diff --git a/docs/swagger.json b/docs/swagger.json
index 9529d0d2..117b33e4 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -2648,6 +2648,64 @@
         }
       }
     },
+    "/api/v1/feed/pig-types/{id}/nutrient-requirements": {
+      "put": {
+        "security": [
+          {
+            "BearerAuth": []
+          }
+        ],
+        "description": "根据猪类型ID，替换其所有的营养需求信息。这是一个覆盖操作。",
+        "consumes": [
+          "application/json"
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "饲料管理"
+        ],
+        "summary": "全量更新猪类型的营养需求",
+        "parameters": [
+          {
+            "type": "integer",
+            "description": "猪类型ID",
+            "name": "id",
+            "in": "path",
+            "required": true
+          },
+          {
+            "description": "新的营养需求列表",
+            "name": "nutrientRequirements",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/dto.UpdatePigTypeNutrientRequirementsRequest"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "业务码为200代表更新成功",
+            "schema": {
+              "allOf": [
+                {
+                  "$ref": "#/definitions/controller.Response"
+                },
+                {
+                  "type": "object",
+                  "properties": {
+                    "data": {
+                      "$ref": "#/definitions/dto.PigTypeResponse"
+                    }
+                  }
+                }
+              ]
+            }
+          }
+        }
+      }
+    },
     "/api/v1/feed/raw-materials": {
       "get": {
         "security": [
@@ -3139,6 +3197,7 @@
           },
           {
             "enum": [
+              7,
               -1,
               0,
               1,
@@ -3148,12 +3207,12 @@
               5,
               -1,
               5,
-              6,
-              7
+              6
             ],
             "type": "integer",
             "format": "int32",
             "x-enum-varnames": [
+              "_numLevels",
               "DebugLevel",
               "InfoLevel",
               "WarnLevel",
@@ -3163,8 +3222,7 @@
               "FatalLevel",
               "_minLevel",
               "_maxLevel",
-              "InvalidLevel",
-              "_numLevels"
+              "InvalidLevel"
             ],
             "name": "level",
             "in": "query"
@@ -7759,6 +7817,28 @@
         }
       }
     },
+    "dto.PigNutrientRequirementItem": {
+      "type": "object",
+      "required": [
+        "nutrient_id"
+      ],
+      "properties": {
+        "max_requirement": {
+          "description": "最高营养需求量",
+          "type": "number",
+          "minimum": 0
+        },
+        "min_requirement": {
+          "description": "最低营养需求量",
+          "type": "number",
+          "minimum": 0
+        },
+        "nutrient_id": {
+          "description": "营养素ID",
+          "type": "integer"
+        }
+      }
+    },
     "dto.PigPurchaseDTO": {
       "type": "object",
       "properties": {
@@ -8928,6 +9008,20 @@
         }
       }
     },
+    "dto.UpdatePigTypeNutrientRequirementsRequest": {
+      "type": "object",
+      "required": [
+        "nutrient_requirements"
+      ],
+      "properties": {
+        "nutrient_requirements": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/dto.PigNutrientRequirementItem"
+          }
+        }
+      }
+    },
     "dto.UpdatePigTypeRequest": {
       "type": "object",
       "required": [
@@ -9312,10 +9406,10 @@
     "models.Operator": {
       "type": "string",
       "enum": [
-        "\u003C",
-        "\u003C=",
-        "\u003E",
-        "\u003E=",
+        "\u003c",
+        "\u003c=",
+        "\u003e",
+        "\u003e=",
         "=",
         "!="
       ],
@@ -9700,6 +9794,7 @@
       "type": "integer",
       "format": "int32",
       "enum": [
+        7,
         -1,
         0,
         1,
@@ -9709,10 +9804,10 @@
         5,
         -1,
         5,
-        6,
-        7
+        6
