Nezam El-Tayebat 事实核查对“نظام الطيبات”饮食体系的科学评估
选择国家
选择语言: 简体中文

基本正确 有充分科学证据支持 证据确定性: 中 初步 C-CHK-06

肉鸡并没有被注射激素；关于“激素鸡”的普遍看法是错误的——真正的问题是饲料中的抗生素。

简而言之: 这一说法在其要点上是正确的：肉鸡并没有被常规注射激素，它们生长快是育种和饲喂的结果；激素的使用在欧盟是被禁止的，在美国也未被批准用于家禽。Elawady 在其他视频中说法与此相矛盾。
结论: 正确：肉鸡并没有被使用激素；它们生长快是因为育种和饲料。Elawady 在其他视频中说法与此相矛盾。
  1. 原始表述
  2. 科学评估
  3. 科学证据详解
  4. 通俗解释
  5. 与该说法相关的研究
  6. 地区背景
  7. 在我的国家适用什么？
  8. 参考文献

原始表述

الفراخ متهرمنه لا ما فيش حاجه اسمها متهرمنه مبدئيا عشان غاليه جدا جدا ... ومش همسك كل فرخه حقنها ولا كل بيضه حقينها هرمون

按来源为原话. 译文由本项目提供；以阿拉伯语原文为准。

译文

肉鸡并没有被注射激素；关于“激素鸡”的普遍看法是错误的——真正的问题是饲料中的抗生素。

出处

来源状态
视频转录文本（本人原话）
归属
Elawady (machine transcript)
视频
ودي الحلقه التانيه من البودكاست…حلقه استثنائيه وقولولي رأيكوا (打开来源)
发布日期
2026年4月10日
时间戳
1:17:20 (在原视频 YouTube 自动字幕轨中的位置；可确认该内容出现的位置，但不能确认说话人是谁)
归属的不确定性
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
所声称的机制

Fast growth results from genetics, feeding and (in his view) antibiotics, not hormone injections.

所声称的健康影响

None (correction of a myth).

涉及人群

general population (not specified)

Elawady 设定的地域限制

none found

来源版本存在差异

来源状态
视频转录文本（本人原话）
归属
Elawady (machine transcript)
视频
Dr Diaa Al Awady د ضياء العوضي is live! مفيش حاجه سعرات مفيش حاجه اسمها نشويات (打开来源)
发布日期
2025年8月7日
时间戳
无（转录文本不含时间信息）
归属的不确定性
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
来源状态
视频转录文本（本人原话）
归属
Elawady (machine transcript)
视频
ارتفاع السكر والأسيتون ؟خطر والا ده الطبيعي ؟#ضياء_العوضي (打开来源)
发布日期
2025年12月23日
时间戳
无（转录文本不含时间信息）
归属的不确定性
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
来源状态
视频转录文本（本人原话）
归属
Elawady (machine transcript)
视频
Dr Diaa Al Awady د ضياء العوضي is live! الموت المفاجيء (打开来源)
发布日期
2025年7月14日
时间戳
无（转录文本不含时间信息）
归属的不确定性
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.

科学评估

基本正确 – 核心内容正确，但有局限或细微不准确之处。

证据确定性: 中 – 进一步研究仍可能影响该评估。

1. 说法是什么？

Chickens are not hormone-injected; antibiotics in feed are the issue.

2. 哪些内容可证实是正确的？

The fast growth of broilers (he mentions 40 g to 2 kg in about 33 days) is widely attributed to breeding and feed; injecting individual birds would be impractical, as he notes. The review on woody breast (I-CHK-11) links modern broiler problems to genome, nutrition and management.

3. 哪些内容是错误或夸大的？

In other videos he lists 'injected hormones' among food problems, which contradicts this statement.

4. 哪些内容仍不明确？

Whether illegal hormone use occurs anywhere in Egyptian poultry; no confirmatory (LC-MS/MS) residue survey exists. One Egyptian ELISA study (I-RES-09) measured natural hormones that occur in all meat.

