实现从json读取猪营养需求并写入数据库

config/presets-data/nutrient.json

@@ -1864,7 +1864,7 @@
       "氢氰酸 (mg/kg)": "木薯、苦杏仁等原料中潜在剧毒物质，阻断细胞呼吸，极微量即可引起猪中毒死亡。构树原料标0为已脱毒处理，使用前必须确认氢氰酸含量合格。",
       "总黄酮 (mg/kg)": "构树等植物次生代谢物，具有抗氧化、抗菌、改善血管功能的作用，对母猪繁殖性能和仔猪抗应激有一定正面作用，但过量也可能影响适口性。",
       "生物碱 (mg/kg)": "构树等原料中潜在有害物质，高量会引起猪神经症状、食欲下降甚至中毒，使用时需严格控制比例。",
-      "沙门氏菌": "进口鱼粉卫生指标，必须为0（即阴性）。一旦检出阳性，整批原料禁止用于猪饲料，否则极易引发仔猪副伤寒和全身感染。",
+      "沙门氏菌 (mg/kg)": "进口鱼粉卫生指标，必须为0（即阴性）。一旦检出阳性，整批原料禁止用于猪饲料，否则极易引发仔猪副伤寒和全身感染。",
       "总棉酚 (mg/kg)": "棉粕中主要毒素，包括游离棉酚和结合棉酚。高量引起公猪精子畸形、母猪流产、生长猪肝肾损伤。生长育肥猪建议总棉酚<300mg/kg，种猪<100mg/kg。",
       "环丙烯酸 (mg/kg)": "棉粕中另一种毒素，与棉酚协同作用，破坏赖氨酸利用率，严重影响蛋白质沉积。优质脱酚棉粕应<500mg/kg。",
       "硫酸盐 (mg/kg)": "玉米DDGS发酵副产物，高硫酸盐（>8000mg/kg常见）易导致猪脑软化症（硫中毒），生长猪日粮硫酸盐建议不超过4000mg/kg。",

