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Volume 17, Number 12—December 2011

Research

Astroviruses in Rabbits

Vito MartellaComments to Author , Paschalina Moschidou, Pierfrancesco Pinto, Cristiana Catella, Constantina Desario, Vittorio Larocca, Elena Circella, Krisztian Bànyai, Antonio Lavazza, Chiara Magistrali, Nicola Decaro, and Canio Buonavoglia
Author affiliations: University of Bari Aldo Moro, Valenzano, Italy (V. Martella, P. Moschidou, P. Pinto, C. Catella, C. Desario, V. Larocca, E. Circella, N. Decaro, C. Buonavoglia); Hungarian Academy of Sciences, Budapest, Hungary (K. Bànyai); Istituto Zooprofilattico Sperimentale di Lombardia ed Emilia Romagna, Brescia, Italy (A. Lavazza); Istituto Zooprofilattico Sperimentale di Marche ed Umbria, Perugia, Italy (C. Magistrali)

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Table 1

Astrovirus-positive samples from commercial rabbitries with enteric diseases and results of electron microscopy, clinical observations, and pathologic, bacteriologic, and parasitologic investigations, Italy, 2008*

Sample no.
Place of origin
GE/mL feces
Electron microscopy results†
Clinical observations
Pathologic findings
Bacteriologic findings (intestinal tract)
Parasitologic findings
(intestinal tract)
1 Pavia 3.1 × 108 Rotavirus ++ Age 48 d, enteric syndrome Enterocolitis Escherichia coli, Clostridium perfrigens Negative
Coronavirus +++
2 Brescia 8.5 × 103 Negative Age 35 d, enteric syndrome Enterocolitis E. coli Negative
3 Brescia 1.5 × 106 Negative Age 55 d, enteric syndrome; fatal in 24 h Enteritis with tracts containing fluids and tract filled with feces Negative Coccidia
4 Nuoro 1.0 × 108 Rotavirus +/– NA Catarral enteritis E. coli Coccidia
5 Brescia 9.7 × 107 Rotavirus ++ Age 51 d, enteric syndrome, high mortality Enterocolitis with swollen colon E. coli Coccidia
Phages ++
6 Brescia 1.0 × 109 Coronavirus+ Age 51 d, enteric syndrome, high mortality Enteritis E. coli Coccidia
7 Brescia 3.8 × 107 Rotavirus +++ Age 51 d, enteric syndrome Enterocolitis, with
swollen colon E. coli Negative
Phages +++
8 Padova 7.3 × 103 Rotavirus +++ NA Catarral enteritis E. coli Negative
9 Lecco 1.4 × 1010 Rotavirus +++ NA Typhlitis and colitis, swollen tracts of the gut with fluid content E. coli (gut), Streptococcus spp. (liver and spleen) Coccidia
10 Cagliari 6.5 × 107 Negative NA Catharral enteritis E. coli Coccidia

*GE, genome equivalent; NA, not available.
†+/–, very low positivity; +, low positivity; ++, discrete positivity; +++, strong positivity.

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