5. 哪些研究支持该说法？

I-CHK-119 (FDA), I-CHK-120 (poultry-science extension), I-RES-02 (EU ban), I-INTA-11 and I-CHK-11 (growth from genetics and nutrition).

6. 哪些研究与该说法相矛盾？

No evidence of practice found. I-CHK-121 (feasibility experiment in Egypt) and I-CHK-122 (a steroid used as 'growth promoter' actually reduced growth) concern feasibility only.

7. 对德国和欧洲而言情况如何？

Hormonal growth promoters are prohibited in EU stockfarming (Directive 96/22/EC, I-RES-02).

8. 关于埃及的已知情况是什么？

The Ministry of Agriculture was reported in January 2026 as stating that hormone use in poultry is untrue and legally prohibited; no legal text was found (the project's research files). No study documents hormone administration in Egyptian broilers.

9. 合理的实际结论是什么？

这是 Elawady 纠正了一个流行误解的一个例子；这一说法与主流认识一致。

评估详情

证据确定性的依据

Primary regulatory sources agree: the FDA states that no steroid hormone implants are approved for growth in poultry (I-CHK-119), and the EU prohibits hormonal growth promoters (I-RES-02). Poultry scientists explain that fast growth comes from breeding and that hormone injections would be impractical (I-CHK-120; I-INTA-11: +400% growth from genetics). The Egyptian Ministry of Agriculture denies hormone use in poultry (press report, January 2026; the project's research files), and no study documents it. A small Egyptian experiment showed that oral hormones can increase chicken weight (I-CHK-121), so feasibility cannot be fully excluded, and confirmatory residue monitoring in Egypt is missing.

来源质量

Own words (machine transcript, podcast 2026-04-10); contradicted in passing in other videos.

地区可推广性

Applies broadly to modern broiler production.

个体例外情况

Not applicable.

说法的地域范围
取决于生产条件
最近审核
2026年10月26日 初步

科学证据详解

有充分科学证据支持 – 该说法与一致的高质量证据相符。

研究问题: Are broiler chickens (in Egypt, the EU and elsewhere) given hormones to promote growth, or is their fast growth due to genetics, feed and (where used) antibiotics?

研究问题详解 (PECO)
人群
Commercial broilers
干预或暴露
Hormone administration for growth
对照
No hormones (genetics, nutrition, management)
地域范围
production-dependent; regulatory facts by country
结局指标
  • legal status
  • evidence of practice
  • residue findings
  • biological plausibility

研究结果按作者报告呈现。我们的评估见下文。

哪些证据支持该说法？

  • US: hormone implants allowed in beef cattle, not in poultry

    U.S. Food and Drug Administration. FDA web page 2024 指南 / 立场声明已核查全文新增

    FDA regulatory page.

    实际结果
    'No steroid hormone implants are approved for growth purposes in ... pigs, or poultry'; approved only for beef cattle and sheep.
    方法学质量
    high (primary regulatory source)
    相关性
    direct for USA
    局限
    US only.

    原始文献

  • Why do modern chickens grow so fast?

    Zuidhof MJ et al.. Poultry science 2014 · PMID 25260522 · DOI 10.3382/ps.2014-04291 其他已核查摘要

    Comparison of 1957, 1978 and 2005 broiler strains on the same feed.

    实际结果
    Growth +400% and FCR -50%, from genetic selection.
    方法学质量
    moderate
    相关性
    direct for the cause of fast growth
    局限
    Single experiment.

    原始文献

  • EU hormone ban in livestock

    Council of the EU. Official Journal of the EC 1996 指南 / 立场声明已核查摘要

    EU Directive 96/22/EC.

    实际结果
    Prohibits hormonal substances for growth promotion in farm animals.
    方法学质量
    high (law)
    相关性
    direct for EU
    局限
    Article text not extracted in earlier phase.

    原始文献

哪些证据不支持该说法？

  • Egyptian experiment: hormone pills made chickens heavier and stressed the liver

    Badr MO et al.. Vet Ital 2009 · PMID 20391405 动物研究已核查摘要新增

    Egyptian experiment giving oral contraceptive hormones to chickens.

