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Virologica Sinica, 33 (4) : 373, 2018
Letter
Molecular Epidemiology of Porcine Circovirus Type 3 Infection in Swine Herds in China
1. College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
2. National Research Center for Veterinary Medicine, High-Tech District, Luoyang 471003, China
3. Beijing Anheal Laboratories Co., Ltd. Beijing 100094, China
4. Pulike Bio-engineering Co., Ltd., Luoyang 471003, China
5. Sino Science Gene Technology Co., Ltd, Luoyang 471003, China
 Correspondence: tiankg@263.net
(1142.80KB)  
Abstract
Seven hundred thirty clinical tissue samples collected from diseased pigs in South, Middle, and North China were subjected to detect PCV3 DNA by PCR and results showed that PCV3 positive rate was 14.25%. Six PCV3 genomes were obtained and classified into 3 different clusters. The primary PCV3-postive clinical tissues were found to be lung, followed by lymph nodes, stillbirth, kidney, brain, tonsil, spleen, heart, and liver. Of these PCV3-postive samples, PCV2 and PRRSV were primary virus pathogens. The above results showed that PCV3 has widely spread in China and its potential threat to swine industry should be given full consideration.
Received: 26 Apr 2018  Accepted: 8 Sep 2018  Published online: 9 Jul 2018
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