diff --git a/server-go/cmd/server/main.go b/server-go/cmd/server/main.go
index 97f453d..bf3c603 100644
--- a/server-go/cmd/server/main.go
+++ b/server-go/cmd/server/main.go
@@ -109,6 +109,7 @@ func main() {
 	handler.RegisterStorageRoutes(api, db)
 	handler.RegisterKnowledgeRoutes(api, db, s3Svc, cfg.S3BucketImages)
 	handler.RegisterInspectionRoutes(api, db, s3Svc, aiSvc, cfg.S3BucketImages)
+	handler.RegisterTrayBatchRoutes(api, db)
 
 	// 启动后台设备状态同步（每 30 秒查询 WVP 设备在线状态）
 	go startDeviceStatusSync(db, mediaSvc)
diff --git a/server-go/internal/database/db.go b/server-go/internal/database/db.go
index 6b09c76..5130800 100644
--- a/server-go/internal/database/db.go
+++ b/server-go/internal/database/db.go
@@ -29,6 +29,7 @@ func Init(cfg *config.Config) error {
 		&model.Permission{}, &model.RolePermission{},
 		&model.Disease{}, &model.KnowledgeArticle{},
 		&model.InspectionRecord{},
+		&model.Tray{}, &model.Batch{}, &model.RearingRecord{},
 	); err != nil {
 		slog.Warn("自动迁移有警告（可忽略）", "err", err)
 	}
diff --git a/server-go/internal/handler/tray_batch.go b/server-go/internal/handler/tray_batch.go
new file mode 100644
index 0000000..75d0188
--- /dev/null
+++ b/server-go/internal/handler/tray_batch.go
@@ -0,0 +1,263 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"silk-server-go/internal/middleware"
+	"silk-server-go/internal/model"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+// RegisterTrayBatchRoutes 注册蚕匾/批次/饲养记录路由
+func RegisterTrayBatchRoutes(rg *gin.RouterGroup, db *gorm.DB) {
+	trayRead := middleware.RequirePermission(db, "tray:read")
+	trayWrite := middleware.RequirePermission(db, "tray:write")
+	batchRead := middleware.RequirePermission(db, "batch:read")
+	batchWrite := middleware.RequirePermission(db, "batch:write")
+	rearingRead := middleware.RequirePermission(db, "rearing:read")
+	rearingWrite := middleware.RequirePermission(db, "rearing:write")
+
+	rg.GET("/trays", trayRead, listTrays(db))
+	rg.POST("/trays", trayWrite, createTray(db))
+	rg.PATCH("/trays/:id", trayWrite, updateTray(db))
+	rg.DELETE("/trays/:id", trayWrite, deleteTray(db))
+
+	rg.GET("/batches", batchRead, listBatches(db))
+	rg.POST("/batches", batchWrite, createBatch(db))
+	rg.PATCH("/batches/:id", batchWrite, updateBatch(db))
+	rg.DELETE("/batches/:id", batchWrite, deleteBatch(db))
+
+	rg.GET("/rearing-records", rearingRead, listRearingRecords(db))
+	rg.POST("/rearing-records", rearingWrite, createRearingRecord(db))
+	rg.PATCH("/rearing-records/:id", rearingWrite, updateRearingRecord(db))
+	rg.DELETE("/rearing-records/:id", rearingWrite, deleteRearingRecord(db))
+}
+
+// ---------- 蚕匾 ----------
+
+func listTrays(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		q := db.Model(&model.Tray{})
+		if room := c.Query("roomId"); room != "" {
+			q = q.Where("room_id = ?", room)
+		}
+		if enabled := c.Query("enabled"); enabled != "" {
+			q = q.Where("enabled = ?", enabled == "true")
+		}
+		var list []model.Tray
+		q.Order("name ASC").Find(&list)
+		c.JSON(http.StatusOK, list)
+	}
+}
+
+func createTray(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var t model.Tray
+		if err := c.ShouldBindJSON(&t); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		t.ID = ""
+		if t.Name == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "蚕匾名称不能为空"})
+			return
+		}
+		if !isUUID(t.RoomID) {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "roomId 不是合法的 UUID"})
+			return
+		}
+		if err := db.Create(&t).Error; err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "创建失败"})
+			return
+		}
+		c.JSON(http.StatusCreated, t)
+	}
+}
+
+func updateTray(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var t model.Tray
+		if db.Where("id = ?", id).First(&t).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "tray not found"})
+			return
+		}
+		updates, err := bindUpdates(c)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if len(updates) > 0 {
+			db.Model(&model.Tray{}).Where("id = ?", id).Updates(updates)
+		}
+		db.Where("id = ?", id).First(&t)
+		c.JSON(http.StatusOK, t)
+	}
+}
+
+func deleteTray(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var t model.Tray
+		if db.Where("id = ?", id).First(&t).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "tray not found"})
+			return
+		}
+		db.Where("id = ?", id).Delete(&model.Tray{})
