在比利时、法国和荷兰的奶牛场实施良好的管理措施后,研究隐孢子虫病对小牛的经济影响。

IF 1.7 Q3 PARASITOLOGY
Maud Roblin , Evi Canniere , Anne Barbier , Yvonne Daandels , Martine Dellevoet-Groenewegen , Pedro Pinto , Anastasios Tsaousis , Hélène Leruste , Julii Brainard , Paul R. Hunter , Jérôme Follet
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引用次数: 0

摘要

隐孢子虫是一种广泛分布的寄生原生动物,可引起人类和动物的肠道感染。这些寄生虫会导致小牛新生儿腹泻,导致头三周的死亡率很高。对农民来说,损失是巨大的,但隐孢子虫病的成本仍然没有得到充分的记录。在没有疫苗的情况下,农民只能采取预防措施来对抗感染。这项研究于2018年至2021年进行,旨在评估隐孢子虫对欧洲奶牛场的经济影响,并监测实施疾病管理措施后成本的变化。首先,对比利时、法国和荷兰的57名农民进行了实地调查和问卷调查。调查的目的是评估与3天至3周龄小牛腹泻相关的损失。腹泻的经济影响是根据死亡率损失、卫生支出和额外劳动力成本计算的。为了完善隐孢子虫的成本估算。每个农场从10头小牛身上采集粪便样本。确定了隐孢子虫的流行率,并对腹泻的经济影响进行了相应调整。根据流行率,假设一定比例的费用归因于隐孢子虫病。在研究结束时重复这些方案,以观察成本的变化。在三年中,在整个研究过程中,28个农场的腹泻费用从2018年的140欧元提高到2021年的平均每头腹泻小牛106欧元。由于发病率稳定在40%,比利时每头受感染小牛的隐孢子虫病费用从60.62欧元降至45.91欧元,法国从43.83欧元降至32.14欧元,荷兰从58.24欧元降至39.48欧元。这意味着每只受感染的小牛平均可节省15欧元。这项研究中采用的方法并不能让我们得出这样的结论,即这种改善完全是由于实施了预防措施。然而,该研究覆盖了2海之间地区的1100万头小牛,为隐孢子虫的经济负担提供了宝贵的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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

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

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.

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