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Parasitic infections in the organic beef cattle herds of southern Poland during the grazing season, with the first record of Calicophoron daubneyi (Dinnik, 1962) in the country

Paweł Nosal

Paweł Nosal

Department of Zoology and Animal Welfare, University of Agriculture in KrakówKraków, Poland
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Nosal, Paweł
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Jerzy Kowal

Jerzy Kowal

Department of Zoology and Animal Welfare, University of Agriculture in KrakówKraków, Poland
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Kowal, Jerzy
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Marta Basiaga

Marta Basiaga

Department of Zoology and Animal Welfare, University of Agriculture in KrakówKraków, Poland
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Basiaga, Marta
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Andrzej Węglarz

Andrzej Węglarz

Department of Genetics, Animal Breeding and Ethology, University of Agriculture in KrakówKraków, Poland
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Węglarz, Andrzej
  
11 mars 2025
Parasitic infections in the organic beef cattle herds of southern Poland during the grazing season, with the first record of Calicophoron daubneyi (Dinnik, 1962) in the country's Cover Image
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Publié en ligne: 11 mars 2025
Pages: 59 - 69
Reçu: 01 août 2024
Accepté: 28 févr. 2025
DOI: https://doi.org/10.2478/jvetres-2025-0012
Mots clés
© 2025 Paweł Nosal et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Introduction

Grazing cattle are vulnerable to the harmful effects of gastrointestinal parasites. Organically farmed cattle are even more so because conventional antiparasitic treatments are restricted, yet parasite infection patterns in Polish organic herds remain poorly documented.

Material and Methods

Imported beef cattle were studied during the pasture season in four organic herds in southern Poland. The McMaster quantitative flotation method was used to estimate infection prevalence (P, %) coproscopically and to quantify intensities of coccidia oocyst output (Ic, OPG) and nematode egg output (In, EPG) per gram of faeces. The qualitative sedimentation method was applied to assess the presence of digenean eggs. Coccidial species of the Eimeria genus were identified by sporulation, and nematodes of the Strongylida order by larvoscopy. Digenean Paramphistomatidae were identified by morphological examination of adult fluke specimens obtained at slaughter from a sick heifer in one of the studied herds and by molecular analysis of the flukes’ internal transcribed spacer 2 ribosomal DNA.

Results

The prevalence of Eimeria infection was P = 28.9 (23.8–34.5)%, and the mean Ic was 287 (113–793) OPG. Calves were most heavily infected, mainly with E. bovis and E. zuernii. The prevalence of nematode infections reached P = 46.0 (40.2–51.5)%, and the mean In was 113 (88–147) EPG. Haemonchus placei dominated over Ostertagia sp. and Trichostrongylus axei, and the most infected were first-time grazing yearlings. Paramphistome eggs were confirmed in only one herd. Morphological and PCR analysis of the adult rumen flukes revealed the presence of Calicophoron daubneyi (Dinnik, 1962) in this herd.

Conclusion

This is the first Polish evidence of C. daubneyi, and it heralds an enhanced surveillance need regarding this highly pathogenic digenean.
Langue:
Anglais
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4 fois par an
Sujets de la revue:
Sciences de la vie, Biologie moléculaire, Microbiologie et virologie, Sciences de la vie, autres, Médecine, Médecine vétérinaire
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