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The article discusses a study for detection, genetic analysis and epidemiological survey for swine fever virus including classical swine fever virus (CSFV), Pseudorabies virus (PRV) and Porcine Circovirus Type 2 (PCV2) by the Nested-Polymerase Chain Reaction (PCR) of different samples from different farms in Guangxi Zhuang, China. It was observed that mixed infection was dominant with the CSF in Guangxi with complexity and E2 protein amino acid sites of CSFV Guangxi strains have mutated.

The article reports on the detection of the major pathogen of swine high fever disease and the major analysis of the rotavirus non-structural RNA-binding protein (nsp2) gene of porcine reproductive and respiratory syndrome virus (PRRSV) in 39 cities in Guangxi, China. It says that PRRSV mutants or the Nsp2 gene partial deletion were found on the 146 samples collected from the 137 farms. It reveals that the detection rate of the mutants is said to be the largest with as high as 59.59 percent.