Morphological and molecular evidences of Ascaridia galli in migratory quail Coturnix coturnix japonica from Baluchistan Pakistan
2022
Faizullah | S. U. Jan | K. Taj | Zia-UD-Din | M. Akbar | A. Sattar | H. Akbar
Abstract The current study was conducted to examine the point prevalence of gastrointestinal parasites of migratory quails. Due to its economic importance, the control of ascaridiosis is critical. Migration of birds is considered to enhance the global spread and cross-species transmission of pathogens. The current study was aimed to detect A.galli in migratory quails, a potential contributory risk factor for transmission of this parasite to local birds. A total of 230 migratory quails were trapped using nets from migratory routes in Balochistan and examined under the compound microscope for the presence of A. galli. Conventionally, A. galli was identified by its morphology with the presence of three large lips and absence of posterior esophageal bulb. Results revealed that out of 230, 120 (52.17%) quails were positive for A. galli by targeting COX1 gene (533 bp) by using conventional PCR. Further, the amplicon was sequenced which showed 99% similarity with A. galli publically available in NCBI Gen Bank. Phylogenetic analysis of sequences of our isolated parasite indicated the close relationship with A.galli isolated from chickens. In conclusion migratory quails and other migratory birds may play a key role in spreading and transmission of these parasites and other pathogens to domestic chicken. Therefore, strict biosecurity measures should be adopted especially for commercial poultry farms.
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