Pfizer’s international market for Premarin is open game for competitors without the U. S. Food & Drug Administration’s protection of the company’s monopoly trade secret.
The key component for the production of Premarin is the estrogen rich urine collected from pregnant mares. This business has become commonly referred to as the pregnant mare’s urine or PMU industry.
In 2005, a Chinese company — Xinjiang Xinziyuan Biological Pharmaceutical Co., Ltd. — was formed for the express purpose of creating a Chinese PMU industry based in northwest China’s Nilka County, located within the Ili Kazakh Autonomous Prefecture of the Xinjiang Uygur Autonomous Region.
Breeding of PMU mares and sales of pregnant mare’s urine has since become the “sunrise industry” for the regional rural farm economy, providing a significant increase in income for the farmers and incentive to expand production and number of horses.
Pfizer is stated to be the reason for establishing…
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