config/presets-data/pig_nutrient_requirement.json

@@ -0,0 +1,914 @@
+{
+  "type": "pig_nutrient_requirements",
+  "data": {
+    "杜长大 (DLY)": {
+      "保育期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.012,
+          "max_requirement": 0.015
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0072,
+          "max_requirement": 0.0105
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0078,
+          "max_requirement": 0.0108
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0022,
+          "max_requirement": 0.0030
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.18,
+          "max_requirement": 0.22
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.009,
+          "max_requirement": 0.012
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.006,
+          "max_requirement": 0.008
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.002,
+          "max_requirement": 0.0045
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 3226.5,
+          "max_requirement": 3585.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "育肥前期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0094,
+          "max_requirement": 0.0110
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0055,
+          "max_requirement": 0.0073
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0058,
+          "max_requirement": 0.0077
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0016,
+          "max_requirement": 0.0022
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.16,
+          "max_requirement": 0.18
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.007,
+          "max_requirement": 0.009
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.005,
+          "max_requirement": 0.007
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.002,
+          "max_requirement": 0.0040
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 3107.0,
+          "max_requirement": 3346.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "育肥后期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0081,
+          "max_requirement": 0.0090
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0045,
+          "max_requirement": 0.0058
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0048,
+          "max_requirement": 0.0061
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0013,
+          "max_requirement": 0.0018
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.14,
+          "max_requirement": 0.16
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.006,
+          "max_requirement": 0.008
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.0045,
+          "max_requirement": 0.006
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.0018,
+          "max_requirement": 0.0035
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 2987.5,
+          "max_requirement": 3226.5
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "二次育肥期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0053,
+          "max_requirement": 0.0065
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0030,
+          "max_requirement": 0.0041
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0031,
+          "max_requirement": 0.0043
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0010,
+          "max_requirement": 0.0013
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.12,
+          "max_requirement": 0.14
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.005,
+          "max_requirement": 0.007
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.004,
+          "max_requirement": 0.0055
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0030
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 2868.0,
+          "max_requirement": 3107.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      }
+    },
+    "杜大长 (DY L)": {
+      "保育期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.012,
+          "max_requirement": 0.015
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0072,
+          "max_requirement": 0.0105
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0078,
+          "max_requirement": 0.0108
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0022,
+          "max_requirement": 0.0030
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.18,
+          "max_requirement": 0.22
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.009,
+          "max_requirement": 0.012
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.006,
+          "max_requirement": 0.008
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.002,
+          "max_requirement": 0.0045
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 3226.5,
+          "max_requirement": 3585.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "育肥前期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0094,
+          "max_requirement": 0.0110
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0055,
+          "max_requirement": 0.0073
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0058,
+          "max_requirement": 0.0077
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0016,
+          "max_requirement": 0.0022
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.16,
+          "max_requirement": 0.18
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.007,
+          "max_requirement": 0.009
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.005,
+          "max_requirement": 0.007
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.002,
+          "max_requirement": 0.0040
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 3107.0,
+          "max_requirement": 3346.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "育肥后期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0081,
