剪牙: the law by country
Where it is banned, allowed only under conditions or permitted. Each rule names its law and links to the source.
- 禁止（有例外）: 1 places
- 有條件允許: 12 places
加拿大
Whole country
National Farm Animal Care Council Code of Practice：業界守則，不是制定法。NFACC表示，守則的要求在大多數省份並無明文拘束力，但可作為動物受困擾的證據。省級法律的援引情形：NL採納該守則（NLR 36/12；NLR 35/12 s.15規定，守則所禁止的做法即為被禁止的做法），SK規定為適用守則（Reg 1 s.3-4），NB（Reg 2000-4 s.4(2), Sch A）和BC（B.C. Reg. 34/2019，作為普遍接受的做法）將其列為抗辯理由，NS予以接受（Act s.28(b)）。必須評估是否有必要；僅在認定有必要時才進行。
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National Farm Animal Care Council Code of Practice: an industry code, not a statute. NFACC says Code requirements are not explicitly binding in most provinces but can be evidence of distress. Referred to in provincial law: adopted in NL (NLR 36/12; NLR 35/12 s.15 makes a practice a code prohibits a prohibited one), prescribed in SK (Reg 1 s.3-4), named as a defence in NB (Reg 2000-4 s.4(2), Sch A) and BC (B.C. Reg. 34/2019, as generally accepted practice), accepted in NS (Act s.28(b)). The need must be evaluated; only when deemed necessary.
NFACC Code of Practice: Pigs (2014), s.4.5.4 (industry code, not a statute)Checked 2026年11月4日
芬蘭
Whole country
禁止磨短或剪短仔豬的牙齒，但出於獸醫理由的除外；不再允許預防性剪牙。
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Clipping or grinding piglets' teeth is prohibited except for veterinary reasons; preventive clipping is no longer allowed.
Animal Welfare Act 693/2023 and the Government Decree on procedures, as stated by the Finnish Food Authority (Ruokavirasto)In force since 2024年1月1日Checked 2026年11月4日
美國
New Jersey
剪牙和修剪獠牙可由有知識的個人進行。
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Teeth trimming and tusk trimming may be done by a knowledgeable individual.
N.J.A.C. 2:8-7.6(d)Checked 2026年11月4日
英國
England
7日齡或以下，透過磨短或剪短統一磨短犬齒，在採取了針對惡癖的措施後仍有證據顯示受傷時。
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Uniform reduction of corner teeth at 7 days or under, by grinding or clipping, after measures against vices and where injury is still evidenced.
SI 2007/1100, Sch. 1 and Sch. 3In force since 2007年4月6日Checked 2026年11月4日
Northern Ireland
非專業人士：7日齡以內，在採取了其他措施後仍持續發生受傷時，統一磨短犬齒。
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Lay person: up to 7 days, uniform reduction of corner teeth, after other measures and with injuries still occurring.
Welfare of Animals (Permitted Procedures by Lay Persons) Regulations (NI) 2012 (S.R. 2012/153), Sch. 2In force since 2012年4月2日Checked 2026年11月4日
Scotland
7日齡或以下的養殖仔豬，透過磨短或剪短，且須在採取其他措施之後有證據顯示受傷。
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Farmed piglets at 7 days or less, by grinding or clipping, on evidence of injury after other measures.
SSI 2010/387, Sch. 2In force since 2010年11月5日Checked 2026年11月4日
Wales
7日齡或以下；在採取其他措施之後，有證據顯示受傷時，對犬齒統一磨短。
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At 7 days or under; uniform reduction of corner teeth, after other measures, on evidence of injury.
WSI 2007/1029, Sch. 3In force since 2007年3月28日Checked 2026年11月4日
紐西蘭
Whole country
牙齒只能由獸醫（或受監督的獸醫學生）剪斷，或依動物倫理委員會的程序剪斷，但4日齡或以下仔豬的犬齒和公豬的獠牙除外。獠牙必須用產科線鋸或牙鋸切斷。
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Teeth may be cut only by a veterinarian (or supervised veterinary student) or under an animal ethics committee procedure, except a pig's needle teeth at 4 days of age or under and a boar's tusks. Tusks must be cut with obstetrical wire or a dental saw.
Animal Welfare (Care and Procedures) Regulations 2018, r 56DIn force since 2021年5月9日Checked 2026年11月4日
捷克
Whole country
由有資格的人員在不使用麻醉的情況下磨短或剪短哺乳仔豬的牙齒。所讀文本取自某法律出版商所載Act 246/1992 Sb.的副本（最後修訂於2025年4月1日），並非官方彙編。
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Grinding or clipping the teeth of suckling piglets without anaesthesia, by a qualified person. Text read on a legal publisher's copy of Act 246/1992 Sb. (last amended 1 April 2025), not the official collection.
Act 246/1992 Sb., s.7(3)(f)Checked 2026年11月4日
荷蘭
Whole country
統一銼磨犬齒，不超過7日齡，發現受傷且各項措施均已失敗時。
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Filing corner teeth uniformly, not older than 7 days, where injuries are found and measures failed.
Besluit diergeneeskundigen, ch. 2, art. 2.3Checked 2026年11月4日
愛沙尼亞
Whole country
僅為其他豬的健康和福利而剪仔豬的牙齒。該機構頁面未引用條文編號；未能開啟法規本身（Riigi Teataja需要啟用指令碼的瀏覽器），請核對現行文本。
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Clipping piglets' teeth only for the benefit of the health and welfare of other pigs. The agency page cites no section numbers; the statute itself could not be opened (Riigi Teataja needs a script-enabled browser), so check the current wording.
Animal Protection Act (Loomakaitseseadus), as stated by the Agriculture and Food Board (PTA)Checked 2026年11月4日
愛爾蘭
Whole country
非常規的，不滿8日齡，透過磨短或剪短並留下平滑表面，須有受傷的證據，並在獸醫發表意見之後。
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Non-routine, under 8 days, grinding or clipping leaving a smooth surface, on evidence of injury and after a vet's opinion.
Animal Health and Welfare (Operations and Procedures) (No. 2) Regulations 2014 (S.I. 127/2014), Schedule, Part 2In force since 2014年3月6日Checked 2026年11月4日
德國
Whole country
僅對不滿8日齡的仔豬，在不使用麻醉的情況下銼磨犬齒，且僅限為保護母豬或同窩仔豬所必需時。
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Grinding eye teeth without anaesthesia only for piglets under 8 days, if essential to protect the sow or littermates.
Tierschutzgesetz, s.5(3)Checked 2026年11月4日
What each status means
- 禁止（有例外）
- Prohibited except under named exemptions, such as certified working dogs or a vet's medical decision.
- 有條件允許
- Allowed with conditions other than a vet: an age limit, a method, a licence.