					OR LOWER(locations.address) LIKE ?
@@ -146,7 +143,6 @@ func (s projectflockService) GetAll(c *fiber.Ctx, params *validation.Query) ([]e
 					likeQuery,
 					likeQuery,
 					likeQuery,
-					likeQuery,
 				)
 		}
 		for _, expr := range s.buildOrderExpressions(params.SortBy, params.SortOrder) {
@@ -179,6 +175,11 @@ func (s *projectflockService) CreateOne(c *fiber.Ctx, req *validation.Create) (*
 		return nil, err
 	}
 
+	category, ok := utils.NormalizeProjectFlockCategory(req.Category)
+	if !ok {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid category")
+	}
+
 	if len(req.KandangIds) == 0 {
 		return nil, fiber.NewError(fiber.StatusBadRequest, "kandang_ids is required")
 	}
@@ -186,7 +187,6 @@ func (s *projectflockService) CreateOne(c *fiber.Ctx, req *validation.Create) (*
 	if err := common.EnsureRelations(c.Context(),
 		common.RelationCheck{Name: "Flock", ID: &req.FlockId, Exists: relationExistsChecker[entity.Flock](s.Repository.DB())},
 		common.RelationCheck{Name: "Area", ID: &req.AreaId, Exists: relationExistsChecker[entity.Area](s.Repository.DB())},
-		common.RelationCheck{Name: "Product category", ID: &req.ProductCategoryId, Exists: relationExistsChecker[entity.ProductCategory](s.Repository.DB())},
 		common.RelationCheck{Name: "FCR", ID: &req.FcrId, Exists: relationExistsChecker[entity.Fcr](s.Repository.DB())},
 		common.RelationCheck{Name: "Location", ID: &req.LocationId, Exists: relationExistsChecker[entity.Location](s.Repository.DB())},
 	); err != nil {
@@ -224,13 +224,13 @@ func (s *projectflockService) CreateOne(c *fiber.Ctx, req *validation.Create) (*
 	}
 
 	createBody := &entity.ProjectFlock{
-		FlockId:           req.FlockId,
-		AreaId:            req.AreaId,
-		ProductCategoryId: req.ProductCategoryId,
-		FcrId:             req.FcrId,
-		LocationId:        req.LocationId,
-		Period:            nextPeriod,
-		CreatedBy:         1,
+		FlockId:    req.FlockId,
+		AreaId:     req.AreaId,
+		Category:   string(category),
+		FcrId:      req.FcrId,
+		LocationId: req.LocationId,
+		Period:     nextPeriod,
+		CreatedBy:  1,
 	}
 
 	if err := projectRepo.CreateOne(c.Context(), createBody, nil); err != nil {
@@ -289,13 +289,12 @@ func (s projectflockService) UpdateOne(c *fiber.Ctx, req *validation.Update, id
 			Exists: relationExistsChecker[entity.Area](s.Repository.DB()),
 		})
 	}
-	if req.ProductCategoryId != nil {
-		updateBody["product_category_id"] = *req.ProductCategoryId
-		relationChecks = append(relationChecks, common.RelationCheck{
-			Name:   "Product category",
-			ID:     req.ProductCategoryId,
-			Exists: relationExistsChecker[entity.ProductCategory](s.Repository.DB()),
-		})
+	if req.Category != nil {
+		if normalized, ok := utils.NormalizeProjectFlockCategory(*req.Category); ok {
+			updateBody["category"] = string(normalized)
+		} else {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid category")
+		}
 	}
 	if req.FcrId != nil {
 		updateBody["fcr_id"] = *req.FcrId
@@ -541,7 +540,10 @@ func (s projectflockService) attachKandangs(ctx context.Context, tx *gorm.DB, pr
 
 	if err := tx.Model(&entity.Kandang{}).
 		Where("id IN ?", kandangIDs).
-		Updates(map[string]any{"project_flock_id": projectFlockID}).Error; err != nil {
+		Updates(map[string]any{
+			"project_flock_id": projectFlockID,
+			"status":           string(utils.KandangStatusPengajuan),
+		}).Error; err != nil {
 		return fiber.NewError(fiber.StatusInternalServerError, "Failed to update kandangs")
 	}
 
