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FU Guang-hua, FU Qiu-ling, HUANG Yu, CHENG Long-fei, CHEN Hong-mei, WAN Chun-he, SHI Shao-hua, CHEN Zhen, CHEN Cui-teng, LIN Jian-sheng. Epidemiology of Avian Paramyxovirus Type 1 in Laying Ducks and It's Pathogenicity in Sheldrake Ducks of Different Ages[J]. Fujian Journal of Agricultural Sciences, 2016, 31(5): 445-448. doi: 10.19303/j.issn.1008-0384.2016.05.001
Citation:
FU Guang-hua, FU Qiu-ling, HUANG Yu, CHENG Long-fei, CHEN Hong-mei, WAN Chun-he, SHI Shao-hua, CHEN Zhen, CHEN Cui-teng, LIN Jian-sheng. Epidemiology of Avian Paramyxovirus Type 1 in Laying Ducks and It's Pathogenicity in Sheldrake Ducks of Different Ages[J]. Fujian Journal of Agricultural Sciences, 2016, 31(5): 445-448. doi: 10.19303/j.issn.1008-0384.2016.05.001
FU Guang-hua, FU Qiu-ling, HUANG Yu, CHENG Long-fei, CHEN Hong-mei, WAN Chun-he, SHI Shao-hua, CHEN Zhen, CHEN Cui-teng, LIN Jian-sheng. Epidemiology of Avian Paramyxovirus Type 1 in Laying Ducks and It's Pathogenicity in Sheldrake Ducks of Different Ages[J]. Fujian Journal of Agricultural Sciences, 2016, 31(5): 445-448. doi: 10.19303/j.issn.1008-0384.2016.05.001
Citation:
FU Guang-hua, FU Qiu-ling, HUANG Yu, CHENG Long-fei, CHEN Hong-mei, WAN Chun-he, SHI Shao-hua, CHEN Zhen, CHEN Cui-teng, LIN Jian-sheng. Epidemiology of Avian Paramyxovirus Type 1 in Laying Ducks and It's Pathogenicity in Sheldrake Ducks of Different Ages[J]. Fujian Journal of Agricultural Sciences, 2016, 31(5): 445-448. doi: 10.19303/j.issn.1008-0384.2016.05.001
Institute of Animal Husbandry and Veterinary Medicine, Fujian Academy of Agricultural Sciences, Fujian Animal Diseases Control Technology Development Center, Fujian Provincial Key Laboratory for Avian Diseases Control and Prevention, Fuzhou, Fujian 350013, China
To investigate the epidemiology of Avian Paramyxovirus type 1(APMV-1) in laying ducks, a total of 495 samples were collected from laying ducks in six provinces (Fujian, Zhejiang, Jiangxi, Guangdong, Guangxi and Jiangsu) during 2011-2015. All samples were tested by using reverse transcript PCR to detect APMV-1 infection, and pathogenicity of different virus isolates were determined in laying ducks. Results showed that positive rate of APMV-1 in laying duck was range from 3.4% to 10.7%, and this indicated that APMV-1 was circulated in ducks in different place unevenly. Pathogenicity analysis showed that lethality rate in Sheldrake infected with genotype VII APMV-1 was higher than that in Sheldrake infected with genotype IX APMV-1. The pathogenicity of APMV-1 in laying duck was decreased according to the increase in age, while the laying performance of the older Sheldrake was heavy affected under the infection of APMV-1.
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