Key result
Chicken parvovirus was identified in Brazilian flocks with enteric disease, showing high genetic similarity to sequences from North America, Europe, and Asia.
This study provides the first molecular characterisation of chicken parvovirus circulating in Brazilian commercial flocks, demonstrating its genetic relatedness to global strains.
Broadens parvovirus geographic data in poultry; leaves open its role in Brazilian enteric disease.
The presence of parvovirus in chickens with enteric disease was investigated in commercial flocks in Brazil. 2. The intestinal contents of chickens exhibiting clinical signs of diarrhoea, weight loss or mortality were examined, and chicken parvovirus (chPV) was identified using a polymerase chain reaction (PCR) assay. The samples were sequenced and inoculated into specific-pathogen-free (SPF) embryonated eggs to isolate the virus. 3. Necropsies showed that the embryos were dwarfish, haemorrhagic and oedematous. The presence of chPV was confirmed by PCR and DNA sequencing. 4. The molecular characterisation of chPV strains circulating in the Brazilian flocks showed that they were genetically related to sequences from North America, Europe and Asia. Phylogenetic analyses clustered the Brazilian chPV sequences with those from Europe (Croatia, Hungary) and Asia (South Korea). 5. This study is the first report of the molecular characterisation of chPV circulating in the commercial flocks in Brazil and indicates high genetic similarity with chPV sequences from around the world.
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Núñez et al. (2015) studied Enteric disease in chickens. Chicken parvovirus (chPV) was evaluated on Presence and molecular characterisation of chicken parvovirus. Chicken parvovirus was identified in Brazilian flocks with enteric disease, showing high genetic similarity to sequences from North America, Europe, and Asia.
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