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Hormone Growth Promotants in Meat

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Hormone Growth Promotants in Meat
Biology Report
Hormone Growth Promotants in Meat

Implantation of HGP in meat- is a highly controversial issue not only in New Zealand but also around the world. There is also many myths and misconceptions surrounding added HPG’s in the meat that we consume. In this report I will be discussing the effects of HGP in meat, the opinions for and against this procedure and also my own personal stance and proposed societal action.

Hormones are certain chemicals that are naturally present in all organisms. These hormones are heavily involved in an organisms body functions and are essential for reproduction, development and growth. (a1) Hormones ability to stimulate growth is the reason that they are implanted in meat. These hormones are called HGP which stands for Hormone Growth Promotants. “An HGP is any veterinary medicine containing either natural of synthetic hormones sold for the purpose of increasing muscle tone, growth rate, weight gain or feed efficiently of animals”. (a2) There are five main hormones that have been approved by the FDA (US Food and Drug Administration) to be used in meat implantation. These hormones are three naturally occurring ones which are Estradiol, progesterone and testosterone and two synthetic hormones which are zeranol and trenbolone acetate which mimic estradiol and testosterone. Estradiol, progesterone and zeranol are Estrogenic which means that they affect female characteristics. Testosterone and Trenbolone are androgenic which refers to hormones affecting the characteristics of males. (a3)
When hormones in meat are considered many think of poultry growth being stimulated by hormones (E.g in chicken breasts). However, contrary to common belief the implantation of HGPs are banned in all poultry production by the Ministry of Agriculture and Forestry(a5). Hormones in chicken has been banned in New Zealand for many decades and also in many western countries around the world. The outbreak of breast enlargement in males in Milan
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