& AL-Suhail, A.-H. 2017. THE EFFECT OF IGF-1 GENE POLYMORPHISMS ON SOME PHYSIOLOGICAL AND PRODUCTIVE PARAMETRS IN BROILER CHICKEN BREED COBB500. IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 48, 5 (Oct. 2017). DOI:https://doi.org/10.36103/ijas.v48i5.337.