Expression of pEGFP-C1, pEGFP-N3, pDsRed1-N1 and pEYFP-N1 gene in Jingning chicken fibroblasts. (a-d) Fluorescent proteins of pEGFP-C1, pEGFP-N3, pDsRed1-N1and pEYFP-N1 at 24 h after transfection; (e-h) fluorescent proteins of pEGFP-C1, pEGFP-N3, pDsRed1-N1and pEYFP-N1at 48 h after transfection; (i-l) fluorescent proteins of pEGFP-C1, pEGFP-N3, pDsRed1-N1 and pEYFP-N1at 72 h after transfection.