+          "max_requirement": 0.0090
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0045,
+          "max_requirement": 0.0058
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0048,
+          "max_requirement": 0.0061
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0013,
+          "max_requirement": 0.0018
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.14,
+          "max_requirement": 0.16
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.006,
+          "max_requirement": 0.008
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.0045,
+          "max_requirement": 0.006
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.0018,
+          "max_requirement": 0.0035
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 2987.5,
+          "max_requirement": 3226.5
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "二次育肥期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0053,
+          "max_requirement": 0.0065
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0030,
+          "max_requirement": 0.0041
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0031,
+          "max_requirement": 0.0043
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0010,
+          "max_requirement": 0.0013
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.12,
+          "max_requirement": 0.14
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.005,
+          "max_requirement": 0.007
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.004,
+          "max_requirement": 0.0055
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0030
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 2868.0,
+          "max_requirement": 3107.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      }
+    },
+    "皮长大 (PL Y)": {
+      "保育期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.012,
+          "max_requirement": 0.015
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0072,
+          "max_requirement": 0.0105
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0078,
+          "max_requirement": 0.0108
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0022,
+          "max_requirement": 0.0030
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.18,
+          "max_requirement": 0.22
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.009,
+          "max_requirement": 0.012
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.006,
+          "max_requirement": 0.008
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.002,
+          "max_requirement": 0.0045
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 3226.5,
+          "max_requirement": 3585.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "育肥前期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0094,
+          "max_requirement": 0.0110
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0055,
+          "max_requirement": 0.0073
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0058,
+          "max_requirement": 0.0077
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0016,
+          "max_requirement": 0.0022
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.16,
+          "max_requirement": 0.18
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.007,
+          "max_requirement": 0.009
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.005,
+          "max_requirement": 0.007
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.002,
+          "max_requirement": 0.0040
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 3107.0,
+          "max_requirement": 3346.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "育肥后期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0081,
+          "max_requirement": 0.0090
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0045,
+          "max_requirement": 0.0058
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0048,
+          "max_requirement": 0.0061
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0013,
+          "max_requirement": 0.0018
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.14,
+          "max_requirement": 0.16
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.006,
+          "max_requirement": 0.008
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.0045,
+          "max_requirement": 0.006
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.0018,
+          "max_requirement": 0.0035
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 2987.5,
+          "max_requirement": 3226.5
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      },
+      "二次育肥期": {
+        "可消化赖氨酸 (SID %)": {
+          "min_requirement": 0.0053,
+          "max_requirement": 0.0065
+        },
+        "蛋+胱氨酸 (%)": {
+          "min_requirement": 0.0030,
+          "max_requirement": 0.0041
+        },
+        "可消化苏氨酸 (SID %)": {
+          "min_requirement": 0.0031,
+          "max_requirement": 0.0043
+        },
+        "可消化色氨酸 (SID %)": {
+          "min_requirement": 0.0010,
+          "max_requirement": 0.0013
+        },
+        "粗蛋白 (%)": {
+          "min_requirement": 0.12,
+          "max_requirement": 0.14
+        },
+        "粗脂肪 (%)": {
+          "min_requirement": 0.03,
+          "max_requirement": 0.06
+        },
+        "粗纤维 (%)": {
+          "min_requirement": 0.02,
+          "max_requirement": 0.06
+        },
+        "钙 (%)": {
+          "min_requirement": 0.005,
+          "max_requirement": 0.007
+        },
+        "总磷 (%)": {
+          "min_requirement": 0.004,
+          "max_requirement": 0.0055
+        },
+        "有效磷 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0030
+        },
+        "代谢能 (kcal/kg)": {
+          "min_requirement": 2868.0,
