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Article Dans Une Revue Microorganisms Année : 2021

Cross-Border Investigations on the Prevalence and Transmission Dynamics of Cryptosporidium Species in Dairy Cattle Farms in Western Mainland Europe

Sumaiya Hoque
Ourida Hammouma
  • Fonction : Auteur
Hélène Leruste
  • Fonction : Auteur
Evi Canniere
Yvonne Daandels
  • Fonction : Auteur
Martine Dellevoet
  • Fonction : Auteur
Janine Roemen
  • Fonction : Auteur
Anne Barbier Bourgeois
  • Fonction : Auteur
Martin Kváč
  • Fonction : Auteur
Anastasios Tsaousis

Résumé

Cryptosporidium is an apicomplexan parasitic protist, which infects a wide range of hosts, causing cryptosporidiosis disease. In farms, the incidence of this disease is high in animals such as cows, leading to extensive economic loss in the livestock industry. Infected cows may also act as a major reservoir of Cryptosporidium spp., in particular C. parvum, the most common cause of cryptosporidiosis in these animals. This poses a risk to the trading of livestock, to other farms via breeding centres, and to human health. This study is a part of a global project aimed at strategies to tackle cryptosporidiosis. To reach this target, it was essential to determine whether prevalence was dependent on the studied countries or if the issue was borderless. Indeed, C. parvum occurrence was assessed across dairy farms in certain regions of Belgium, France, and the Netherlands. At the same time, the animal-to-animal transmission of the circulating C. parvum subtypes was studied. To accomplish this, we analysed 1084 faecal samples, corresponding to 57 dairy farms from all three countries. To this end, 18S rRNA and gp60 genes fragments were amplified, followed by DNA sequencing, which was subsequently used for detection and subtyping C. parvum. Bioinformatic and phylogenetic methods were integrated to analyse and characterise the obtained DNA sequences. Our results show 25.7%, 24.9% and 20.8% prevalence of Cryptosporidium spp. in Belgium, France, and the Netherlands respectively. Overall, 93% of the farms were Cryptosporidium positive. The gp60 subtyping demonstrated a significant number of the C. parvum positives belonged to the IIa allelic family, which has been also identified in humans. Therefore, this study highlights how prevalent C. parvum is in dairy farms and further suggests cattle as a possible carrier of zoonotic C. parvum subtypes, which could pose a threat to human health.
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hal-03501771 , version 1 (25-05-2023)

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Pedro Pinto, Cláudia Ribeiro, Sumaiya Hoque, Ourida Hammouma, Hélène Leruste, et al.. Cross-Border Investigations on the Prevalence and Transmission Dynamics of Cryptosporidium Species in Dairy Cattle Farms in Western Mainland Europe. Microorganisms, 2021, 9 (11), pp.2394. ⟨10.3390/microorganisms9112394⟩. ⟨hal-03501771⟩
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