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Detection of laryngotracheitis virus in poultry flocks with respiratory disorders in Slovenia
ID Zorman-Rojs, Olga (Avtor), ID Dovč, Alenka (Avtor), ID Krapež, Uroš (Avtor), ID Žlabravec, Zoran (Avtor), ID Račnik, Joško (Avtor), ID Slavec, Brigita (Avtor)

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Izvleček
Infectious laryngotracheitis (ILT) is an acute, highly contagious infectious disease of the upper respiratory tract in chickens and other poultry species that causes significant economic losses in countries worldwide. Between 2017 and 2019, seven outbreaks of mild to severe respiratory disorders with high suspicion of ILT occurred in commercial and backyard poultry flocks in Slovenia. In all submissions, infection with ILT virus (ILTV) was confirmed by PCR, which is the first report of ILT in Slovenia. Circulating ILT strains were characterized by the sequence and phylogenetic analysis of two fragments of the ICP4 gene. Four strains—three detected in non-vaccinated flocks and one in a flock vaccinated against ILT—were identical or very similar to the chicken embryo–origin live virus vaccines, and the other three were closely related to Russian, Chinese, Australian, and American field strains and to tissue culture origin vaccine strains. As in other diseases, coinfections with other respiratory pathogens in confirmed ILT cases may cause a more severe condition and prolong the course of the disease. In our study, coinfections with Mycoplasma synoviae (7/7 tested flocks), infectious bronchitis virus (5/5 tested flocks), Mycoplasma gallisepticum (4/7 tested flocks), Ornithobacterium rhinotracheale (3/4 tested flocks), and avian pox virus (1/2 tested flocks) were confirmed, indicating the importance of these pathogens in the occurrence of ILT infections.

Jezik:Angleški jezik
Ključne besede:chicken, infectious laryngotracheitis, partial ICP4 sequencing, mixed respiratory infections, gallid herpesvirus 1, respiratory tract infections, poultry
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:VF - Veterinarska fakulteta
Leto izida:2021
Status objave pri reviji:Objavljeno
Verzija članka:Založnikova različica članka
Št. strani:12 str.
Številčenje:Vol. 13, iss. 4, art. 707
PID:20.500.12556/RUL-132088 Povezava se odpre v novem oknu
UDK:636.09:616.9:578
ISSN pri članku:1999-4915
DOI:10.3390/v13040707 Povezava se odpre v novem oknu
COBISS.SI-ID:60544003 Povezava se odpre v novem oknu
Datum objave v RUL:12.10.2021
Število ogledov:202
Število prenosov:81
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Viruses
Skrajšan naslov:Viruses
Založnik:MDPI
ISSN:1999-4915
COBISS.SI-ID:517597977 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:19.04.2021

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P4-0092
Naslov:Zdravje živali, okolje in varna hrana

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