    实际结果
    Both drugs increased body weight and liver enzymes; residues in liver and muscle.
    方法学质量
    very low (n = 60; 'Duplicate Publication')
    相关性
    indirect: feasibility only
    局限
    No evidence of farm use.

    原始文献

  • Hormones in Egyptian meat (ELISA)

    Kamaly HF & Sharkawy AA. Food Chem Toxicol 2023 · PMID 37956705 · DOI 10.1016/j.fct.2023.114172 检测 / 残留研究已核查摘要

    Egyptian ELISA study of hormone residues in chicken and cattle meat.

    实际结果
    Estradiol intake above ADI in almost all samples (authors).
    方法学质量
    low (ELISA cannot distinguish natural from administered hormones)
    相关性
    indirect
    局限
    Natural hormones occur in all meat.

    原始文献

总体证据说明了什么？

基于上述研究的编辑评估——其本身并非研究结果。

哪种观点有更好的证据支持？

Broilers are not routinely given hormones; fast growth is explained by genetic selection and nutrition; hormone use is prohibited in the EU and not approved in the USA, and the Egyptian Ministry of Agriculture denies it (the project's research files).

为什么有些研究权重更大

Regulatory sources and genetic data weigh more than one small Egyptian feasibility experiment and an ELISA study that cannot identify administered hormones.

因果关系是否已确立？ 不适用 Question of practice, not of a health effect.

仍存在的不确定性

No Egyptian monitoring data with confirmatory methods; illegal use cannot be fully excluded anywhere.

合理的结论

Elawady's statement that broilers are not hormone-injected is correct; his statement that antibiotics are 'the real issue' is partly correct for Egypt (routine use, C-CHK-05) but antibiotics are not the main cause of fast growth.

为什么研究结果看起来互相矛盾？

I-CHK-121 shows oral hormones can raise chicken weight experimentally, contrary to the extension claim that feed hormones 'would not be effective' (I-CHK-120). This concerns feasibility; neither shows actual use.

这是否取决于国家？
一般生物学效应
Fast growth of modern hybrids is genetic (same breeding companies worldwide).
饮食习惯
Not relevant.
食品原产地
Imported and domestic broilers use the same genetics.
污染物
Natural sex hormones occur in all meat; ELISA screening cannot separate them from administered ones.
本国生产条件
Egypt: Ministry of Agriculture statement (January 2026, reported in press) denies hormone use in poultry and says it is legally prohibited; no legal text found (the project's research files, RS-EG-12).
法律规则
EU: Directive 96/22/EC; USA: no approved implants for poultry; Egypt: NFSA Decision 13/2020 lists Codex residue limits but does not authorise use.
实际监测数据
No confirmatory hormone residue monitoring for Egypt found.

足以改变结论的地区差异没有可靠数据支持。

统计复核
  • Recalculation possible? – No: abstract reports only percentage changes without variance; not recalculable. 无法根据已发表数据重新计算
总体证据的确定性（GRADE，简化版）
主要结局
Routine hormone administration in broiler production
起始等级
低（观察性研究）
升级理由
  • consistent regulatory and genetic evidence
结果
中

由单名审查者参照 GRADE 方法进行的简化评估；并非正式的 GRADE 专家组评估。GRADE 评价的是针对某一结局的整体证据，而非单项研究。

已核查的临床指南和官方声明
  • FDA: Steroid Hormone Implants Used for Growth in Food-Producing Animals (2024) · 原始文献
    Steroid hormone implants are approved for beef cattle and sheep; none are approved for growth in dairy cows, veal calves, pigs or poultry.
  • EU: Council Directive 96/22/EC (hormonal substances and beta-agonists in stockfarming), as recorded in the project's research files (RS-EU-15) (1996) · 原始文献 无法获取；内容未采用
检索策略

