Duha Gheni Mohsin and Ali Ahmed Abdulkareem 2023. The relationship between the genetic polymorphism of the IGF-1 gene and some production traits in Ross 308 broiler chickens has been studied. University of Thi-Qar Journal of agricultural research. 12, 2 (Dec. 2023), 270–279. DOI:https://doi.org/10.54174/s42p3215.