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. 2010 Dec;26(4):301-13.
doi: 10.5487/TR.2010.26.4.301.

Risk assessment of growth hormones and antimicrobial residues in meat

Sang-Hee Jeong  1 , Daejin Kang, Myung-Woon Lim, Chang Soo Kang, Ha Jung Sung
Affiliations

Risk assessment of growth hormones and antimicrobial residues in meat

Sang-Hee Jeong et al. Toxicol Res. 2010 Dec.

Abstract

Growth promoters including hormonal substances and antibiotics are used legally and illegally in food producing animals for the growth promotion of livestock animals. Hormonal substances still under debate in terms of their human health impacts are estradiol-17β, progesterone, testosterone, zeranol, trenbolone, and melengestrol acetate (MGA) . Many of the risk assessment results of natural steroid hormones have presented negligible impacts when they are used under good veterinary practices. For synthetic hormonelike substances, ADIs and MRLs have been established for food safety along with the approval of animal treatment. Small amounts of antibiotics added to feedstuff present growth promotion effects via the prevention of infectious diseases at doses lower than therapeutic dose. The induction of antimicrobial resistant bacteria and the disruption of normal human intestinal flora are major concerns in terms of human health impact. Regulatory guidance such as ADIs and MRLs fully reflect the impact on human gastrointestinal microflora. However, before deciding on any risk management options, risk assessments of antimicrobial resistance require large-scale evidence regarding the relationship between antimicrobial use in food-producing animals and the occurrence of antimicrobial resistance in human pathogens. In this article, the risk profiles of hormonal and antibacterial growth promoters are provided based on recent toxicity and human exposure information, and recommendations for risk management to prevent human health impacts by the use of growth promoters are also presented.

Keywords: Antibiotic feed additives; Growth hormones; Growth promoters; Human health impact; Risk assessment.

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