diff --git a/internal/modules/production/project_flocks/validations/projectflock.validation.go b/internal/modules/production/project_flocks/validations/projectflock.validation.go
index 0d8d3a80..bbe957b6 100644
--- a/internal/modules/production/project_flocks/validations/projectflock.validation.go
+++ b/internal/modules/production/project_flocks/validations/projectflock.validation.go
@@ -1,32 +1,32 @@
 package validation
 
 type Create struct {
-	FlockId           uint   `json:"flock_id" validate:"required_strict,number,gt=0"`
-	AreaId            uint   `json:"area_id" validate:"required_strict,number,gt=0"`
-	ProductCategoryId uint   `json:"product_category_id" validate:"required_strict,number,gt=0"`
-	FcrId             uint   `json:"fcr_id" validate:"required_strict,number,gt=0"`
-	LocationId        uint   `json:"location_id" validate:"required_strict,number,gt=0"`
-	KandangIds        []uint `json:"kandang_ids" validate:"required,min=1,dive,gt=0"`
+	FlockId    uint   `json:"flock_id" validate:"required_strict,number,gt=0"`
+	AreaId     uint   `json:"area_id" validate:"required_strict,number,gt=0"`
+	Category   string `json:"category" validate:"required_strict,oneof=growing laying GROWING LAYING"`
+	FcrId      uint   `json:"fcr_id" validate:"required_strict,number,gt=0"`
+	LocationId uint   `json:"location_id" validate:"required_strict,number,gt=0"`
+	KandangIds []uint `json:"kandang_ids" validate:"required,min=1,dive,gt=0"`
 }
 
 type Update struct {
-	FlockId           *uint  `json:"flock_id,omitempty" validate:"omitempty,number,gt=0"`
-	AreaId            *uint  `json:"area_id,omitempty" validate:"omitempty,number,gt=0"`
-	ProductCategoryId *uint  `json:"product_category_id,omitempty" validate:"omitempty,number,gt=0"`
-	FcrId             *uint  `json:"fcr_id,omitempty" validate:"omitempty,number,gt=0"`
-	LocationId        *uint  `json:"location_id,omitempty" validate:"omitempty,number,gt=0"`
-	Period            *int   `json:"period,omitempty" validate:"omitempty,number,gt=0"`
-	KandangIds        []uint `json:"kandang_ids,omitempty" validate:"omitempty,min=1,dive,gt=0"`
+	FlockId    *uint   `json:"flock_id,omitempty" validate:"omitempty,number,gt=0"`
+	AreaId     *uint   `json:"area_id,omitempty" validate:"omitempty,number,gt=0"`
+	Category   *string `json:"category,omitempty" validate:"omitempty,oneof=growing laying GROWING LAYING"`
+	FcrId      *uint   `json:"fcr_id,omitempty" validate:"omitempty,number,gt=0"`
+	LocationId *uint   `json:"location_id,omitempty" validate:"omitempty,number,gt=0"`
+	Period     *int    `json:"period,omitempty" validate:"omitempty,number,gt=0"`
+	KandangIds []uint  `json:"kandang_ids,omitempty" validate:"omitempty,min=1,dive,gt=0"`
 }
 
 type Query struct {
-	Page      int    `query:"page" validate:"omitempty,number,min=1"`
-	Limit     int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
-	Search    string `query:"search" validate:"omitempty,max=50"`
-	SortBy    string `query:"sort_by" validate:"omitempty,oneof=area location kandangs period"`
-	SortOrder string `query:"sort_order" validate:"omitempty,oneof=asc desc"`
-	AreaId    uint   `query:"area_id" validate:"omitempty,number,gt=0"`
-	LocationId uint  `query:"location_id" validate:"omitempty,number,gt=0"`
-	Period    int    `query:"period" validate:"omitempty,number,gt=0"`
+	Page       int    `query:"page" validate:"omitempty,number,min=1"`
+	Limit      int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
+	Search     string `query:"search" validate:"omitempty,max=50"`
+	SortBy     string `query:"sort_by" validate:"omitempty,oneof=area location kandangs period"`
+	SortOrder  string `query:"sort_order" validate:"omitempty,oneof=asc desc"`
+	AreaId     uint   `query:"area_id" validate:"omitempty,number,gt=0"`
+	LocationId uint   `query:"location_id" validate:"omitempty,number,gt=0"`
+	Period     int    `query:"period" validate:"omitempty,number,gt=0"`
 	KandangIds []uint `query:"kandang_id" validate:"omitempty,dive,gt=0"`
 }
diff --git a/internal/utils/constant.go b/internal/utils/constant.go
index dbc06660..d780d2ae 100644
--- a/internal/utils/constant.go
+++ b/internal/utils/constant.go
@@ -59,7 +59,6 @@ var allFlagTypes = func() map[FlagType]struct{} {
 	return m
 }()
 
