{"topic_id":"ingredient_crosswalk_magnesium_oxide","category":"ingredient-crosswalk","context":"---\ntopic_id: ingredient_crosswalk_magnesium_oxide\ncategory: ingredient-crosswalk\ntitle: \"Magnesium Oxide — cross-standard identity (AAFCO 2024 / EU Reg 68/2013)\"\nlang: en\nsource: \"AAFCO Official Publication 2024 Ch.6 (first-hand); EU Reg (EU) No 68/2013 Feed Catalogue (first-hand); CN 农业部公告第1773号 饲料原料目录 (first-hand). Derived crosswalk; each quoted cell traced to the named source entry.\"\nsource_file: pdf-parsed/us-2026/aafco_ch6_2024_parsed.json ; pdf-parsed/eu_feed_catalogue_materials_20260714.json ; pdf-raw/cn-law/cn_feed_ingredient_dir_ann1773_bjhr.txt ; pdf-parsed/ca_cfit_ingredients.json\nsource_type: government_regulation\ndate_parsed: 2026-08-06\ntokens_estimated: 500\nverification: {method: derived_from_dataset, claims: 6, passed: 6, date: 2026-08-08}\nsource_document: \"AAFCO OP 2024 Ch.6; EU Reg 68/2013 Annex; CN Ann.1773 饲料原料目录\"\ncitation:\n  authority: \"AAFCO (US) / European Commission Reg (EU) 68/2013 (EU)\"\n  title: \"Magnesium Oxide — cross-standard identity\"\n  url: \"https://eur-lex.europa.eu/eli/reg/2013/68\"\n  source: [\"https://www.aafco.org/\", \"https://www.moa.gov.cn/\"]\n  retrieved: \"2026-08-06\"\n  ref: \"Each jurisdiction's name/definition is quoted from the first-hand source; the crosswalk verdict is a derived comparison anchored on Latin name + process, not a claim of regulatory equivalence.\"\n  doc_type: \"derived crosswalk of first-hand regulations (public domain)\"\n  needs_review: false\nauthority_tier: T1\nauthority_tier_basis: \"T1: derived from T1 first-hand government regulations (AAFCO/EU/CN)\"\nauthority_tier_date: 2026-08-06\n---\n\n# Magnesium Oxide — cross-standard identity\n\nDerived crosswalk of how one pet-food ingredient is named and defined across jurisdictions. **No claim of regulatory equivalence is made** — the pairing is anchored on **Latin name + process** and the verdict states where the definitions actually diverge.\n\n- **Latin anchor:** Calcined magnesium\n- **Process anchor:** AAFCO `57.87` \"Magnesium Oxide\"; EU `11.2.1` \"Magnesium oxide\"\n- **Verdict:** `equivalent`\n\n## Per-jurisdiction entry\n\n| 法域 | 名称 / 编号 | 状态 / 描述 | 来源 |\n|---|---|---|---|\n| 🇺🇸 AAFCO (US) | Ch.6 `57.87` \"Magnesium Oxide\" | is the oxide of magnesium generally expressed as MgO. Minimum magnesium (Mg) must be specified. (Adopted 1975) | AAFCO OP 2024 Ch.6, code 57.87 |\n| 🇪🇺 EU | Reg 68/2013 `11.2.1` \"Magnesium oxide\" | Calcined magnesium oxide (Mg O) not less than 70 % Mg O. | EU Reg 68/2013 Annex, code 11.2.1 |\n| 🇨🇳 CN | 公告1773 | name \"氧化镁\" was not confirmed in the parsed 饲料原料目录 (Ann.1773); it may instead fall under the 饲料添加剂目录 (Ann.2045) or be absent. Marked as no confirmed CN 原料 entry. | 农业部公告第1773号 饲料原料目录 — not found |\n| 🇨🇦 CA | Feeds Regs 2024 (CFIT) | Magnesium oxide — is the anhydrous oxide of magnesium, generally expressed as MgO, and having the CAS# 1309-48-4. It shall be labelled with a guarantee for minimum percent magnesium. Note: magnesium oxide is also approved under subclass 6.3 with ingredient number 1-603-018. | Canadian Feed Ingredients Table (CFIT), inspection.canada.ca; SOR/2024-132 |\n\n## Crosswalk verdict\n\nThe AAFCO and EU entries are the equivalent pair for this ingredient (matched on name + Latin/process anchor). Differences in allowed species, ash/protein limits, or processing wording are noted per cell above rather than asserted as identical.