       ],
       "x-enum-varnames": [
+        "_numLevels",
         "DebugLevel",
         "InfoLevel",
         "WarnLevel",
@@ -9722,8 +9817,7 @@
         "FatalLevel",
         "_minLevel",
         "_maxLevel",
-        "InvalidLevel",
-        "_numLevels"
+        "InvalidLevel"
       ]
     }
   },
diff --git a/src/api/feed.js b/src/api/feed.js
index 6dbf4ce2..797a98ca 100644
--- a/src/api/feed.js
+++ b/src/api/feed.js
@@ -200,6 +200,18 @@ import {PaginationDTO, Response} from '../enums';
  * @property {number} [daily_feed_intake]
  */
 
+/**
+ * @typedef {object} PigNutrientRequirementItem
+ * @property {number} nutrient_id - 营养素ID
+ * @property {number} [min_requirement] - 最低营养需求量
+ * @property {number} [max_requirement] - 最高营养需求量
+ */
+
+/**
+ * @typedef {object} UpdatePigTypeNutrientRequirementsRequest
+ * @property {Array<PigNutrientRequirementItem>} nutrient_requirements - 新的营养需求列表
+ */
+
 // --- RawMaterial ---
 
 /**
@@ -451,6 +463,277 @@ export const deletePigType = (id) => {
     return http.delete(`/api/v1/feed/pig-types/${id}`);
 };
 
+/**
+ * 全量更新猪类型的营养需求
+ * @param {number} id - 猪类型ID
+ * @param {UpdatePigTypeNutrientRequirementsRequest} data - 新的营养需求列表
+ * @returns {Promise<Response<PigTypeResponse>>}
+ */
+export const updatePigTypeNutrientRequirements = (id, data) => {
+    return http.put(`/api/v1/feed/pig-types/${id}/nutrient-requirements`, data);
+};
+
+// --- RawMaterial ---
+
+/**
+ * @typedef {object} RawMaterialNutrientItem
+ * @property {number} nutrient_id - 营养素ID
+ * @property {number} value - 含量值，必须大于等于0
+ */
+
+/**
+ * @typedef {object} UpdateRawMaterialNutrientsRequest
+ * @property {Array<RawMaterialNutrientItem>} nutrients
+ */
+
+/**
+ * @typedef {object} RawMaterialNutrientDTO
+ * @property {number} id
+ * @property {number} nutrient_id
+ * @property {string} nutrient_name
+ * @property {number} value
+ */
+
+/**
+ * @typedef {object} RawMaterialResponse
+ * @property {number} id
+ * @property {string} name
+ * @property {string} description
+ * @property {Array<RawMaterialNutrientDTO>} raw_material_nutrients
+ */
+
+/**
+ * @typedef {object} ListRawMaterialResponse
+ * @property {Array<RawMaterialResponse>} list
+ * @property {PaginationDTO} pagination
+ */
+
+/**
+ * @typedef {object} RawMaterialsParams
+ * @property {string} [name] - 按原料名称模糊查询
+ * @property {string} [nutrient_name] - 按营养名称模糊查询
+ * @property {string} [order_by] - 排序字段，例如 "id DESC"
+ * @property {number} [page]
+ * @property {number} [page_size]
+ */
+
+/**
+ * @typedef {object} CreateRawMaterialRequest
+ * @property {string} name - 原料名称
+ * @property {string} [description] - 描述
+ */
+
+/**
+ * @typedef {object} UpdateRawMaterialRequest
+ * @property {string} name - 原料名称
+ * @property {string} [description] - 描述
+ */
+
+
+// --- API Functions ---
+
+// --- Nutrient ---
+
+/**
+ * 获取营养种类列表
+ * @param {NutrientsParams} params - 查询参数
+ * @returns {Promise<Response<ListNutrientResponse>>}
+ */
+export const getNutrients = (params) => {
+    return http.get('/api/v1/feed/nutrients', {params});
+};
+
+/**
+ * 创建营养种类
+ * @param {CreateNutrientRequest} data - 请求体
+ * @returns {Promise<Response<NutrientResponse>>}
+ */
+export const createNutrient = (data) => {
+    return http.post('/api/v1/feed/nutrients', data);
+};
+
+/**
+ * 获取营养种类详情
+ * @param {number} id - 营养种类ID
+ * @returns {Promise<Response<NutrientResponse>>}
+ */
+export const getNutrientById = (id) => {
+    return http.get(`/api/v1/feed/nutrients/${id}`);
+};
+
+/**
+ * 更新营养种类
+ * @param {number} id - 营养种类ID
+ * @param {UpdateNutrientRequest} data - 请求体
+ * @returns {Promise<Response<NutrientResponse>>}
+ */
+export const updateNutrient = (id, data) => {
+    return http.put(`/api/v1/feed/nutrients/${id}`, data);
+};
+
+/**
+ * 删除营养种类
+ * @param {number} id - 营养种类ID
+ * @returns {Promise<Response>}
+ */
+export const deleteNutrient = (id) => {
+    return http.delete(`/api/v1/feed/nutrients/${id}`);
+};
+
+// --- PigAgeStage ---
+
+/**
+ * 获取猪年龄阶段列表
