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Revisiting Porcine Circovirus Infection: Recent Insights and Its Significance in the Piggery Sector
oleh: Hemanta Kumar Maity, Kartik Samanta, Rajib Deb, Vivek Kumar Gupta
Format: | Article |
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Diterbitkan: | MDPI AG 2023-07-01 |
Deskripsi
Porcine circovirus (PCV), a member of the <i>Circoviridae</i> family within the genus <i>Circovirus</i>, poses a significant economic risk to the global swine industry. PCV2, which has nine identified genotypes (a–i), has emerged as the predominant genotype worldwide, particularly PCV2d. PCV2 has been commonly found in both domestic pigs and wild boars, and sporadically in non-porcine animals. The virus spreads among swine populations through horizontal and vertical transmission routes. Despite the availability of commercial vaccines for controlling porcine circovirus infections and associated diseases, the continuous genotypic shifts from a to b, and subsequently from b to d, have maintained PCV2 as a significant pathogen with substantial economic implications. This review aims to provide an updated understanding of the biology, genetic variation, distribution, and preventive strategies concerning porcine circoviruses and their associated diseases in swine.