+          "max_requirement": 3107.0
+        },
+        "钠 (%)": {
+          "min_requirement": 0.0015,
+          "max_requirement": 0.0025
+        },
+        "氯 (%)": {
+          "min_requirement": 0.0025,
+          "max_requirement": 0.0045
+        },
+        "黄曲霉毒素B1 (μg/kg)": {
+          "max_requirement": 10
+        },
+        "呕吐毒素DON (μg/kg)": {
+          "max_requirement": 1
+        },
+        "玉米赤霉烯酮ZEN (μg/kg)": {
+          "max_requirement": 0.15
+        }
+      }
+    }
+  },
+  "descriptions": {
+    "pig_breeds": {
+      "杜长大 (DLY)": {
+        "description": "杜长大是中国市场占有率最高的商品肉猪。通过利用杜洛克、长白、大约克三品种的杂种优势，实现高效生长和高瘦肉率。",
+        "parent_info": "终端父本：杜洛克 (D)；二元母本：长白 (L) × 大约克 (Y)。",
+        "appearance_features": "全身白色，体型健壮、体躯较长，肌肉发达，背腰平直。",
+        "breed_advantages": "生长速度快、日增重极高、饲料转化率最优、瘦肉率稳定在60%以上、适应性良好、出栏时间最短。",
+        "breed_disadvantages": "抗应激能力中等，对疫病和环境变化相对敏感；无法作为种猪进行自繁。"
+      },
+      "杜大长 (DY L)": {
+        "description": "杜大长是另一种重要的外三元猪，与杜长大体系相似，但在母本的搭配上有所区别，同样追求高生长速度和高瘦肉率。",
+        "parent_info": "终端父本：杜洛克 (D)；二元母本：大约克 (Y) × 长白 (L)。",
+        "appearance_features": "全身白色，体型比杜长大略微魁梧，肌肉丰满度高。",
+        "breed_advantages": "生长性能和瘦肉率与杜长大相当，同时遗传了大约克母本的良好体型和生长潜力，综合性能优秀。",
+        "breed_disadvantages": "与杜长大相似，无法留作种用，需要依赖稳定的种源体系；对饲养管理要求高。"
+      },
+      "皮长大 (PL Y)": {
+        "description": "皮长大是以皮特兰作为终端父本的杂交体系，专注于生产超高瘦肉率的商品肉猪。",
+        "parent_info": "终端父本：皮特兰 (P)；二元母本：长白 (L) × 大约克 (Y)。",
+        "appearance_features": "多数为白色或带有黑色斑点，肌肉极其发达，后臀饱满，体型呈方形。",
+        "breed_advantages": "瘦肉率极高（能达到65%以上），胴体丰满，背膘薄。",
+        "breed_disadvantages": "生长速度和日增重逊于杜长大；应激敏感性极高（易发生P.S.S.），管理难度大，肉质易出现PSE（苍白、软、渗水）现象，影响口感和加工性能。"
+      }
+    },
+    "pig_age_stages": {
+      "保育期": "从断奶到转入生长舍。主要目标是适应固体饲料，建立肠道菌群，确保健康稳定过渡，体重约5kg~30kg。",
+      "育肥前期": "小猪转入育肥舍后到体重达到约60kg的阶段。以骨骼和肌肉生长为主，是高效增重期。",
+      "育肥后期": "体重从约60kg到达到出栏体重（约110-120kg）的阶段。脂肪沉积速度开始加快，是出栏前的冲刺期。",
+      "二次育肥期": "指收购达到常规出栏体重（约100-120kg）的商品猪，继续饲养至更大体重（140-180kg+）的阶段。其存在主要受市场价格波动驱动，目的是提高单体出肉量。"
+    },
+    "pig_breed_age_stages": {
+      "杜长大 (DLY)": {
+        "保育期": {
+          "description": "遗传自杜洛克的生长优势在断奶后开始显现，需精细化管理以避免断奶应激和腹泻。",
+          "daily_feed_intake": 400.0,
+          "daily_gain_weight": 350.0,
+          "min_days": 21,
+          "max_days": 70,
+          "min_weight": 5000.0,
+          "max_weight": 30000.0
+        },
+        "育肥前期": {
+          "description": "生长速度和饲料转化率表现良好，是瘦肉沉积效率高的阶段。",
+          "daily_feed_intake": 1800.0,
+          "daily_gain_weight": 700.0,
+          "min_days": 71,
+          "max_days": 120,
+          "min_weight": 30000.0,
+          "max_weight": 60000.0
+        },
+        "育肥后期": {
+          "description": "继续实现较高日增重，脂肪沉积开始加快，管理目标为达到目标出栏体重并保持料肉比。",
+          "daily_feed_intake": 2800.0,
+          "daily_gain_weight": 800.0,
+          "min_days": 121,
+          "max_days": 180,
+          "min_weight": 60000.0,
+          "max_weight": 100000.0
+        },
+        "二次育肥期": {
+          "description": "增重效率下降，料肉比恶化，增重多为脂肪沉积，注意热应激与蹄部问题。",
+          "daily_feed_intake": 3500.0,
+          "daily_gain_weight": 600.0,
+          "min_days": 181,
+          "max_days": 240,
+          "min_weight": 100000.0,
+          "max_weight": 140000.0
+        }
+      },
+      "杜大长 (DY L)": {
+        "保育期": {
+          "description": "与杜长大相近，生长潜力强，管理重点为断奶适应与稳定采食。",
+          "daily_feed_intake": 400.0,
+          "daily_gain_weight": 330.0,
+          "min_days": 21,
+          "max_days": 70,
+          "min_weight": 5000.0,
+          "max_weight": 30000.0
+        },
+        "育肥前期": {
+          "description": "生长期增重与料肉比接近杜长大，肌肉发展迅速。",
+          "daily_feed_intake": 1750.0,
+          "daily_gain_weight": 680.0,
+          "min_days": 71,
+          "max_days": 120,
+          "min_weight": 30000.0,
+          "max_weight": 60000.0
+        },
+        "育肥后期": {
+          "description": "保持较高增重速度，脂肪沉积稍快于部分 DLY 群体，需配方微调以控制背膘。",
+          "daily_feed_intake": 2700.0,
+          "daily_gain_weight": 770.0,
+          "min_days": 121,
+          "max_days": 180,
+          "min_weight": 60000.0,
+          "max_weight": 100000.0
+        },
+        "二次育肥期": {
+          "description": "与杜长大相似，采食量高但增重多为脂肪，注意健康与福利管理。",
+          "daily_feed_intake": 3500.0,
+          "daily_gain_weight": 580.0,
+          "min_days": 181,
+          "max_days": 240,
+          "min_weight": 100000.0,
+          "max_weight": 140000.0
+        }
+      },
+      "皮长大 (PLY)": {
+        "保育期": {
+          "description": "个体应激敏感性可能更高，需要稳定环境与逐步换料以减少应激性下降重。",
+          "daily_feed_intake": 350.0,
+          "daily_gain_weight": 300.0,
+          "min_days": 21,
+          "max_days": 70,
+          "min_weight": 5000.0,
+          "max_weight": 30000.0
+        },
+        "育肥前期": {
+          "description": "增重速度一般，但瘦肉率高；需注意高应激个体的管理以避免肉质问题。",
+          "daily_feed_intake": 1600.0,
+          "daily_gain_weight": 600.0,
+          "min_days": 71,
+          "max_days": 120,
+          "min_weight": 30000.0,
+          "max_weight": 60000.0
+        },
+        "育肥后期": {
+          "description": "瘦肉率高且脂肪沉积较慢，但应激易导致肉质问题，育肥管理需谨慎。",
+          "daily_feed_intake": 2400.0,
+          "daily_gain_weight": 650.0,
+          "min_days": 121,
+          "max_days": 180,
+          "min_weight": 60000.0,
+          "max_weight": 100000.0
+        },
+        "二次育肥期": {
+          "description": "超重育肥带来的应激和死亡风险增加，通常不推荐长期二次育肥。",
+          "daily_feed_intake": 3200.0,
+          "daily_gain_weight": 450.0,
+          "min_days": 181,
+          "max_days": 240,
+          "min_weight": 100000.0,
+          "max_weight": 140000.0
+        }
+      }
+    }
+  }
+}

