Hormonal residues in chicken carcasses
2010
F. A. Khalafalla | E. M. El-Neklway | Hala A. M. Ibrahim
Ninety chicks were experimentally, orally received different doses of estradiol-17β and diethylstilbestrol with ration. Samples were collected from tissues (wings, breast muscles, thigh muscles, skin and fat) and giblets (liver and gizzard) for detection of hormonal residues after 4 and 21 days from the last dose, which proved the presence of such residues in all samples. Effect of temperatures (boiling, roasting and freezing) on hormonal residues of positive samples was evaluated. It was proved that There is no significant variations in reduction of hormonal residues in each of breast and thigh muscles of chickens at (p < 0.05) after boiling, roasting and freezing at - 20˚ C as well as a significant differences was detected in skin and fat samples at (p < 0.05) after boiling and roasting. Public health importance of hormonal residues was discussed.
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