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Effect of goose parvovirus and duck circovirus coinfection in ducks

Jie Liu

Jie Liu

College of Veterinary Medicine, Shandong Agricultural UniversityTai’an, China
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Liu, Jie
, 
Xiaoxia Yang

Xiaoxia Yang

Hospital of Shandong Agricultural UniversityTai’an, China
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Yang, Xiaoxia
, 
Xiaojing Hao

Xiaojing Hao

Qindao Husbandry and Veterinary InstituteQingdao, China
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Hao, Xiaojing
, 
Yongsheng Feng

Yongsheng Feng

Qindao Husbandry and Veterinary InstituteQingdao, China
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Feng, Yongsheng
, 
Yuli Zhang

Yuli Zhang

Station of Popularising Husbandry TechniquesJinan, China
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Zhang, Yuli
 e 
Ziqiang Cheng

Ziqiang Cheng

College of Veterinary Medicine, Shandong Agricultural UniversityTai’an, China
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Cheng, Ziqiang
  
14 lug 2020
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Pubblicato online: 14 lug 2020
Pagine: 355 - 361
Ricevuto: 02 dic 2019
Accettato: 26 giu 2020
DOI: https://doi.org/10.2478/jvetres-2020-0048
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© 2020 J. Liu et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Weight gain of infected ducks. **P < 0.01 and ***P < 0.001
Weight gain of infected ducks. **P < 0.01 and ***P < 0.001

Fig. 2

Gross lesions of infected ducks. They were severe thymic atrophy, a mild to moderately atrophied spleen and bursa of Fabricius, pale bone marrow and spleen, and hepatic necrosis in the GPV and DuCV coinfected group. Scale bar = 1 cm
Gross lesions of infected ducks. They were severe thymic atrophy, a mild to moderately atrophied spleen and bursa of Fabricius, pale bone marrow and spleen, and hepatic necrosis in the GPV and DuCV coinfected group. Scale bar = 1 cm

Fig. 3

Histological lesions of infected ducks at 30 dpi (200×). A. Lesions of the liver, kidneys, and duodenum. Extensive hepatocellular vacuolar degeneration, necrosis, and lymphocyte infiltration in the liver, severe degeneration, necrosis, exfoliation, and heterophilic granulocyte infiltration in renal tubular epithelial cells, and necrosis and exfoliation, haemorrhage, glandular tube atrophy, and lymphocyte infiltration in the duodenal villi are visible. B. Lesions of immune organs. Lymphocyte loss and haemorrhage in the spleen, infiltrating heterotropic granulocytes, thymic corpuscle disintegration, loss of lymphocytes in the cortex and medulla of the bursa, and histiocyte loss in the bone marrow are visible
Histological lesions of infected ducks at 30 dpi (200×). A. Lesions of the liver, kidneys, and duodenum. Extensive hepatocellular vacuolar degeneration, necrosis, and lymphocyte infiltration in the liver, severe degeneration, necrosis, exfoliation, and heterophilic granulocyte infiltration in renal tubular epithelial cells, and necrosis and exfoliation, haemorrhage, glandular tube atrophy, and lymphocyte infiltration in the duodenal villi are visible. B. Lesions of immune organs. Lymphocyte loss and haemorrhage in the spleen, infiltrating heterotropic granulocytes, thymic corpuscle disintegration, loss of lymphocytes in the cortex and medulla of the bursa, and histiocyte loss in the bone marrow are visible

Fig. 4

Dynamic changes of GPV and DuCV loads in tissues of experimentally infected ducks. A. DuCV loads at 10 dpi; B. DuCV loads at 20 dpi; C. DuCV loads at 30 dpi; D. GPV loads at 10 dpi; E. GPV loads at 20 dpi; F. GPV loads at 30 dpi. *P < 0.05, **P < 0.01, and ***P < 0.001
Dynamic changes of GPV and DuCV loads in tissues of experimentally infected ducks. A. DuCV loads at 10 dpi; B. DuCV loads at 20 dpi; C. DuCV loads at 30 dpi; D. GPV loads at 10 dpi; E. GPV loads at 20 dpi; F. GPV loads at 30 dpi. *P < 0.05, **P < 0.01, and ***P < 0.001

Experimental design

Group Number of ducks DuCV (104.37 ID50/0.1 mL) GPV (105.75TCID50/0.1 mL)
Control 15 — —
DuCV 15 0.1 mL —
GPV 15 — 0.1 mL
GPV+DuCV 15 0.1 mL 0.1 mL
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Scienze biologiche, Biologia molecolare, Microbiologia e virologia, Scienze della vita, altro, Medicina, Medicina veterinaria
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