-
 func AllFlagTypes() map[FlagType]struct{} {
 	return allFlagTypes
 }
@@ -76,8 +75,6 @@ const (
 	WarehouseTypeKandang WarehouseType = "KANDANG"
 )
 
-
-
 // -------------------------------------------------------------------
 // WarehouseType
 // -------------------------------------------------------------------
@@ -100,19 +97,29 @@ const (
 	SupplierCategorySapronak SupplierCategory = "SAPRONAK"
 )
 
-
-
 // -------------------------------------------------------------------
-// Kandang Status 
+// Kandang Status
 // -------------------------------------------------------------------
 
 type KandangStatus string
 
 const (
-	KandangStatusNonActive    KandangStatus = "NON_ACTIVE"
-	KandangStatusPengajuan    KandangStatus = "PENGAJUAN"
-	KandangStatusActive       KandangStatus = "ACTIVE"
+	KandangStatusNonActive KandangStatus = "NON_ACTIVE"
+	KandangStatusPengajuan KandangStatus = "PENGAJUAN"
+	KandangStatusActive    KandangStatus = "ACTIVE"
 )
+
+// -------------------------------------------------------------------
+// ProjectFlockCategory
+// -------------------------------------------------------------------
+
+type ProjectFlockCategory string
+
+const (
+	ProjectFlockCategoryGrowing ProjectFlockCategory = "GROWING"
+	ProjectFlockCategoryLaying  ProjectFlockCategory = "LAYING"
+)
+
 // -------------------------------------------------------------------
 // Validators
 // -------------------------------------------------------------------
@@ -223,6 +230,21 @@ func IsValidCustomerSupplierType(v string) bool {
 	return false
 }
 
+func NormalizeProjectFlockCategory(v string) (ProjectFlockCategory, bool) {
+	normalized := ProjectFlockCategory(strings.ToUpper(strings.TrimSpace(v)))
+	switch normalized {
+	case ProjectFlockCategoryGrowing, ProjectFlockCategoryLaying:
+		return normalized, true
+	default:
+		return "", false
+	}
+}
+
+func IsValidProjectFlockCategory(v string) bool {
+	_, ok := NormalizeProjectFlockCategory(v)
+	return ok
+}
+
 func IsValidSupplierCategory(v string) bool {
 	switch SupplierCategory(v) {
 	case SupplierCategoryBOP, SupplierCategorySapronak:
diff --git a/test/integration/master_data/kandang_test.go b/test/integration/master_data/kandang_test.go
index 580196d4..6f7c5ce7 100644
--- a/test/integration/master_data/kandang_test.go
+++ b/test/integration/master_data/kandang_test.go
@@ -8,6 +8,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
 )
 
 func TestKandangIntegration(t *testing.T) {
@@ -51,20 +52,19 @@ func TestKandangIntegration(t *testing.T) {
 	})
 
 	t.Run("cannot assign project floc with existing active kandang", func(t *testing.T) {
-		categoryID := createProductCategory(t, app, "DOC Category", "DOC1")
 		fcrID := createFcr(t, app, "FCR For Floc", []map[string]any{
 			{"weight": 1.0, "fcr_number": 1.5, "mortality": 2.0},
 		})
 		flocID := createFlock(t, app, "Floc Test")
 
