Study of the economic impact of cryptosporidiosis in calves after implementing good practices to manage the disease on dairy farms in Belgium, France, and the Netherlands

Maud Roblin, Evi Canniere, Anne Barbier, Yvonne Daandels, Martine Dellevoet-Groenewegen, Pedro Pinto, Anastasios Tsaousis, Hélène Leruste, Julii Brainard, Paul Hunter and Jérôme Follet ()
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Maud Roblin: JUNIA - JUNIA - UCL - Université catholique de Lille
Evi Canniere: Inagro
Pedro Pinto: University of Kent [Canterbury]
Anastasios Tsaousis: University of Kent [Canterbury]
Hélène Leruste: JUNIA - JUNIA - UCL - Université catholique de Lille
Julii Brainard: UEA - University of East Anglia [Norwich]
Paul Hunter: UEA - University of East Anglia [Norwich]
Jérôme Follet: BIOMEMS - IEMN - Bio-Micro-Electro-Mechanical Systems - IEMN - IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 - Centrale Lille - Université de Lille - CNRS - Centre National de la Recherche Scientifique - UPHF - Université Polytechnique Hauts-de-France - JUNIA - JUNIA - UCL - Université catholique de Lille, JUNIA - JUNIA - UCL - Université catholique de Lille

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Abstract: Cryptosporidium spp. are widespread parasitic protozoans causing enteric infections in humans and animals. The parasites cause neonatal diarrhoea in calves, leading to a high mortality rate in the first three weeks. Losses are significant for farmers, but the cost of cryptosporidiosis remains poorly documented. In the absence of a vaccine, only preventive measures are available to farmers to combat the infection. This study, conducted between 2018 and 2021, aimed to evaluate the economic impact of Cryptosporidium spp. on European dairy farms and monitor changes in costs after implementing disease management measures. First, a field survey was carried out and questionnaires administered to 57 farmers in Belgium, France, and the Netherlands. The aim of the survey was to assess the losses associated with the occurrence of diarrhoea in calves aged between 3 days and 3 weeks. The economic impact of diarrhoea was calculated based on mortality losses, health expenditures, and additional labour costs. To refine the cost estimation specifically for Cryptosporidium spp., stool samples were collected from 10 calves per farm. The prevalence of Cryptosporidium spp. was determined, and the economic impact of diarrhoea was adjusted accordingly. The assumption was made that a certain percentage of costs was attributed to cryptosporidiosis based on the prevalence. These protocols were repeated at the end of the study to observe changes in costs. In the three years, the cost of diarrhoea for the 28 farms that stayed in the panel all along the study improved from €140 in 2018 to €106 on average per diarrhoeic calf in 2021. With a stable prevalence at 40%, the cost of cryptosporidiosis per infected calf decreased from €60.62 to €45.91 in Belgium, from €43.83 to €32.14 in France, and from €58.24 to €39.48 in the Netherlands. This represented an average of €15 saved per infected calf. The methodology employed in this study did not allow us to conclude that the improvement is strictly due to the implementation of preventive measures. However, with 11 million calves raised in the Interreg 2 Seas area covered by the study, it provided valuable insights into the economic burden of Cryptosporidium spp.

Keywords: Cryptosporidiosis; Diarrhoea; Dairy calves; Economic impact (search for similar items in EconPapers)
Date: 2023
Note: View the original document on HAL open archive server: https://hal.science/hal-04274283v1
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Published in Current Research in Parasitology & Vector-Borne Diseases, 2023, 4, pp.100149. ⟨10.1016/j.crpvbd.2023.100149⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-04274283

DOI: 10.1016/j.crpvbd.2023.100149

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