Abstract
There have been reports of Rhodococcus equi infections in goats in Australia, America and India. In this study, R. equi was isolated from an inflamed vertebra in a Boer goat in South Africa. At autopsy, there was a purulent inflammatory reaction in the 1st cervical vertebra. Histopathologically, a neutrophilic infiltration was encountered in the bone. Aerobic culture of swabs collected from the abscesses yielded R. equi in pure culture that was identified on biochemical tests. R. equi has become important as the cause of an opportunistic infection in people suffering from HIV.
Highlights
Rhodococcus equi infections in goats have been reported from Australia[1], America[2] and India[1]
Bacteriology Macroscopic examination of blood tryptose agar (BTA) plates after 24 hours revealed the presence of a pure culture of small, smooth, shiny and non-haemolytic colonies
Negative reactions were observed on the following substrates: aesculin, deoxyribonuclease agar (DNA), casein, gelatine, egg yolk agar, no gas formation, Hugh and Leifson’s O/F basal medium, carbohydrates that include glucose, maltose and sucrose
Summary
Rhodococcus equi infections in goats have been reported from Australia[1], America[2] and India[1]. CASE HISTORY A 1-year-old female Boer goat from the Molecular Biology section of the Onderstepoort Veterinary Institute (OVI) was brought to the post mortem room for euthanasia. Other than deworming and vaccination against Pasteurella and bluetongue that all the animals had received, this goat does not appear to have received any other treatment. It had not shown any abnormalities throughout the 3-month period that the group was at Onderstepoort, and the problem with the neck was noticed just 1 day before euthanasia was requested. It vigorously resisted handling in that area by moving its head and neck, and bleating loudly
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