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Cattle co-infection patterns by hemopathogens and their phylogenetic analysis during the tick season in Constantine and Mila, Northeast Algeria

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Abstract

Tropical theileriosis, babesiosis, and anaplasmosis are the most dominant tick-borne infections in North Africa where they cause significant economic losses in ruminants’ industry. The aim of the present work was to study infections and co-infection patterns in 66 cattle with clinical signs of piroplasmosis and/or anaplasmosis in two localities, Beni Hamidene and Grarem Gouga, districts of Constantine and Mila (Northeast of Algeria), respectively. This study was conducted between early May and late September during four years 2017, 2018, 2020, and 2021. PCR showed that the most frequent pathogen in cattle with clinical signs of piroplasmosis and/or anaplasmosis was Theileria annulata (66/66; 100%) followed by Babesia bovis (21/66; 31.8%), Anaplasma marginale (15/66; 22.7%), and Babesia bigemina (3/66; 4.5%) (p < 0.001). Giemsa-stained blood smears examinations revealed that 66.7% (44/66); 10.6% (7/66); and 9.1% (6/66) of cattle were infected by T. annulata, Babesia spp., and A. marginale, respectively (p < 0.001). PCR revealed seven co-infection patterns: T. annulata/A. marginale (15/66; 22.7%), T. annulata/B. bovis (21/66; 31.8%), T. annulata/B. bigemina (3/66; 4.5%), T. annulata/A. marginale/B. bovis (7/66; 10.6%), T. annulata/B. bovis/B. bigemina (2/66; 3%), T. annulata/A. marginale/B. bigemina (1/66; 1.5%), and T. annulata/A. marginale/B. bigemina/B. bovis (1/66; 1.5%). Phylogenetic analyses showed that T. annulata Tams1 and B. bigemina gp45 sequences were identical to isolates from Mauritania and South Africa, respectively. The three A. marginale amplicons obtained herein had 99.63 to 99.88% similarity between them. This study provides data that can be used to improve control programs targeting these cattle hemopathogens.

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Data Availability

The datasets generated during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors would like to thank Dr Halima Boulkrout and Nadjet Redjem for their collaboration. The authors would also like to thank all cattle farmers of Beni Hamidene and Grarem Gouga who accepted that we handle their animals.

Funding

This work was funded by the Laboratoire d’épidémiologie des infections enzootiques des herbivores en Tunisie: application à la lutte’ (LR16AGR01) (Ministère de l’enseignement supérieure et de la recherche scientifique, Tunisie).

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Contributions

Asma Amina Foughali designed this study, analyzed and interpreted molecular data, and wrote the original draft. Moez Mhadhbi and Asma Amina Foughali performed the lab analysis. Safa Amairia helped in the methodology of the study. Asma Amina Foughali and Mokhtar Dhibi identified the ticks. Idir Bitam and Ali Berbar are responsible for the work administration. Asma Amina Foughali and Hadjer Boukaabache collected samples. Phylogenetic analysis was carried out by Asma Amina Foughali and Mohamed Ridha Rjeibi. Mohamed Gharbi and Asma Amina Foughali performed the statistical analyses. Moez Mhadhbi, Asma Amina Foughali, and Mohamed Gharbi supervised and revised the manuscript.

Corresponding author

Correspondence to Asma Amina Foughali.

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Ethics approval

This study was performed in respect to the Algerian legislation by patented veterinary partitioners during their routine clinical activity.

Consent to participate

The authors get from all animal owners verbal informed consents prior to sampling.

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All authors read and consent the publication of the manuscript.

Competing interests

The authors declare no competing interests.

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Handling Editor: Una Ryan

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Foughali, A.A., Mhadhbi, M., Amairia, S. et al. Cattle co-infection patterns by hemopathogens and their phylogenetic analysis during the tick season in Constantine and Mila, Northeast Algeria. Parasitol Res 122, 2245–2257 (2023). https://doi.org/10.1007/s00436-023-07916-1

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  • DOI: https://doi.org/10.1007/s00436-023-07916-1

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