In this paper, the measurement of natural radioactivity in Sheep meat samples from different regions of Karbala governorate by using (Na(Tl)) detector. The results of measurements have shown that the specific activity and the determination of some other related parameters such as (Raeq , Hin, Iɣ, Iα, DƔ, Eff dos and AGDE). In fourteen four sheep meat samples by using NaI(Tl) detector. The results have shown that, the mean specific activity of (40K, 238U and 232Th) which were (6.813±1.82 Bq/kg, 3.865±1.033 Bq/kg and 1.02±1.03), respectively, were found to be less than the recommended values of specific activity given by (UNSCEAR, 2000).
 Mireles F., Davila J.I., Quirino L.L., Lugo J.F., Pinedo J.L. and Rios C., Natural soil gamma radioactivity levels and resultant population dose in the cities of Zacatecas and Guadalupe, Zacatecas, Mexico. Health Physics, 84, 368–372 (2003).
 Colmenero S. L., Montero M.E., Villalba L., Renterıa V. M., Torres M. E., Garcıa L.M., GarcıaT. R., Mireles G. F., Herrera E.F. and Sanchez A. D., Uranium-238 and thorium-232 series concentrations in soil, radon-222 indoor and drinking water concentrations and dose assessment in the governorate of Aldama, Chihuahua, Mexico. Journal of Environmental Radioactivity, 77, 205–219 (2004).
 Asaf, D., Medical Consequences of Contamination with Depleted Uranium, In Metal of Dishonor. International Action Center, New York, 1999.
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