本次审查的文献检索记录（检索式采用原数据库语法）。

数据库日期检索式检索目标命中数纳入数
Europe PMC2026年10月26日(TITLE:broiler OR TITLE:chicken OR TITLE:poultry) AND (TITLE:hormone OR TITLE:hormones OR TITLE:estradiol OR TITLE:steroid OR TITLE:anabolic) AND (TITLE:residue OR TITLE:residues OR TITLE:myth OR TITLE:"growth promot" OR TITLE:meat)反对性证据13
PubMed2026年10月26日(broiler*[tiab] OR chicken meat[tiab]) AND (hormone residue*[tiab] OR steroid residue*[tiab] OR anabolic*[tiab] OR estradiol[tiab]) AND (LC-MS[tiab] OR "mass spectrometry"[tiab] OR consumer*[tiab])反对性证据5
PubMed2026年10月26日(boldenone[tiab] OR trenbolone[tiab] OR zeranol[tiab] OR anabolic[tiab]) AND (residue*[tiab]) AND (Egypt*[tiab] OR Arab*[tiab] OR Saudi[tiab] OR Iraq*[tiab])反对性证据3
Web search2026年10月26日FDA steroid hormone implants used for growth in food-producing animals poultry hogs not approved支持性证据9

待解决的问题

Confirmatory (LC-MS/MS) hormone residue survey in Egyptian poultry.

核查深度如何？

8 项相关研究：2 项核查了全文（其中 0 项进行了结构化偏倚风险评估），6 项基于摘要核查，0 项仅核查了文献信息。 尚未进行由两名独立审查者完成的正式评估，也尚未进行独立的人类专家审核。

最近一次科学审核: 2026年10月26日

评定结论的变更历史
  1. 2026年10月25日 · 第 1 阶段 · 初始评估: 基本正确 (低)
  2. 2026年10月26日 · 第 4 阶段（系统证据审查） · 评定结论已更改: 基本正确 (低) → 基本正确 (中)
    Certainty raised: a primary regulatory source (FDA) was fetched, expert extension material agrees, and the Egyptian regulatory situation is documented in the project's research files (ministry denial, no evidence of use). Verdict unchanged because Elawady's statements were inconsistent and Egyptian confirmatory residue data are missing.
    新来源: I-CHK-119 I-CHK-120 I-CHK-121 I-CHK-122

通俗解释

Elawady 医生在一期播客中说，认为鸡被注射了激素的普遍看法是错误的，因为那样做成本太高了。这与家禽专家的说法一致：鸡生长快是因为育种和饲喂。不过，在其他一些视频中，他又提到了注射激素。

与该说法相关的研究

支持该说法的研究 (5)

  • Woody breast in modern chickens

    Greene ES et al.. Avian Pathol 2025 · PMID 40658058 · DOI 10.1080/03079457.2025.2533454
    叙述性综述独立交叉核查已核查摘要

    Muscle disorders such as woody breast are widespread in fast-growing broilers.

    Broiler chickens are not injected with hormones; the common belief about 'hormonised chicken' is wrong - the real issue is antibiotics in feed.

    该研究是否支持这一具体说法？ 是 · 方法学质量: 中 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    Current knowledge on broiler breast myopathies

    研究是如何开展的？

    Expert narrative review

    研究了多少人、动物或样本？

    Not applicable; Modern broilers

    实际发现了什么？

    Breast myopathies emerged at large scale; among the most significant economic and welfare challenges; no effective prevention; unknown aetiologies involving broiler genome, nutrition and management.

    观察到的效应有多大？

    Not applicable

    研究结果对日常生活意味着什么？

    A meat quality and welfare issue.

    该研究有哪些局限？

    Narrative

    它对 Elawady 的具体说法说明了什么？

    Supports the observation.

    研究结果是否适用于德国和欧洲？

    High.

    从该研究中明确不能得出什么结论？

    No human health data.

    科学细节 →

  • US: hormone implants allowed in beef cattle, not in poultry

    U.S. Food and Drug Administration. FDA web page 2024
    指南 / 立场声明独立交叉核查已核查全文

    FDA approves hormone implants for beef cattle and sheep, but none for poultry or pigs.

    No hormone implants are approved for growth in poultry in the USA.

    该研究是否支持这一具体说法？ 是 · 方法学质量: 高 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    For which food-producing animals are steroid hormone growth implants approved in the USA?