+		c.JSON(http.StatusOK, gin.H{"id": id})
+	}
+}
+
+// ---------- 批次 ----------
+
+func listBatches(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		q := db.Model(&model.Batch{})
+		if room := c.Query("roomId"); room != "" {
+			q = q.Where("room_id = ?", room)
+		}
+		if status := c.Query("status"); status != "" {
+			q = q.Where("status = ?", status)
+		}
+		var list []model.Batch
+		q.Order("created_at DESC").Find(&list)
+		c.JSON(http.StatusOK, list)
+	}
+}
+
+func createBatch(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var b model.Batch
+		if err := c.ShouldBindJSON(&b); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		b.ID = ""
+		if b.Name == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "批次名称不能为空"})
+			return
+		}
+		if !isUUID(b.RoomID) {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "roomId 不是合法的 UUID"})
+			return
+		}
+		if b.Status == "" {
+			b.Status = "rearing"
+		}
+		if err := db.Create(&b).Error; err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "创建失败"})
+			return
+		}
+		c.JSON(http.StatusCreated, b)
+	}
+}
+
+func updateBatch(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var b model.Batch
+		if db.Where("id = ?", id).First(&b).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "batch not found"})
+			return
+		}
+		updates, err := bindUpdates(c)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if len(updates) > 0 {
+			db.Model(&model.Batch{}).Where("id = ?", id).Updates(updates)
+		}
+		db.Where("id = ?", id).First(&b)
+		c.JSON(http.StatusOK, b)
+	}
+}
+
+func deleteBatch(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var b model.Batch
+		if db.Where("id = ?", id).First(&b).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "batch not found"})
+			return
+		}
+		// 级联删除饲养记录
+		db.Where("batch_id = ?", id).Delete(&model.RearingRecord{})
+		db.Where("id = ?", id).Delete(&model.Batch{})
+		c.JSON(http.StatusOK, gin.H{"id": id})
+	}
+}
+
+// ---------- 饲养记录 ----------
+
+func listRearingRecords(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		q := db.Model(&model.RearingRecord{})
+		if batch := c.Query("batchId"); batch != "" {
+			q = q.Where("batch_id = ?", batch)
+		}
+		var list []model.RearingRecord
+		q.Order("record_date DESC").Find(&list)
+		c.JSON(http.StatusOK, list)
+	}
+}
+
+func createRearingRecord(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var r model.RearingRecord
+		if err := c.ShouldBindJSON(&r); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		r.ID = ""
+		if !isUUID(r.BatchID) {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "batchId 不是合法的 UUID"})
+			return
+		}
+		if r.RecordDate.IsZero() {
+			r.RecordDate = time.Now()
+		}
+		if err := db.Create(&r).Error; err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "创建失败"})
+			return
+		}
+		c.JSON(http.StatusCreated, r)
+	}
+}
+
+func updateRearingRecord(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var r model.RearingRecord
+		if db.Where("id = ?", id).First(&r).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "rearing record not found"})
+			return
+		}
+		updates, err := bindUpdates(c)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if len(updates) > 0 {
+			db.Model(&model.RearingRecord{}).Where("id = ?", id).Updates(updates)
+		}
+		db.Where("id = ?", id).First(&r)
+		c.JSON(http.StatusOK, r)
+	}
+}
+
+func deleteRearingRecord(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var r model.RearingRecord
+		if db.Where("id = ?", id).First(&r).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "rearing record not found"})
+			return
+		}
+		db.Where("id = ?", id).Delete(&model.RearingRecord{})
+		c.JSON(http.StatusOK, gin.H{"id": id})
+	}
+}
diff --git a/server-go/internal/model/permission_seed.go b/server-go/internal/model/permission_seed.go
index de27531..3b190e2 100644
--- a/server-go/internal/model/permission_seed.go
+++ b/server-go/internal/model/permission_seed.go
@@ -26,6 +26,12 @@ var AllPermissions = []PermissionDef{
 	{"knowledge:write", "知识库管理", "新增、编辑、删除知识库内容"},
 	{"inspection:create", "巡检创建", "发起 AI 拍照巡检"},
 	{"inspection:read", "巡检查看", "查看 AI 巡检记录"},
+	{"tray:read", "蚕匾查看", "查看蚕匾"},
+	{"tray:write", "蚕匾管理", "新增、编辑、删除蚕匾"},
+	{"batch:read", "批次查看", "查看蚕种批次与饲养记录"},
+	{"batch:write", "批次管理", "新增、编辑、删除批次"},
+	{"rearing:read", "饲养记录查看", "查看饲养记录"},
