2018
DOI: 10.3390/vetsci5020038
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Enteric Virus Diversity Examined by Molecular Methods in Brazilian Poultry Flocks

Abstract: Enteric viruses play an important role in the Brazilian poultry industry due to the economic impact of resulting low yields of broilers, layers, and breeders. The most common enteric viruses affecting commercial flocks in Brazil include Fowl Adenovirus of group I (FAdV-I), Chicken Parvovirus (ChPV), Chicken Astrovirus (CAstV), Avian Nephritis Virus (ANV), Infectious Bronchitis Virus (IBV), Avian Reovirus (AReo), and Avian Rotavirus (ARtV). The aim of this study was to identify single and multiple infections us… Show more

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Cited by 22 publications
(29 citation statements)
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References 64 publications
(99 reference statements)
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“…Actually, ANV has been reported around the world and has been detected in many countries and on all continents. In recent years, ANV was detected in Brazil in chickens and turkeys showing signs of enteric diseases, principally signs of RSS (Hewson et al, 2010 ; Mettifogo et al, 2014 ; Moura-Alvarez et al, 2014 ; Luna et al, 2016 ; De la Torre et al, 2018 ). The implication or relation of this virus in RSS pathogeneses is not well clear.…”
Section: Discussionmentioning
confidence: 99%
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“…Actually, ANV has been reported around the world and has been detected in many countries and on all continents. In recent years, ANV was detected in Brazil in chickens and turkeys showing signs of enteric diseases, principally signs of RSS (Hewson et al, 2010 ; Mettifogo et al, 2014 ; Moura-Alvarez et al, 2014 ; Luna et al, 2016 ; De la Torre et al, 2018 ). The implication or relation of this virus in RSS pathogeneses is not well clear.…”
Section: Discussionmentioning
confidence: 99%
“…From day 3 to 21, the virus was also detected in the bursa, jejunum, and spleen, but no alterations were found (Imada et al, 1979 , 1981 ; Shirai et al, 1991 ), showing that the target organ of this virus is kidneys, but it could be present in other organs, such as gut. Actually, ANV is related to one of the principal causative agents of enteric problems, more specifically those related with RSS (Kang et al, 2012 ; Day and Zsak, 2013 ; Mettifogo et al, 2014 ; Day et al, 2015 ; Smyth, 2017 ; De la Torre et al, 2018 ). The samples used here were from chickens showing signs of enteric diseases that were positive only for ANV after molecular screening, suggesting that the principal agent is involved in the genesis of some enteric problems may be ANV.…”
Section: Discussionmentioning
confidence: 99%
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“…Similar results were found in the present study in which apparently healthy chickens also showed high viral concentrations [ 22 ]. ChPV has been detected in chickens independently of zootechnical interest and in many regions around the world with high chicken production, such as Europe [ 10 , 17 , 18 ], China [ 35 ], South Korea [ 36 ], North America [ 8 , 37 , 38 ], Brazil [ 9 , 16 , 24 , 25 ], and Ecuador [ 26 , 38 ]; however, its presence remains unknown in the rest of South America. The present study also showed that the virus was detected at earlier and later ages in chickens, demonstrating that virus dissemination can occur at any time [ 21 ].…”
Section: Discussionmentioning
confidence: 99%