Peer-reviewed veterinary case report
First identification of Neospora caninum infection in aborted bovine foetuses in China.
- Journal:
- Veterinary parasitology
- Year:
- 2007
- Authors:
- Zhang, W et al.
- Affiliation:
- Department of Veterinary Preventive Medicine · China
Abstract
The first identification of Neospora caninum infection in the tissues of aborted bovine foetuses in China is reported. Aborted foetuses were collected from 16 dams, and 12 of the dams had high serum antibody titres to N. caninum determined using an ELISA test kit. The Nc-5 gene of N. caninum was amplified from DNA samples extracted from brains of four aborted foetuses using a Neospora-specific PCR assay, confirming N. caninum infection in the aborted foetuses. Histology and immunohistochemistry showed thick-walled (3 microm) tissue cyst in 25 microm diameter in the brain of one foetus. Non-suppurative encephalomyelitis, focal haemorrhage, hepatic lesions consisted of lymphocyte infiltration and haemorrhage were also found in the heart and lung of the foetus. Thus, we have confirmed for the first time the infection of N. caninum in aborted foetuses of cattle in the People's Republic of China.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/17706874/