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Journal of the South African Veterinary Association

On-line version ISSN 2224-9435
Print version ISSN 1019-9128

Abstract

PFITZER, Silke et al. Adenoviral hepatitis in two Nile crocodile (Crocodylus niloticus) hatchlings from South Africa. J. S. Afr. Vet. Assoc. [online]. 2019, vol.90, n.1, pp.1-4. ISSN 2224-9435.  http://dx.doi.org/10.4102/jsava.v90i0.1987.

Adenoviral infections may cause mild to severe morbidity or fatality in a large array of animal species. In crocodilians, hatchlings under 5 months of age are usually affected. However, there is a paucity of information on actual incidences in hatchlings originating from South Africa. Two cases of adenoviral hepatitis in crocodile hatchlings about 2 weeks old, bred on a commercial farm in South Africa, are described. Both hatchlings showed typical clinical signs of hepatitis. The identification of intranuclear inclusion bodies in the liver was used to differentiate between adenoviral hepatitis and chlamydial hepatitis. Although vertical transmission has never been proven in crocodiles, the young age of the affected hatchlings raises the possibility of vertical transmission. The lack of epidemiological information on adenoviral hepatitis in crocodiles highlights the need for further characterisation of the virus and targeted surveillance.

Keywords : adenovirus; hatchlings; Nile crocodile; Crocodylus niloticus; South Africa.

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