 		projectFloc := entities.ProjectFlock{
-			FlockId:           flocID,
-			AreaId:            areaID,
-			ProductCategoryId: categoryID,
-			FcrId:             fcrID,
-			LocationId:        locationID,
-			Period:            1,
-			CreatedBy:         1,
+			FlockId:    flocID,
+			AreaId:     areaID,
+			Category:   string(utils.ProjectFlockCategoryGrowing),
+			FcrId:      fcrID,
+			LocationId: locationID,
+			Period:     1,
+			CreatedBy:  1,
 		}
 		if err := db.Create(&projectFloc).Error; err != nil {
 			t.Fatalf("failed to seed project floc: %v", err)
diff --git a/test/integration/master_data/project_flock_test.go b/test/integration/master_data/project_flock_test.go
index c5e0442c..fbeb804c 100644
--- a/test/integration/master_data/project_flock_test.go
+++ b/test/integration/master_data/project_flock_test.go
@@ -19,19 +19,18 @@ func TestProjectFlockSummary(t *testing.T) {
 	areaID := createArea(t, app, "Area Project")
 	locationID := createLocation(t, app, "Location Project", "Address", areaID)
 	flockID := createFlock(t, app, "Flock Summary")
-	categoryID := createProductCategory(t, app, "DOC Summary", "DOCS")
 	fcrID := createFcr(t, app, "FCR Summary", []map[string]any{
 		{"weight": 1.0, "fcr_number": 1.5, "mortality": 2.0},
 	})
 	kandangID := createKandang(t, app, "Kandang Summary", locationID, 1)
 
 	createPayload := map[string]any{
-		"flock_id":            flockID,
-		"area_id":             areaID,
-		"product_category_id": categoryID,
-		"fcr_id":              fcrID,
-		"location_id":         locationID,
-		"kandang_ids":         []uint{kandangID},
+		"flock_id":    flockID,
+		"area_id":     areaID,
+		"category":    "growing",
+		"fcr_id":      fcrID,
+		"location_id": locationID,
+		"kandang_ids": []uint{kandangID},
 	}
 	resp, body := doJSONRequest(t, app, http.MethodPost, "/api/production/project_flocks", createPayload)
 	if resp.StatusCode != fiber.StatusCreated {
@@ -40,9 +39,10 @@ func TestProjectFlockSummary(t *testing.T) {
 
 	var createResp struct {
 		Data struct {
-			Id     uint `json:"id"`
-			Period int  `json:"period"`
-			Flock  struct {
+			Id       uint   `json:"id"`
+			Period   int    `json:"period"`
+			Category string `json:"category"`
+			Flock    struct {
 				Id   uint   `json:"id"`
 				Name string `json:"name"`
 			} `json:"flock"`
@@ -50,11 +50,6 @@ func TestProjectFlockSummary(t *testing.T) {
 				Id   uint   `json:"id"`
 				Name string `json:"name"`
 			} `json:"area"`
-			ProductCategory struct {
-				Id   uint   `json:"id"`
-				Name string `json:"name"`
-				Code string `json:"code"`
-			} `json:"product_category"`
 			Fcr struct {
 				Id   uint   `json:"id"`
 				Name string `json:"name"`
@@ -86,19 +81,27 @@ func TestProjectFlockSummary(t *testing.T) {
 	if createResp.Data.Area.Id != areaID || createResp.Data.Area.Name == "" {
 		t.Fatalf("expected area detail to be present, got %+v", createResp.Data.Area)
 	}
+	if createResp.Data.Category != string(utils.ProjectFlockCategoryGrowing) {
+		t.Fatalf("expected category to be %s, got %s", utils.ProjectFlockCategoryGrowing, createResp.Data.Category)
+	}
 	if createResp.Data.Location.Id != locationID || createResp.Data.Location.Name == "" {
 		t.Fatalf("expected location detail to be present, got %+v", createResp.Data.Location)
 	}
 	if len(createResp.Data.Kandangs) != 1 || createResp.Data.Kandangs[0].Id != kandangID {
 		t.Fatalf("expected kandang detail to be present, got %+v", createResp.Data.Kandangs)
 	}
-	if createResp.Data.Kandangs[0].Status == "" {
-		t.Fatalf("expected kandang status to be present, got %+v", createResp.Data.Kandangs[0])
+	if createResp.Data.Kandangs[0].Status != string(utils.KandangStatusPengajuan) {
+		t.Fatalf("expected kandang status to be PENGAJUAN, got %s", createResp.Data.Kandangs[0].Status)
 	}
 	if createResp.Data.Period != 1 {
 		t.Fatalf("expected period 1 to be assigned automatically, got %d", createResp.Data.Period)
 	}
 