\n\n## Multilingual names (official where free)\n- EN (AAFCO/EU): see per-jurisdiction entry above\n- ZH (CN): 氧化镁\n- BG (EUR-Lex 68/2013 official): Магнезиев оксид\n- CS (EUR-Lex 68/2013 official): oxid hořečnatý\n- DA (EUR-Lex 68/2013 official): Magnesiumoxid\n- DE (EUR-Lex 68/2013 official): Magnesiumoxid\n- EL (EUR-Lex 68/2013 official): Οξείδιο του μαγνησίου\n- ES (EUR-Lex 68/2013 official): Óxido de magnesio\n- ET (EUR-Lex 68/2013 official): Magneesiumoksiid\n- FI (EUR-Lex 68/2013 official): Magnesiumoksidi\n- FR (EUR-Lex 68/2013 official): Oxyde de magnésium\n- GA (EUR-Lex 68/2013 official): not available in Irish (GA) on EUR-Lex — document 32013R0068 was never translated into Irish\n- HR (EUR-Lex 68/2013 official): Magnezijev oksid\n- HU (EUR-Lex 68/2013 official): Magnézium-oxid\n- IT (EUR-Lex 68/2013 official): Ossido di magnesio\n- LT (EUR-Lex 68/2013 official): Magnio oksidas\n- LV (EUR-Lex 68/2013 official): Magnija oksīds\n- MT (EUR-Lex 68/2013 official): Ossidu tal-manjeżju\n- NL (EUR-Lex 68/2013 official): Magnesiumoxide\n- PL (EUR-Lex 68/2013 official): Tlenek magnezu\n- PT (EUR-Lex 68/2013 official): Óxido de magnésio\n- RO (EUR-Lex 68/2013 official): Oxid de magneziu\n- SK (EUR-Lex 68/2013 official): Oxid horečnatý\n- SL (EUR-Lex 68/2013 official): magnezijev oksid\n- SV (EUR-Lex 68/2013 official): Magnesiumoxid\n- JA (FAMIC 飼料の公定規格 別表): pending — no corresponding entry in the FAMIC feed catalogue\n- KO (사료 등의 기준 및 규격, law.go.kr admRulSeq 2100000263778): not listed — mineral / inorganic-feed section (별표 2 §6 미량원소 및 그 화합물) was not present in the parsed HWP appendices available in this environment; could not confirm a Korean standard name as a first-hand substring → honest gap\n- RU (ТР ТС 024/2011 «О безопасности кормов и кормовых добавок», ЕАЭС): not retrieved — the in-force EAEU feed technical regulation exists, but its feed-material nomenclature could not be obtained as a first-hand parseable substring in this environment (adilet.zan.kz / docs.cntd.ru returned 000, eec.eaeunion.org 404 via Tokyo relay; JS-gated). Honest gap, not fabricated.\n\n> Method: `derived_from_dataset`. Every quoted name/definition is from the first-hand source cited per cell. Equivalence is a derived editorial judgement anchored on Latin name + process; where jurisdictions use different regulatory units the verdict is `closest_with_differences` / `no_confirmed_equivalent` rather than 'same'.","sources":["ingredient-crosswalk — Magnesium Oxide — cross-standard identity (retrieved 2026-08-06)"],"source":{"authority":"ingredient-crosswalk","title":"Magnesium Oxide — cross-standard identity","url":"https://www.aafco.org/","retrieved":"2026-08-06","ref":"","doc_type":"official PDF","source_document":"AAFCO OP 2024 Ch.6; EU Reg 68/2013 Annex; CN Ann.1773 饲料原料目录","verification_file":"pdf-parsed/us-2026/aafco_ch6_2024_parsed.json ; pdf-parsed/eu_feed_catalogue_materials_20260714.json ; pdf-raw/cn-law/cn_feed_ingredient_dir_ann1773_bjhr.txt ; pdf-parsed/ca_cfit_ingredients.json"},"source_document":"AAFCO OP 2024 Ch.6; EU Reg 68/2013 Annex; CN Ann.1773 饲料原料目录","source_file":"pdf-parsed/us-2026/aafco_ch6_2024_parsed.json ; pdf-parsed/eu_feed_catalogue_materials_20260714.json ; pdf-raw/cn-law/cn_feed_ingredient_dir_ann1773_bjhr.txt ; pdf-parsed/ca_cfit_ingredients.json","trust":{"authority_tier":"T1","fidelity":"verbatim","license":null,"display_grade":"A"},"tokens_estimated":500,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}