    研究是如何开展的？

    Regulatory agency information page

    研究了多少人、动物或样本？

    not applicable

    实际发现了什么？

    FDA 'has approved a number of steroid hormone drugs for use in beef cattle and sheep', including natural estrogen, progesterone, testosterone and synthetic versions such as trenbolone acetate and zeranol. 'No steroid hormone implants are approved for growth purposes in dairy cows, veal calves, pigs, or poultry.' FDA sets acceptable safe limits for hormones in meat.

    观察到的效应有多大？

    FDA 'has approved a number of steroid hormone drugs for use in beef cattle and sheep', including natural estrogen, progesterone, testosterone and synthetic versions such as trenbolone acetate and zeranol. 'No steroid hormone implants are approved for growth purposes in dairy cows, veal calves, pigs, or poultry.' FDA sets acceptable safe limits for hormones in meat.

    研究结果对日常生活意味着什么？

    Hormones are a real practice in US beef, but not in chicken.

    该研究有哪些局限？

    US-specific

    它对 Elawady 的具体说法说明了什么？

    Supports the broiler statement; partly supports hormone use in cattle (other countries).

    研究结果是否适用于德国和欧洲？

    EU bans hormonal growth promoters (Directive 96/22/EC, I-RES-02).

    从该研究中明确不能得出什么结论？

    Says nothing about illegal use in other countries.

    科学细节 →

  • Poultry scientists: chickens are not given growth hormones

    Tabler T, Wells J, Zhai W. MSU Extension Service 2023 (date not stated; code POD-05-23)
    叙述性综述独立交叉核查已核查全文

    US extension experts state that hormones have been banned in poultry since the 1950s and would not work in feed.

    States that hormones are not used in broilers and would be impractical (multiple daily injections).

    该研究是否支持这一具体说法？ 是 · 方法学质量: 低 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    Are broilers given growth hormones, and why do they grow fast?

    研究是如何开展的？

    University extension publication (expert narrative)

    研究了多少人、动物或样本？

    not applicable

    实际发现了什么？

    'Hormone use in poultry production was banned in the United States in the 1950s'; 'growth hormones added to chicken feed would NOT be effective'; birds 'would need to receive growth hormone injections several times each day'; fast growth is attributed to genetic selection, nutrition and management, none related to hormones.

    观察到的效应有多大？

    'Hormone use in poultry production was banned in the United States in the 1950s'; 'growth hormones added to chicken feed would NOT be effective'; birds 'would need to receive growth hormone injections several times each day'; fast growth is attributed to genetic selection, nutrition and management, none related to hormones.

    研究结果对日常生活意味着什么？

    Fast growth comes from breeding and feed.

    该研究有哪些局限？

    Extension (non-peer-reviewed) text; Possible industry-friendly framing; Publication date not stated

    它对 Elawady 的具体说法说明了什么？

    Supports Elawady's corrected statement; matches his reasoning that injections would be impractical.

    研究结果是否适用于德国和欧洲？

    Breeding stock is the same internationally.

    从该研究中明确不能得出什么结论？

    Does not prove absence of illegal use anywhere.

    科学细节 →

  • Why do modern chickens grow so fast?

    Zuidhof MJ et al.. Poultry science 2014 · PMID 25260522 · DOI 10.3382/ps.2014-04291
    其他独立交叉核查已核查摘要

    Modern broilers grew over four times faster than 1957 birds on the same feed, showing the role of breeding.

    该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 中 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    Broiler genetics and growth

    研究是如何开展的？

    Strain comparison on identical diet

    研究了多少人、动物或样本？

    180 chicks per strain

    实际发现了什么？

    Growth +400% from 1957 to 2005

    观察到的效应有多大？

    FCR -50%

    研究结果对日常生活意味着什么？

    Fast growth is mostly bred into the birds

    该研究有哪些局限？

    One experiment

    它对 Elawady 的具体说法说明了什么？

    Qualifies 'antibiotics make chickens grow' (C-RES-05)

    研究结果是否适用于德国和欧洲？

    High

    从该研究中明确不能得出什么结论？

    Whether antibiotics are still used in Egypt

    科学细节 →

  • EU hormone ban in livestock

    Council of the EU. Official Journal of the EC 1996
    指南 / 立场声明独立交叉核查已核查摘要

    The EU prohibits hormonal growth promoters in farm animals.