+	createdKandang := fetchKandang(t, db, kandangID)
+	if createdKandang.Status != string(utils.KandangStatusPengajuan) {
+		t.Fatalf("expected kandang status in DB to be PENGAJUAN, got %s", createdKandang.Status)
+	}
+
 	var pivotRecords []entities.ProjectFlockKandang
 	if err := db.Where("project_flock_id = ?", createResp.Data.Id).Find(&pivotRecords).Error; err != nil {
 		t.Fatalf("failed to fetch pivot records: %v", err)
@@ -116,12 +119,12 @@ func TestProjectFlockSummary(t *testing.T) {
 
 	secondKandangID := createKandang(t, app, "Kandang Summary 2", locationID, 1)
 	secondPayload := map[string]any{
-		"flock_id":            flockID,
-		"area_id":             areaID,
-		"product_category_id": categoryID,
-		"fcr_id":              fcrID,
-		"location_id":         locationID,
-		"kandang_ids":         []uint{secondKandangID},
+		"flock_id":    flockID,
+		"area_id":     areaID,
+		"category":    "laying",
+		"fcr_id":      fcrID,
+		"location_id": locationID,
+		"kandang_ids": []uint{secondKandangID},
 	}
 	resp, body = doJSONRequest(t, app, http.MethodPost, "/api/production/project_flocks", secondPayload)
 	if resp.StatusCode != fiber.StatusCreated {
@@ -129,8 +132,9 @@ func TestProjectFlockSummary(t *testing.T) {
 	}
 	var createRespSecond struct {
 		Data struct {
-			Id     uint `json:"id"`
-			Period int  `json:"period"`
+			Id       uint   `json:"id"`
+			Period   int    `json:"period"`
+			Category string `json:"category"`
 		} `json:"data"`
 	}
 	if err := json.Unmarshal(body, &createRespSecond); err != nil {
@@ -139,6 +143,9 @@ func TestProjectFlockSummary(t *testing.T) {
 	if createRespSecond.Data.Period != 2 {
 		t.Fatalf("expected second period to be 2, got %d", createRespSecond.Data.Period)
 	}
+	if createRespSecond.Data.Category != string(utils.ProjectFlockCategoryLaying) {
+		t.Fatalf("expected category to be %s, got %s", utils.ProjectFlockCategoryLaying, createRespSecond.Data.Category)
+	}
 
 	pivotRecords = nil
 	if err := db.Where("project_flock_id = ?", createRespSecond.Data.Id).Find(&pivotRecords).Error; err != nil {
@@ -155,6 +162,11 @@ func TestProjectFlockSummary(t *testing.T) {
 		t.Fatalf("expected second pivot DetachedAt to be nil, got %v", secondPivotRecord.DetachedAt)
 	}
 
+	secondKandang := fetchKandang(t, db, secondKandangID)
+	if secondKandang.Status != string(utils.KandangStatusPengajuan) {
+		t.Fatalf("expected second kandang status in DB to be PENGAJUAN, got %s", secondKandang.Status)
+	}
+
 	resp, body = doJSONRequest(t, app, http.MethodGet, "/api/production/project_flocks/flocks/"+uintToString(flockID)+"/periods", nil)
 	if resp.StatusCode != fiber.StatusOK {
 		t.Fatalf("expected 200 when fetching summary, got %d: %s", resp.StatusCode, string(body))
@@ -202,7 +214,7 @@ func TestProjectFlockSummary(t *testing.T) {
 		t.Fatalf("expected 200 when deleting second project flock, got %d: %s", resp.StatusCode, string(body))
 	}
 