+	{"rearing:write", "饲养记录管理", "新增、编辑、删除饲养记录"},
 	{"user:manage", "用户管理", "管理用户、角色和权限"},
 	{"audit:read", "审计查看", "查看审计日志"},
 }
@@ -38,6 +44,7 @@ var RolePermissionMap = map[string][]string{
 		"video:read", "video:record", "energy:view", "log:read",
 		"knowledge:read", "knowledge:write",
 		"inspection:create", "inspection:read",
+		"tray:read", "tray:write", "batch:read", "batch:write", "rearing:read", "rearing:write",
 		"user:manage", "audit:read",
 	},
 	RoleOperator: {
@@ -46,17 +53,20 @@ var RolePermissionMap = map[string][]string{
 		"video:read", "video:record", "energy:view", "log:read",
 		"knowledge:read", "knowledge:write",
 		"inspection:create", "inspection:read",
+		"tray:read", "tray:write", "batch:read", "batch:write", "rearing:read", "rearing:write",
 	},
 	RoleViewer: {
 		"dashboard:view", "room:read", "device:read",
 		"threshold:read", "alarm:read", "video:read", "energy:view",
 		"knowledge:read",
 		"inspection:read",
+		"tray:read", "batch:read", "rearing:read",
 	},
 	RoleFarmer: {
 		"dashboard:view", "room:read", "device:read", "device:control",
 		"alarm:read", "alarm:ack", "video:read", "energy:view",
 		"knowledge:read",
 		"inspection:create", "inspection:read",
+		"tray:read", "batch:read", "rearing:read",
 	},
 }
diff --git a/server-go/internal/model/tray_batch.go b/server-go/internal/model/tray_batch.go
new file mode 100644
index 0000000..11c550d
--- /dev/null
+++ b/server-go/internal/model/tray_batch.go
@@ -0,0 +1,52 @@
+package model
+
+import "time"
+
+// Tray 蚕匾
+type Tray struct {
+	ID        string    `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	Name      string    `gorm:"size:64" json:"name"`
+	Code      *string   `gorm:"size:64" json:"code,omitempty"`
+	Position  *string   `gorm:"size:128" json:"position,omitempty"`
+	RoomID    string    `gorm:"column:room_id;type:uuid;index" json:"roomId"`
+	Enabled   bool      `gorm:"default:true" json:"enabled"`
+	CreatedAt time.Time `gorm:"type:timestamptz" json:"createdAt"`
+	UpdatedAt time.Time `gorm:"type:timestamptz" json:"updatedAt"`
+}
+
+func (Tray) TableName() string { return "trays" }
+
+// Batch 蚕种批次
+type Batch struct {
+	ID           string     `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	RoomID       string     `gorm:"column:room_id;type:uuid;index" json:"roomId"`
+	Name         string     `gorm:"size:64" json:"name"`
+	Variety      *string    `gorm:"size:64" json:"variety,omitempty"`            // 品种
+	Source       *string    `gorm:"size:128" json:"source,omitempty"`            // 蚕种来源/供应商
+	SeedBatchNo  *string    `gorm:"column:seed_batch_no;size:64" json:"seedBatchNo,omitempty"`  // 蚕种批次号
+	QuarantineNo *string    `gorm:"column:quarantine_no;size:64" json:"quarantineNo,omitempty"` // 检疫证明编号
+	Instar       *int       `gorm:"type:int" json:"instar,omitempty"`            // 龄期 1-5
+	EnteredAt    *time.Time `gorm:"column:entered_at;type:timestamptz" json:"enteredAt,omitempty"` // 入房时间
+	MountAt      *time.Time `gorm:"column:mount_at;type:timestamptz" json:"mountAt,omitempty"`     // 上蔟时间
+	Status       string     `gorm:"size:16;default:rearing" json:"status"`       // rearing/mounted/finished
+	Note         *string    `gorm:"type:text" json:"note,omitempty"`
+	CreatedAt    time.Time  `gorm:"type:timestamptz" json:"createdAt"`
+	UpdatedAt    time.Time  `gorm:"type:timestamptz" json:"updatedAt"`
+}
+
+func (Batch) TableName() string { return "batches" }
+
+// RearingRecord 饲养记录
+type RearingRecord struct {
+	ID             string    `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	BatchID        string    `gorm:"column:batch_id;type:uuid;index" json:"batchId"`
+	RecordDate     time.Time `gorm:"column:record_date;type:timestamptz" json:"recordDate"`
+	Instar         *int      `gorm:"type:int" json:"instar,omitempty"`
+	MulberrySource *string   `gorm:"column:mulberry_source;size:128" json:"mulberrySource,omitempty"` // 桑叶来源
+	Density        *string   `gorm:"size:64" json:"density,omitempty"`                                // 饲养密度
+	Note           *string   `gorm:"type:text" json:"note,omitempty"`
+	CreatedAt      time.Time `gorm:"type:timestamptz" json:"createdAt"`
+	UpdatedAt      time.Time `gorm:"type:timestamptz" json:"updatedAt"`
+}
+
+func (RearingRecord) TableName() string { return "rearing_records" }