Kispulykák astrovírus és rotavírus okozta bélgyulladásának hazai vizsgálata. Irodalmi áttekintés és saját megfigyelések

Translated title of the contribution: Astrovirus and rotavirus enteritis in poults in Hungary. Literature review and own experiences

Nemes Csaba, Ivanics Éva, Szalay Dénes, Ursu Krisztina, Simonyai Erika, Glávits Róbert

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Beside turkey coronaviruses, turkey astroviruses (TAstV-1, TAstV-2) and avian rotaviruses were studied in turkey poult flocks showing clinical signs of diarrhea and uneven growth. Rota- and/or astroviruses were identified in 34 flocks in 2005, in 54 flocks in 2006 and in 27 flocks until July of 2007. In 82 (71%) of the infected flocks single virus infection, while in 33 flocks (29%) mixed infection was identified. Amongst the positive flocks rotavirus infection was the most frequently identified, followed in frequency by the individual turkey astrovirus type 1 infections. In the case of mixed infections the combination of rota- and astroviruses were the most common. The occurence of the single turkey astrovirus type 2 infection was less common than its variations with another virus. Infection caused by turkey astrovirus type 2 occured in birds as young as one week, and except for one flock it was not identified in the birds older than two weeks of age. Turkey astrovirus type 1 infection occured in birds aged between three to four weeks. In mixed infections the virus could be identified in younger birds, too. A similar tendency for rotavirus infection was not demonstrable, it occured in young birds of various age. In the case of infection of turkey astrovirus type 1 and turkey astrovirus type 2 and their various combinations, a difference of two weeks was observed between the earliest and the latest identification (in all the examined flocks). In contrast, this period was four weeks in the case of single rotavirus infections. Diagnosis was established on the basis of epidemiological data, pathological and histological assessment of lesions and by molecular diagnostic procedures. The increase of mortality was lower in the case of individual virus infections but different bacteria could also be cultured simultaneously with the virus infection. In such cases mortality was higher. The body weight of the virus infected birds was lower than expectable for the respective age.

Original languageHungarian
Pages (from-to)464-474
Number of pages11
JournalMagyar Allatorvosok Lapja
Volume130
Issue number8
Publication statusPublished - 2008

Fingerprint

Avastrovirus
Astroviridae
Enteritis
Hungary
poults
Rotavirus
enteritis
Turkey astrovirus
Birds
flocks
Rotavirus Infections
infection
Virus Diseases
Coinfection
Infection
viruses
birds
Viruses
mixed infection
Turkey Coronavirus

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Kispulykák astrovírus és rotavírus okozta bélgyulladásának hazai vizsgálata. Irodalmi áttekintés és saját megfigyelések. / Csaba, Nemes; Éva, Ivanics; Dénes, Szalay; Krisztina, Ursu; Erika, Simonyai; Róbert, Glávits.

In: Magyar Allatorvosok Lapja, Vol. 130, No. 8, 2008, p. 464-474.

Research output: Contribution to journalArticle

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abstract = "Beside turkey coronaviruses, turkey astroviruses (TAstV-1, TAstV-2) and avian rotaviruses were studied in turkey poult flocks showing clinical signs of diarrhea and uneven growth. Rota- and/or astroviruses were identified in 34 flocks in 2005, in 54 flocks in 2006 and in 27 flocks until July of 2007. In 82 (71{\%}) of the infected flocks single virus infection, while in 33 flocks (29{\%}) mixed infection was identified. Amongst the positive flocks rotavirus infection was the most frequently identified, followed in frequency by the individual turkey astrovirus type 1 infections. In the case of mixed infections the combination of rota- and astroviruses were the most common. The occurence of the single turkey astrovirus type 2 infection was less common than its variations with another virus. Infection caused by turkey astrovirus type 2 occured in birds as young as one week, and except for one flock it was not identified in the birds older than two weeks of age. Turkey astrovirus type 1 infection occured in birds aged between three to four weeks. In mixed infections the virus could be identified in younger birds, too. A similar tendency for rotavirus infection was not demonstrable, it occured in young birds of various age. In the case of infection of turkey astrovirus type 1 and turkey astrovirus type 2 and their various combinations, a difference of two weeks was observed between the earliest and the latest identification (in all the examined flocks). In contrast, this period was four weeks in the case of single rotavirus infections. Diagnosis was established on the basis of epidemiological data, pathological and histological assessment of lesions and by molecular diagnostic procedures. The increase of mortality was lower in the case of individual virus infections but different bacteria could also be cultured simultaneously with the virus infection. In such cases mortality was higher. The body weight of the virus infected birds was lower than expectable for the respective age.",
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