    该研究是否支持这一具体说法？ 不明确 · 方法学质量: 高 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    Ban hormones.

    研究是如何开展的？

    Directive.

    实际发现了什么？

    Prohibition.

    研究结果对日常生活意味着什么？

    No legal hormone fattening in EU.

    该研究有哪些局限？

    Title only read.

    它对 Elawady 的具体说法说明了什么？

    Contradicts claim for EU.

    研究结果是否适用于德国和欧洲？

    High.

    科学细节 →

与该说法相矛盾或限制该说法的研究 (1)

  • Hormones in Egyptian meat (ELISA)

    Kamaly HF & Sharkawy AA. Food Chem Toxicol 2023 · PMID 37956705 · DOI 10.1016/j.fct.2023.114172
    检测 / 残留研究独立交叉核查已核查摘要

    A small study reported high hormone levels, but its method cannot tell natural from added hormones.

    该研究是否支持这一具体说法？ 不明确 · 方法学质量: 低 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    Measure hormones.

    研究是如何开展的？

    ELISA.

    研究了多少人、动物或样本？

    148 samples.

    实际发现了什么？

    High estimated intake.

    观察到的效应有多大？

    HI > 1.

    研究结果对日常生活意味着什么？

    Data gap in Egypt.

    该研究有哪些局限？

    Weak method.

    它对 Elawady 的具体说法说明了什么？

    Unclear.

    研究结果是否适用于德国和欧洲？

    Low.

    从该研究中明确不能得出什么结论？

    Illegal use.

    科学细节 →

结果不一或不明确的研究 (2)

  • Egyptian experiment: hormone pills made chickens heavier and stressed the liver

    Badr MO et al.. Vet Ital 2009 · PMID 20391405
    动物研究独立交叉核查已核查摘要

    In 60 chickens, oral contraceptive hormones increased weight and liver enzymes and left residues.

    Oral contraceptive hormones increased chicken weight in an Egyptian experiment, so feasibility cannot be fully excluded; no evidence of use on farms.

    该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 极低 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    What are the effects of orally given oestrogenic contraceptive drugs on chicken growth, biochemistry and tissue residues?

    研究是如何开展的？

    Experimental feeding study (3 groups x 20 chickens)

    研究了多少人、动物或样本？

    60 chickens

    实际发现了什么？

    Both drugs caused a gain in body weight; ALT +410% and +300%, AST +278% and +262%, creatinine +62% and +42%; oestrogen residues higher in liver (+26% and +71%) and muscle (+17.5% and +43%) vs controls; some changes not significant 15 days after stopping.

    观察到的效应有多大？

    Both drugs caused a gain in body weight; ALT +410% and +300%, AST +278% and +262%, creatinine +62% and +42%; oestrogen residues higher in liver (+26% and +71%) and muscle (+17.5% and +43%) vs controls; some changes not significant 15 days after stopping.

    研究结果对日常生活意味着什么？

    Hormones can work in chickens in an experiment, but this does not show farms use them.

    该研究有哪些局限？

    Small; methods for residues not described in abstract; PubMed labels it 'Duplicate Publication'; Does not show use in practice

    它对 Elawady 的具体说法说明了什么？

    Weakens the argument that hormones would not work; does not show hormonised chicken exists.

    研究结果是否适用于德国和欧洲？

    EU bans such use.

    从该研究中明确不能得出什么结论？

    Cannot estimate any real-world use.

    科学细节 →

  • A steroid sold as a growth promoter made broilers grow less

    Islam R et al.. Poult Sci 2022 · PMID 35523031 · DOI 10.1016/j.psj.2022.101904
    动物研究独立交叉核查已核查摘要

    Dexamethasone reduced weight gain and feed efficiency in broilers.

    Shows that a steroid is reportedly used in some settings, but it did not promote growth.

    该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 低 · 证据确定性：见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么？

    Does dexamethasone, described as a commonly used growth promoter, improve broiler growth and meat quality?