design/archive/recipe-management/index.md

@@ -53,3 +53,4 @@ http://git.huangwc.com/pig/pig-farm-controller/issues/66
 3. 定义配方领域, 实现营养元素的增删改查
 4. 实现原材料的增删改查和仓库层的原料库存记录表增查
 5. 定义猪的模型和营养需求模型
+6. 实现从json读取猪营养需求并写入数据库

internal/infra/database/seeder.go

@@ -26,60 +26,87 @@ type SeederFunc func(tx *gorm.DB, jsonData []byte) error
 func SeedFromPreset(ctx context.Context, db *gorm.DB, presetDir string) error {
 	logger := logs.TraceLogger(ctx, ctx, "SeedFromPreset")
 
-	// 定义必须存在的预设数据类型
+	// 定义必须存在的预设数据类型及其处理顺序
-	requiredTypes := []string{"nutrient"}
+	// 确保 "nutrient" 在 "pig_nutrient_requirements" 之前处理，因为后者依赖于前者。
-	processedTypes := make(map[string]bool)
+	processingOrder := []string{"nutrient", "pig_nutrient_requirements"}
+	requiredTypes := make(map[string]bool)
+	for _, t := range processingOrder {
+		requiredTypes[t] = true
+	}
 
-	// 用于检测重复的 type
+	processedTypes := make(map[string]bool)
-	typeToFileMap := make(map[string]string)
+	typeToFileMap := make(map[string]string)  // 用于检测重复的 type，并存储每个 type 对应的文件路径
+	groupedFiles := make(map[string][][]byte) // 按 type 分组存储 jsonData
 
 	files, err := os.ReadDir(presetDir)
 	if err != nil {
 		return fmt.Errorf("读取预设数据目录 '%s' 失败: %w", presetDir, err)
 	}
 
+	// 第一阶段：读取所有文件并按 type 分组
+	for _, file := range files {
+		if filepath.Ext(file.Name()) != ".json" {
+			continue
+		}
+
+		filePath := filepath.Join(presetDir, file.Name())
+		jsonData, err := os.ReadFile(filePath)
+		if err != nil {
+			return fmt.Errorf("读取文件 '%s' 失败: %w", filePath, err)
+		}
+
+		dataType := gjson.GetBytes(jsonData, "type")
+		if !dataType.Exists() {
+			logger.Warnf("警告: 文件 '%s' 中缺少 'type' 字段，已跳过", filePath)
+			continue
+		}
+		dataTypeStr := dataType.String()
+
+		// 检查是否存在重复的 type
+		if existingFile, found := typeToFileMap[dataTypeStr]; found {
+			return fmt.Errorf("预设数据校验失败: type '%s' 在文件 '%s' 和 '%s' 中重复定义", dataTypeStr, existingFile, filePath)
+		}
+		typeToFileMap[dataTypeStr] = filePath // 记录该 type 对应的文件路径
+
+		groupedFiles[dataTypeStr] = append(groupedFiles[dataTypeStr], jsonData)
+	}
+
+	// 第二阶段：按照预定义顺序处理分组后的数据
 	return db.Transaction(func(tx *gorm.DB) error {
-		for _, file := range files {
+		for _, dataTypeStr := range processingOrder {
-			if filepath.Ext(file.Name()) != ".json" {
+			jsonDatas, ok := groupedFiles[dataTypeStr]
-				continue
+			if !ok {
+				// 如果是必需类型但没有找到文件，则报错
+				if requiredTypes[dataTypeStr] {
+					return fmt.Errorf("预设数据校验失败: 缺少必需的预设文件类型: '%s'", dataTypeStr)
+				}
+				continue // 非必需类型，跳过
 			}
 
-			filePath := filepath.Join(presetDir, file.Name())
-			jsonData, err := os.ReadFile(filePath)
-			if err != nil {
-				return fmt.Errorf("读取文件 '%s' 失败: %w", filePath, err)
-			}
-
-			dataType := gjson.GetBytes(jsonData, "type")
-			if !dataType.Exists() {
-				logger.Warnf("警告: 文件 '%s' 中缺少 'type' 字段，已跳过", filePath)
-				continue
-			}
-			dataTypeStr := dataType.String()
-
-			if existingFile, found := typeToFileMap[dataTypeStr]; found {
-				return fmt.Errorf("预设数据校验失败: type '%s' 在文件 '%s' 和 '%s' 中重复定义", dataTypeStr, existingFile, filePath)
-			}
-			typeToFileMap[dataTypeStr] = filePath
-
 			var seederFunc SeederFunc
 			switch dataTypeStr {
 			case "nutrient":
 				seederFunc = seedNutrients
+			case "pig_nutrient_requirements":
+				seederFunc = seedPigNutrientRequirements
 			default:
-				logger.Warnf("警告: 文件 '%s' 中存在未知的 type: '%s'，已跳过", filePath, dataTypeStr)
+				logger.Warnf("警告: 存在未知的 type: '%s'，已跳过", dataTypeStr)
 				continue
 			}
 
-			if err := seederFunc(tx, jsonData); err != nil {
+			for _, jsonData := range jsonDatas {
-				return fmt.Errorf("处理文件 '%s' (type: %s) 时发生错误: %w", filePath, dataTypeStr, err)
+				// 获取原始文件路径用于错误报告
+				originalFilePath := typeToFileMap[dataTypeStr]
+				if err := seederFunc(tx, jsonData); err != nil {
+					return fmt.Errorf("处理文件 (type: %s, path: %s) 时发生错误: %w", dataTypeStr, originalFilePath, err)
+				}
 			}
 			processedTypes[dataTypeStr] = true
 		}
 
 		// 校验所有必需的类型是否都已处理
 		var missingTypes []string
-		for _, reqType := range requiredTypes {
+		for reqType := range requiredTypes {
 			if !processedTypes[reqType] {
 				missingTypes = append(missingTypes, reqType)
 			}
@@ -158,6 +185,280 @@ func seedNutrients(tx *gorm.DB, jsonData []byte) error {
 	return nil
 }
 
