Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2006 Oct-Nov;38(7-8):521-6.
doi: 10.1007/s11250-006-4349-9.

Frequency of group A rotavirus in diarrhoeic calves in Brazilian cattle herds, 1998-2002

A A Alfieri  1 , M E Parazzi, E Takiuchi, K C Médici, A F Alfieri
Affiliations

Frequency of group A rotavirus in diarrhoeic calves in Brazilian cattle herds, 1998-2002

A A Alfieri et al. Trop Anim Health Prod. 2006 Oct-Nov.

Abstract

The frequency of group A bovine rotavirus (gpA BRV) in calves from 1998 to 2002 was determined by the polyacrylamide gel electrophoresis technique in 2177 faecal samples, of which 1898 samples were diarrhoeic and 279 were of normal consistency (control group) that were collected from asymptomatic calves for comparative purposes. The animals were from beef and dairy cattle herds (n = 321) from 158 counties in seven States (Paraná, São Paulo, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Goiás and Rondônia) and four Brazilian geographical regions (south, south-east, centre-west, and north). GpA BRV was detected in 19.4% (369/1898; p = 0.0001) of the samples collected in calves with diarrhoea and in only 2.2% (6/279; p = 0.0001) of the faeces with normal consistency. The proportion of positive samples collected from beef and dairy cattle herds was 22.8% (205/899; p = 0.0001) and 16.4% (169/999; p = 0.0005), respectively. In relation to age, a higher prevalence of infections was found in calves up to 30 days old, where 33.0% (189/573; p = 0.0001) and 20.2% (138/683; p = 0.0001) of the diarrhoeic faecal samples from beef and dairy cattle herds, respectively, were positive for gpA BRV. These results show the possible importance of inclusion of gpA BRV in the management of neonatal calf diarrhoea in Brazilian cattle herds.

PubMed Disclaimer

References

    1. Alfieri A.A., Leite J.P.G., Alfieri A.F., Jiang B., Glass R.I., Gentsch J.R. Detection of field isolates of human and animal group C rotavirus by reverse transcription-polymerase chain reaction and digoxigenin-labeled oligonucleotide probes. Journal of Virological Methods. 1999;83:35–43. doi: 10.1016/S0166-0934(99)00104-4. - DOI - PubMed
    1. Alfieri A.F., Alfieri A.A., Barreiros M.A.B., Leite J.P.G., Richtzenhain L.J. G and P genotypes of group A rotavirus strains circulating in calves in Brazil, 1996–1998. Veterinary Microbiology. 2004;99:167–173. doi: 10.1016/j.vetmic.2003.10.029. - DOI - PubMed
    1. Barbosa E.F., Figueiredo H.C.P., Garcia A.M., Lobato Z.I.P., Lage A.P. Rotavírus do grupo A em bezerros lactentes no Estado de Minas Gerais. Ciência Rural. 1998;52:435–439.
    1. Barreiros M.A.B., Alfieri A.A., Médici K.C., Alfieri A.F., Leite J.P.G. An outbreak of diarrhoea in one week-old piglets caused by group A rotavirus genotype P[7], G3 and P[7],G5. Veterinary Research Communications. 2003;27:505–512. doi: 10.1023/A:1025797809680. - DOI - PubMed
    1. Barreiros M.A.B., Alfieri A.F., Médici K.C., Leite J.P.G., Alfieri A.A. G and P genotypes of group A rotavirus from diarrhoeic calves born to cows vaccinated against the NCDV (P[1],G6) rotavirus strains. Journal of Veterinary Medicine Series B – Infectious Diseases and Veterinary Public Health. 2004;51:104–109. - PubMed

Publication types