This work was supported by the National Natural Science Foundation of China(30270998); Natural Science Foundation of Jiangsu Province,China(Q200443).
The DNA sequence encoding the chicken's insulin-like growth factor Ⅰ (IGF-Ⅰ) was amplified with the reverse transcription polymerase chain reaction (RT-PCR), which was then cloned into vector pMD18-T and sequen...