+ * @param {PigAgeStagesParams} params - 查询参数
+ * @returns {Promise<Response<ListPigAgeStageResponse>>}
+ */
+export const getPigAgeStages = (params) => {
+    return http.get('/api/v1/feed/pig-age-stages', {params});
+};
+
+/**
+ * 创建猪年龄阶段
+ * @param {CreatePigAgeStageRequest} data - 请求体
+ * @returns {Promise<Response<PigAgeStageResponse>>}
+ */
+export const createPigAgeStage = (data) => {
+    return http.post('/api/v1/feed/pig-age-stages', data);
+};
+
+/**
+ * 获取猪年龄阶段详情
+ * @param {number} id - 猪年龄阶段ID
+ * @returns {Promise<Response<PigAgeStageResponse>>}
+ */
+export const getPigAgeStageById = (id) => {
+    return http.get(`/api/v1/feed/pig-age-stages/${id}`);
+};
+
+/**
+ * 更新猪年龄阶段
+ * @param {number} id - 猪年龄阶段ID
+ * @param {UpdatePigAgeStageRequest} data - 请求体
+ * @returns {Promise<Response<PigAgeStageResponse>>}
+ */
+export const updatePigAgeStage = (id, data) => {
+    return http.put(`/api/v1/feed/pig-age-stages/${id}`, data);
+};
+
+/**
+ * 删除猪年龄阶段
+ * @param {number} id - 猪年龄阶段ID
+ * @returns {Promise<Response>}
+ */
+export const deletePigAgeStage = (id) => {
+    return http.delete(`/api/v1/feed/pig-age-stages/${id}`);
+};
+
+// --- PigBreed ---
+
+/**
+ * 获取猪品种列表
+ * @param {PigBreedsParams} params - 查询参数
+ * @returns {Promise<Response<ListPigBreedResponse>>}
+ */
+export const getPigBreeds = (params) => {
+    return http.get('/api/v1/feed/pig-breeds', {params});
+};
+
+/**
+ * 创建猪品种
+ * @param {CreatePigBreedRequest} data - 请求体
+ * @returns {Promise<Response<PigBreedResponse>>}
+ */
+export const createPigBreed = (data) => {
+    return http.post('/api/v1/feed/pig-breeds', data);
+};
+
+/**
+ * 获取猪品种详情
+ * @param {number} id - 猪品种ID
+ * @returns {Promise<Response<PigBreedResponse>>}
+ */
+export const getPigBreedById = (id) => {
+    return http.get(`/api/v1/feed/pig-breeds/${id}`);
+};
+
+/**
+ * 更新猪品种
+ * @param {number} id - 猪品种ID
+ * @param {UpdatePigBreedRequest} data - 请求体
+ * @returns {Promise<Response<PigBreedResponse>>}
+ */
+export const updatePigBreed = (id, data) => {
+    return http.put(`/api/v1/feed/pig-breeds/${id}`, data);
+};
+
+/**
+ * 删除猪品种
+ * @param {number} id - 猪品种ID
+ * @returns {Promise<Response>}
+ */
+export const deletePigBreed = (id) => {
+    return http.delete(`/api/v1/feed/pig-breeds/${id}`);
+};
+
+// --- PigType ---
+
+/**
+ * 获取猪类型列表
+ * @param {PigTypesParams} params - 查询参数
+ * @returns {Promise<Response<ListPigTypeResponse>>}
+ */
+export const getPigTypes = (params) => {
+    return http.get('/api/v1/feed/pig-types', {params});
+};
+
+/**
+ * 创建猪类型
+ * @param {CreatePigTypeRequest} data - 请求体
+ * @returns {Promise<Response<PigTypeResponse>>}
+ */
+export const createPigType = (data) => {
+    return http.post('/api/v1/feed/pig-types', data);
+};
+
+/**
+ * 获取猪类型详情
+ * @param {number} id - 猪类型ID
+ * @returns {Promise<Response<PigTypeResponse>>}
+ */
+export const getPigTypeById = (id) => {
+    return http.get(`/api/v1/feed/pig-types/${id}`);
+};
+
+/**
+ * 更新猪类型
+ * @param {number} id - 猪类型ID
+ * @param {UpdatePigTypeRequest} data - 请求体
+ * @returns {Promise<Response<PigTypeResponse>>}
+ */
+export const updatePigType = (id, data) => {
+    return http.put(`/api/v1/feed/pig-types/${id}`, data);
+};
+
+/**
+ * 删除猪类型
+ * @param {number} id - 猪类型ID
+ * @returns {Promise<Response>}
+ */
+export const deletePigType = (id) => {
+    return http.delete(`/api/v1/feed/pig-types/${id}`);
+};
+
+/**
+ * 全量更新猪类型的营养需求
+ * @param {number} id - 猪类型ID
+ * @param {UpdatePigTypeNutrientRequirementsRequest} data - 新的营养需求列表
+ * @returns {Promise<Response<PigTypeResponse>>}
+ */
+export const updatePigTypeNutrientRequirements = (id, data) => {
+    return http.put(`/api/v1/feed/pig-types/${id}/nutrient-requirements`, data);
+};
+
 // --- RawMaterial ---
 
 /**
@@ -531,6 +814,7 @@ export const FeedApi = {
     getPigTypeById,
     updatePigType,
     deletePigType,
+    updatePigTypeNutrientRequirements, // 新增的 API 方法
     getRawMaterials,
     createRawMaterial,
     getRawMaterialById,