Result showed that the mean pulmonary artery pressure(mPAP) of Nif group decreased compared with low temperature group(LT) in 28 and 36-day-old broilers(P>0.05).

• 结果表明:在28和36日龄；硝苯地平与低温组比降低平均肺动脉压(mean Pulmonary Artery Pressure；mPAP)；在0.；05水平有差异;