    研究是如何开展的？

    Experimental feeding trial (4 groups x 20 chicks, 28 days)

    研究了多少人、动物或样本？

    80 chicks

    实际发现了什么？

    Dexamethasone substantially decreased (P < 0.05) feed intake, feed efficiency and overall weight gain; breast and thigh weight decreased; relative meat weight increased; residues detected by TLC at the high dose.

    观察到的效应有多大？

    Dexamethasone substantially decreased (P < 0.05) feed intake, feed efficiency and overall weight gain; breast and thigh weight decreased; relative meat weight increased; residues detected by TLC at the high dose.

    研究结果对日常生活意味着什么？

    Steroid 'boosters' do not make chickens grow faster; fast growth comes from breeding.

    该研究有哪些局限？

    Small; TLC residue method; Country of practice not stated in abstract

    它对 Elawady 的具体说法说明了什么？

    Supports that hormones are not the cause of fast growth; notes possible misuse.

    研究结果是否适用于德国和欧洲？

    Not authorised in the EU.

    从该研究中明确不能得出什么结论？

    Does not quantify use anywhere.

    科学细节 →

地区背景

德国 / 欧盟

Hormonal growth promoters are prohibited in EU stockfarming (Directive 96/22/EC, I-RES-02).

埃及

The Ministry of Agriculture was reported in January 2026 as stating that hormone use in poultry is untrue and legally prohibited; no legal text was found (the project's research files). No study documents hormone administration in Egyptian broilers.

在我的国家适用什么？

一般科学评估

基本正确 正确：肉鸡并没有被使用激素；它们生长快是因为育种和饲料。Elawady 在其他视频中说法与此相矛盾。

以下食品安全领域与该说法相关：

  • 农药与农药残留
  • 兽药与抗生素
  • 激素类促生长剂
  • 污染物（重金属、PFAS、PCB、二噁英、硝酸盐）
  • 病原体（沙门氏菌、弯曲杆菌等）
  • 畜禽养殖与饲料
  • 监管、进口、召回、标签

蛋类 · 禽类 · 乳制品 · 鱼类与海产品 · 红肉 · 水果与蔬菜

选择一个国家，查看针对该国已核查的信息。

局限：法律规则描述的是允许什么，而不是每一种食品实际含有什么。检测数据来自样本，只有结合其方法细节才有意义。

居住或购买所在国 与另一个国家比较

参考文献

  1. Breast muscle myopathies: twists and turns in modern broilers.. Greene ES et al.. Avian Pathol 2025 · PMID 40658058 · DOI 10.1080/03079457.2025.2533454
  2. FDA: Steroid Hormone Implants Used for Growth in Food-Producing Animals (content current as of 24 October 2024). U.S. Food and Drug Administration. FDA web page 2024
  3. Chickens Do Not Receive Growth Hormones: So Why All the Confusion? (Mississippi State University Extension, Publication P2767). Tabler T, Wells J, Zhai W. MSU Extension Service 2023 (date not stated; code POD-05-23)
  4. Growth, efficiency, and yield of commercial broilers from 1957, 1978, and 2005.. Zuidhof MJ et al.. Poultry science 2014 · PMID 25260522 · DOI 10.3382/ps.2014-04291
  5. Council Directive 96/22/EC concerning the prohibition on the use in stockfarming of certain substances having a hormonal or thyrostatic action and of beta-agonists. Council of the EU. Official Journal of the EC 1996
  6. Hormonal residues in chicken and cattle meat: A risk threat the present and future consumer health.. Kamaly HF & Sharkawy AA. Food Chem Toxicol 2023 · PMID 37956705 · DOI 10.1016/j.fct.2023.114172
  7. Effect of oestrogenic compounds on performance and biochemical parameters of chickens in Egypt.. Badr MO et al.. Vet Ital 2009 · PMID 20391405
  8. Role of steroid growth promoter on growth performance and meat quality traits in broiler.. Islam R et al.. Poult Sci 2022 · PMID 35523031 · DOI 10.1016/j.psj.2022.101904

← 返回概览