Molecular Diagnosis of the Main Hemoparasites of Dairy Cows in the State of Ceará

Overview

Journal Genes (Basel)

Publisher MDPI

Date 2024 Nov 27

PMID 39596568

Authors

Gilderlandio Pinheiro Rodrigues

Beatriz Dantas Fernandes

Bruno Vinicios Silva de Araujo

Jaciara de Oliveira Jorge Costa

Milena Melo Silva

Andre de Macedo Medeiros

Arlei Marcili

Juliana Fortes Vilarinho Braga

Michelly Fernandes de Macedo

Affiliations

Soon will be listed here.

Abstract

Background/objectives: Trypanosomiasis and bovine babesiosis correspond to important diseases that cause great economic losses, but there are still no studies evaluating their occurrence in herds of dairy cattle in Ceará. The aim of this study was to perform molecular diagnosis of the main hemoparasites of dairy cows in the microregion of the central hinterland of Ceará.

Methods: For the molecular diagnosis of parasites, genomic material was extracted and polymerase chain reaction directed to the cdCatL-like gene for and SS rRNA of and was performed. In addition, the mean corpuscular volume of the samples was evaluated. The data were statistically processed.

Results: was detected in 0.40% (1/246) of the samples, while and were detected in 20.62% (33/160) and 11.87% (19/160) of the samples, respectively. It was found that there was a reduction in mean corpuscular volume in animals that presented with co-infection and those infected by only, but not in those hosting alone. The variables "purchase of recent animals" and "tick control" had no association with or influence on and/or infection. It was possible to identify epidemiologically important factors that may facilitate the transmission of trypanosoma to healthy animals, such as the recent purchase of animals and use of the same needle and syringe for oxytocin application.

Conclusions: The pathogens studied were present in the evaluated population. Daily cow management practices can facilitate the transmission of the diseases they cause.

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