IGFs played physiological roles on promoting growth, cell proliferation, differentiation and stimulating metabolism. Nanjiang Yellow Goats from 8 different tissues (semimembranosus (BM),triceps brachii muscle (BS), longissimus dorsi muscle (BZ), quadriceps femoris (GST),musculus biceps femoris buttocks (TG), liver, spleen and heart) and 6 different ages (0d, 15d,30d,60d,90d, 120d) were selected to study the spatialtemporal expression of IGFs genes by SYBR GreenⅠfluorescence quantitative PCR techniqu...