+// seedPigNutrientRequirements 先严格校验JSON源文件，然后以“有则跳过”的模式播种数据。
+func seedPigNutrientRequirements(tx *gorm.DB, jsonData []byte) error {
+	// 1. 严格校验JSON文件，检查内部重复键
+	parsedData, err := validateAndParsePigNutrientRequirementJSON(jsonData)
+	if err != nil {
+		return fmt.Errorf("JSON源文件校验失败: %w", err)
+	}
+
+	// 2. 解析简介信息
+	descriptionsNode := gjson.GetBytes(jsonData, "descriptions")
+	pigBreedDescriptions := make(map[string]models.PigBreed)
+	pigAgeStageDescriptions := make(map[string]models.PigAgeStage)
+	pigTypeDescriptions := make(map[string]map[string]models.PigType)
+
+	if descriptionsNode.Exists() {
+		// 解析 pig_breeds 描述
+		descriptionsNode.Get("pig_breeds").ForEach(func(key, value gjson.Result) bool {
+			var pb models.PigBreed
+			pb.Name = key.String()
+			pb.Description = value.Get("description").String()
+			pb.ParentInfo = value.Get("parent_info").String()
+			pb.AppearanceFeatures = value.Get("appearance_features").String()
+			pb.BreedAdvantages = value.Get("breed_advantages").String()
+			pb.BreedDisadvantages = value.Get("breed_disadvantages").String()
+			pigBreedDescriptions[key.String()] = pb
+			return true
+		})
+
+		// 解析 pig_age_stages 描述
+		descriptionsNode.Get("pig_age_stages").ForEach(func(key, value gjson.Result) bool {
+			var pas models.PigAgeStage
+			pas.Name = key.String()
+			pas.Description = value.String()
+			pigAgeStageDescriptions[key.String()] = pas
+			return true
+		})
+
+		// 解析 pig_breed_age_stages (PigType) 描述
+		descriptionsNode.Get("pig_breed_age_stages").ForEach(func(breedKey, breedValue gjson.Result) bool {
+			if _, ok := pigTypeDescriptions[breedKey.String()]; !ok {
+				pigTypeDescriptions[breedKey.String()] = make(map[string]models.PigType)
+			}
+			breedValue.ForEach(func(ageStageKey, ageStageValue gjson.Result) bool {
+				var pt models.PigType
+				pt.Description = ageStageValue.Get("description").String()
+				pt.DailyFeedIntake = float32(ageStageValue.Get("daily_feed_intake").Float())
+				pt.DailyGainWeight = float32(ageStageValue.Get("daily_gain_weight").Float())
+				pt.MinDays = uint32(ageStageValue.Get("min_days").Uint())
+				pt.MaxDays = uint32(ageStageValue.Get("max_days").Uint())
+				pt.MinWeight = float32(ageStageValue.Get("min_weight").Float())
+				pt.MaxWeight = float32(ageStageValue.Get("max_weight").Float())
+				pigTypeDescriptions[breedKey.String()][ageStageKey.String()] = pt
+				return true
+			})
+			return true
+		})
+	}
+
+	// 3. 将通过校验的、干净的数据写入数据库
+	for breedName, ageStagesData := range parsedData {
+		var pigBreed models.PigBreed
+		// 查找或创建 PigBreed
+		pbDesc := pigBreedDescriptions[breedName]
+		err := tx.Where(models.PigBreed{Name: breedName}).
+			FirstOrCreate(&pigBreed, models.PigBreed{
+				Name:               breedName,
+				Description:        pbDesc.Description,
+				ParentInfo:         pbDesc.ParentInfo,
+				AppearanceFeatures: pbDesc.AppearanceFeatures,
+				BreedAdvantages:    pbDesc.BreedAdvantages,
+				BreedDisadvantages: pbDesc.BreedDisadvantages,
+			}).Error
+		if err != nil {
+			return fmt.Errorf("预设猪品种 '%s' 失败: %w", breedName, err)
+		}
+
+		for ageStageName, nutrientsData := range ageStagesData {
+			var pigAgeStage models.PigAgeStage
+			// 查找或创建 PigAgeStage
+			pasDesc := pigAgeStageDescriptions[ageStageName]
+			err := tx.Where(models.PigAgeStage{Name: ageStageName}).
+				FirstOrCreate(&pigAgeStage, models.PigAgeStage{
+					Name:        ageStageName,
+					Description: pasDesc.Description,
+				}).Error
+			if err != nil {