-	secondKandang := fetchKandang(t, db, secondKandangID)
+	secondKandang = fetchKandang(t, db, secondKandangID)
 	if secondKandang.ProjectFlockId != nil {
 		t.Fatalf("expected second project_flock_id to be nil after delete, got %v", *secondKandang.ProjectFlockId)
 	}
@@ -245,19 +257,18 @@ func TestProjectFlockSearchByRelatedFields(t *testing.T) {
 	areaID := createArea(t, app, "Area Search Target")
 	locationID := createLocation(t, app, "Location Search Target", "Location Address Target", areaID)
 	flockID := createFlock(t, app, "Flock Search Target")
-	categoryID := createProductCategory(t, app, "Category Search Target", "CATGT")
 	fcrID := createFcr(t, app, "FCR Search Target", []map[string]any{
 		{"weight": 1.0, "fcr_number": 1.5, "mortality": 2.0},
 	})
 	kandangID := createKandang(t, app, "Kandang Search Target", locationID, 1)
 
 	createPayload := map[string]any{
-		"flock_id":            flockID,
-		"area_id":             areaID,
-		"product_category_id": categoryID,
-		"fcr_id":              fcrID,
-		"location_id":         locationID,
-		"kandang_ids":         []uint{kandangID},
+		"flock_id":    flockID,
+		"area_id":     areaID,
+		"category":    "growing",
+		"fcr_id":      fcrID,
+		"location_id": locationID,
+		"kandang_ids": []uint{kandangID},
 	}
 
 	resp, body := doJSONRequest(t, app, http.MethodPost, "/api/production/project_flocks", createPayload)
@@ -277,8 +288,8 @@ func TestProjectFlockSearchByRelatedFields(t *testing.T) {
 	searchTerms := []string{
 		"Flock Search Target",
 		"Area Search Target",
-		"Category Search Target",
-		"CATGT",
+		string(utils.ProjectFlockCategoryGrowing),
+		"growing",
 		"FCR Search Target",
 		"Kandang Search Target",
 		"Location Search Target",
@@ -329,7 +340,6 @@ func TestProjectFlockSorting(t *testing.T) {
 	flockOne := createFlock(t, app, "Flock Sort One")
 	flockTwo := createFlock(t, app, "Flock Sort Two")
 
-	categoryID := createProductCategory(t, app, "Category Sort", "CSORT")
 	fcrID := createFcr(t, app, "FCR Sort", []map[string]any{
 		{"weight": 1.0, "fcr_number": 1.5, "mortality": 2.0},
 	})
@@ -339,12 +349,12 @@ func TestProjectFlockSorting(t *testing.T) {
 	kandangThree := createKandang(t, app, "Kandang Sort Three", locationB, 1)
 
 	projectOnePayload := map[string]any{
-		"flock_id":            flockOne,
-		"area_id":             areaA,
-		"product_category_id": categoryID,
-		"fcr_id":              fcrID,
-		"location_id":         locationA,
-		"kandang_ids":         []uint{kandangOne},
+		"flock_id":    flockOne,
+		"area_id":     areaA,
+		"category":    "growing",
+		"fcr_id":      fcrID,
+		"location_id": locationA,
+		"kandang_ids": []uint{kandangOne},
 	}
 	resp, body := doJSONRequest(t, app, http.MethodPost, "/api/production/project_flocks", projectOnePayload)
 	if resp.StatusCode != fiber.StatusCreated {
@@ -353,12 +363,12 @@ func TestProjectFlockSorting(t *testing.T) {
 	projectOneID := parseProjectFlockID(t, body)
 
 	projectTwoPayload := map[string]any{
-		"flock_id":            flockTwo,
-		"area_id":             areaB,
-		"product_category_id": categoryID,
-		"fcr_id":              fcrID,
-		"location_id":         locationB,
-		"kandang_ids":         []uint{kandangTwo, kandangThree},
+		"flock_id":    flockTwo,
+		"area_id":     areaB,
+		"category":    "laying",
+		"fcr_id":      fcrID,
+		"location_id": locationB,
+		"kandang_ids": []uint{kandangTwo, kandangThree},
 	}
 	resp, body = doJSONRequest(t, app, http.MethodPost, "/api/production/project_flocks", projectTwoPayload)
 	if resp.StatusCode != fiber.StatusCreated {