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  • Title: Rotavirus infection in calves in Bangladesh.
    Author: Selim SA, Aziz KM, Sarker AJ, Rahman H.
    Journal: Vet Res Commun; 1991; 15(4):327-33. PubMed ID: 1659033.
    Abstract:
    Faecal samples from 434 calves under 1 year of age (307 diarrhoeal and 127 normal) were collected from three dairy farms and one village in selected areas of Bangladesh. The samples were tested by an enzyme-linked immunosorbent assay (ELISA) to detect the presence of rotavirus antigen. Of 402 dairy calves tested, 28 (7.0%) were positive, of which 21 (7.2%) were from diarrhoeic calves and 7 (6.3%) from non-diarrhoeic calves. Rotavirus infection varied from farm to farm (2.7-9.2%) and there was no positive response from any of the 32 village calves. Rotavirus was most commonly found in calves of 1 week of age or less (up to 22.2% in one group) but was not found in any calves later than 6 months of age. More than 80% of rotavirus-positive samples from diarrhoeic calves exhibited a titre of 128 or more (geometric mean 345 +/- 4.5), whereas non-diarrhoeal calves had titres less than or equal to 128 (geometric mean = 29 +/- 1.9), suggesting that rotavirus infection in calves in Bangladesh was mostly associated with diarrhoea.
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