+				return fmt.Errorf("预设猪年龄阶段 '%s' 失败: %w", ageStageName, err)
+			}
+
+			var pigType models.PigType
+			// 查找或创建 PigType
+			ptDesc := pigTypeDescriptions[breedName][ageStageName]
+			err = tx.Where(models.PigType{BreedID: pigBreed.ID, AgeStageID: pigAgeStage.ID}).
+				FirstOrCreate(&pigType, models.PigType{
+					BreedID:         pigBreed.ID,
+					AgeStageID:      pigAgeStage.ID,
+					Description:     ptDesc.Description,
+					DailyFeedIntake: ptDesc.DailyFeedIntake,
+					DailyGainWeight: ptDesc.DailyGainWeight,
+					MinDays:         ptDesc.MinDays,
+					MaxDays:         ptDesc.MaxDays,
+					MinWeight:       ptDesc.MinWeight,
+					MaxWeight:       ptDesc.MaxWeight,
+				}).Error
+			if err != nil {
+				return fmt.Errorf("预设猪类型 '%s' - '%s' 失败: %w", breedName, ageStageName, err)
+			}
+
+			for nutrientName, requirement := range nutrientsData {
+				var nutrient models.Nutrient
+				// 查找或创建 Nutrient (这里假设 Nutrient 已经在 seedNutrients 中处理，但为了健壮性，再次 FirstOrCreate)
+				err := tx.Where(models.Nutrient{Name: nutrientName}).
+					FirstOrCreate(&nutrient, models.Nutrient{
+						Name: nutrientName,
+						// Description 字段在 nutrient seeder 中处理，这里不设置
+					}).Error
+				if err != nil {
+					return fmt.Errorf("预设营养素 '%s' 失败: %w", nutrientName, err)
+				}
+
+				linkData := models.PigNutrientRequirement{
+					PigTypeID:      pigType.ID,
+					NutrientID:     nutrient.ID,
+					MinRequirement: requirement.MinRequirement,
+					MaxRequirement: requirement.MaxRequirement,
+				}
+				// 使用 FirstOrCreate 确保关联的唯一性
+				if err := tx.Where(models.PigNutrientRequirement{
+					PigTypeID:  pigType.ID,
+					NutrientID: nutrient.ID,
+				}).FirstOrCreate(&linkData, linkData).Error; err != nil {
+					return fmt.Errorf("为猪类型 '%s' - '%s' 和营养素 '%s' 创建营养需求失败: %w", breedName, ageStageName, nutrientName, err)
+				}
+			}
+		}
+	}
+	return nil
+}
+
+// validateAndParsePigNutrientRequirementJSON 严格校验并解析猪营养需求JSON文件
+func validateAndParsePigNutrientRequirementJSON(jsonData []byte) (map[string]map[string]map[string]struct {
+	MinRequirement float32
+	MaxRequirement float32
+}, error) {
+	dataNode := gjson.GetBytes(jsonData, "data")
+	if !dataNode.Exists() {
+		return nil, errors.New("JSON文件中缺少 'data' 字段")
+	}
+	if !dataNode.IsObject() {
+		return nil, errors.New("'data' 字段必须是一个JSON对象")
+	}
+
+	decoder := json.NewDecoder(bytes.NewReader([]byte(dataNode.Raw)))
+	decoder.UseNumber()
+
+	if t, err := decoder.Token(); err != nil || t != json.Delim('{') {
+		return nil, fmt.Errorf("'data' 字段解析起始符失败: %v", err)
+	}
+
+	result := make(map[string]map[string]map[string]struct {
+		MinRequirement float32
+		MaxRequirement float32
+	})
+	seenBreeds := make(map[string]bool)
+
+	for decoder.More() {
+		// 解析 PigBreed 名称
+		t, err := decoder.Token()
+		if err != nil {
+			return nil, fmt.Errorf("解析猪品种名称失败: %w", err)
+		}
+		breedName := t.(string)
+		if seenBreeds[breedName] {
+			return nil, fmt.Errorf("猪品种名称 '%s' 重复", breedName)
+		}
+		seenBreeds[breedName] = true
+
+		// 解析该品种的年龄阶段对象
+		if t, err := decoder.Token(); err != nil || t != json.Delim('{') {
+			return nil, fmt.Errorf("期望猪品种 '%s' 的值是一个JSON对象", breedName)
+		}
+
+		ageStages := make(map[string]map[string]struct {
+			MinRequirement float32
+			MaxRequirement float32
+		})
+		seenAgeStages := make(map[string]bool)
+
+		for decoder.More() {
+			// 解析 PigAgeStage 名称
+			t, err := decoder.Token()
+			if err != nil {
+				return nil, fmt.Errorf("在猪品种 '%s' 中解析年龄阶段名称失败: %w", breedName, err)
+			}
+			ageStageName := t.(string)
