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There are now several hormone and hormone-like agents that can improve the rate of growth and efficiency of feed use of farm animals. Feeding chickens with oral contraceptive steroids at… Click to show full abstract
There are now several hormone and hormone-like agents that can improve the rate of growth and efficiency of feed use of farm animals. Feeding chickens with oral contraceptive steroids at the dose used by some poultry growers in Egypt has led to the formation of high estrogen residues in the muscles and the liver compared with controls. Electron microscopy of the livers of treated chickens revealed changes at the ultrastructural level. These alterations involve both the nucleus and cytoplasmic organelles, and are similar to those induced by 7, 12 dimethylbenz [a] anthracene in chickens. It is concluded that the use of oral contraceptive steroids in chickens as anabolic agent is a specific risk to chickens and probably to the consumer
Journal Title: Eastern Mediterranean Health Journal
Year Published: 2021
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