Dear Editor,Transposable phages,which are reproduced by transposition(Harshey,2012;Taylor,1963),have been widely applied in the field of biotechnology to manipu
Porcine respiratory disease complex(PRDC) is a serious health problem that mainly affects growing and finishing pigs. PRDC is caused by a combination of viral a
An amino acid mutation(R127→I) in the 3A non-structural protein of an FMDV serotype Asia1 rabbit-attenuated ZB strain was previously found after attenuation of