+			if seenAgeStages[ageStageName] {
+				return nil, fmt.Errorf("在猪品种 '%s' 中, 年龄阶段名称 '%s' 重复", breedName, ageStageName)
+			}
+			seenAgeStages[ageStageName] = true
+
+			// 解析该年龄阶段的营养成分对象
+			if t, err := decoder.Token(); err != nil || t != json.Delim('{') {
+				return nil, fmt.Errorf("期望年龄阶段 '%s' 的值是一个JSON对象", ageStageName)
+			}
+
+			nutrients := make(map[string]struct {
+				MinRequirement float32
+				MaxRequirement float32
+			})
+			seenNutrients := make(map[string]bool)
+
+			for decoder.More() {
+				// 解析 Nutrient 名称
+				t, err := decoder.Token()
+				if err != nil {
+					return nil, fmt.Errorf("在年龄阶段 '%s' 中解析营养素名称失败: %w", ageStageName, err)
+				}
+				nutrientName := t.(string)
+				if seenNutrients[nutrientName] {
+					return nil, fmt.Errorf("在年龄阶段 '%s' 中, 营养素名称 '%s' 重复", ageStageName, nutrientName)
+				}
+				seenNutrients[nutrientName] = true
+
+				// 解析 min_requirement 和 max_requirement 对象
+				if t, err := decoder.Token(); err != nil || t != json.Delim('{') {
+					return nil, fmt.Errorf("期望营养素 '%s' 的值是一个JSON对象", nutrientName)
+				}
+
+				var req struct {
+					MinRequirement float32
+					MaxRequirement float32
+				}
+				for decoder.More() {
+					t, err := decoder.Token()
+					if err != nil {
+						return nil, fmt.Errorf("解析营养素 '%s' 的需求键失败: %w", nutrientName, err)
+					}
+					key := t.(string)
+
+					t, err = decoder.Token()
+					if err != nil {
+						return nil, fmt.Errorf("解析营养素 '%s' 的需求值失败: %w", nutrientName, err)
+					}
+					if value, ok := t.(json.Number); ok {
+						f64, _ := value.Float64()
+						if key == "min_requirement" {
+							req.MinRequirement = float32(f64)
+						} else if key == "max_requirement" {
+							req.MaxRequirement = float32(f64)
+						} else {
+							return nil, fmt.Errorf("营养素 '%s' 中存在未知键 '%s'", nutrientName, key)
+						}
+					} else {
+						return nil, fmt.Errorf("期望营养素 '%s' 的 '%s' 值是数字, 但实际得到的类型是 %T, 值为 '%v'", nutrientName, key, t, t)
+					}
+				}
+				if t, err := decoder.Token(); err != nil || t != json.Delim('}') {
+					return nil, fmt.Errorf("解析营养素 '%s' 的值结束符 '}' 失败", nutrientName)
+				}
+				nutrients[nutrientName] = req
+			}
+			if t, err := decoder.Token(); err != nil || t != json.Delim('}') {
+				return nil, fmt.Errorf("解析年龄阶段 '%s' 的值结束符 '}' 失败", ageStageName)
+			}
+			ageStages[ageStageName] = nutrients
+		}
+		if t, err := decoder.Token(); err != nil || t != json.Delim('}') {
+			return nil, fmt.Errorf("解析猪品种 '%s' 的值结束符 '}' 失败", breedName)
+		}
+		result[breedName] = ageStages
+	}
+	return result, nil
+}
+
 // validateAndParseNutrientJSON 使用 json.Decoder 手动解析，以捕获重复的键。
 func validateAndParseNutrientJSON(jsonData []byte) (map[string]map[string]float32, error) {
 	dataNode := gjson.GetBytes(jsonData, "data")

internal/infra/models/pig.go

@@ -3,8 +3,12 @@ package models
 // PigBreed 猪品种模型
 type PigBreed struct {
 	Model
-	Name        string `gorm:"size:50;not null;comment:品种名称"`
+	Name               string `gorm:"size:50;not null;comment:品种名称"`
-	Description string `gorm:"size:255;comment:品种描述"`
+	Description        string `gorm:"type:text" json:"description"`         // 保留描述字段
+	ParentInfo         string `gorm:"type:text" json:"parent_info"`         // 父母信息
+	AppearanceFeatures string `gorm:"type:text" json:"appearance_features"` // 外貌特征
+	BreedAdvantages    string `gorm:"type:text" json:"breed_advantages"`    // 品种优点
+	BreedDisadvantages string `gorm:"type:text" json:"breed_disadvantages"` // 品种缺点
 }
 
 func (PigBreed) TableName() string {