Eliciting preferences for attributes of Newcastle disease vaccination programmes for village poultry in Ethiopia.
Eliciting preferences for attributes of Newcastle disease vaccination programmes for village poultry in Ethiopia.
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DOI：
10.1016/j.prevetmed.2018.08.004
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发表时间：
2018-10-01
影响因子：
2.6
通讯作者：
Christley RM
中科院分区：
文献类型：
--
作者：
Terfa ZG;Garikipati S;Kassie G;Bettridge JM;Christley RM
新城疫（NCD）是一种重要的家禽疾病，直接影响发展中国家贫困农民的生计。研究已发现非传染性疾病疫苗开发方面的有前景的创新，并且在乡村家禽中进行的现场试验也大有希望。然而，目前许多发展中国家的乡村家禽推广计划并未包括非传染性疾病疫苗接种。了解预防非传染性疾病的潜在疫苗接种计划的不同属性的偏好和相对重要性对于设计可接受和可持续的预防计划至关重要。本研究采用离散选择实验方法来引发农民对埃塞俄比亚农村乡村家禽非传染性疾病疫苗接种计划属性的偏好。选择实验调查针对 450 名小农进行。使用随机参数 Logit 回归模型估计了非传染性疾病疫苗属性对农民的相对重要性。首选的非传染性疾病疫苗计划具有更大的禽类保护（即，如果鸡群中发生非传染性疾病，则具有更大的降低死亡率的能力），由动物健康发展机构提供，并且可以通过饮用水施用。对属性水平变化的模拟结果表明，鸟类水平的保护能力和通过动物健康延伸提供疫苗比其他属性对农民的偏好影响更大。这些发现表明，确保非传染性疾病疫苗计划提供合理的能力来预防死亡非常重要。它还表明需要了解农民首选的疫苗输送机制和疫苗接种途径，以便更广泛地接受疫苗。
Newcastle disease (NCD) is an important disease of poultry, directly affecting the livelihoods of poor farmers across developing countries. Research has identified promising innovations in NCD vaccine development and field trials among village poultry have been promising. However, NCD vaccination is not currently part of village poultry extension programmes in many developing countries. Understanding the preferences for, and relative importance of, different attributes of potential vaccination programmes to prevent NCD will be crucial in designing acceptable and sustainable prevention programmes. This research employed the discrete choice experiment approach to elicit farmers’ preference for attributes of NCD vaccination programmes for village poultry in rural Ethiopia. The choice experiment survey was conducted on 450 smallholder farmers. The relative importance of attributes of NCD vaccines to farmers was estimated using a random parameter logit regression model. The preferred NCD vaccine programme had greater bird-level protection (i.e. greater capacity to reduce mortality should NCD occur in a flock), was delivered by animal health development agents, and could be administered via drinking water. Results from simulations on changes in attribute levels revealed that bird-level protection capacity and delivery of vaccine by animal heath extension affect farmers’ preferences more than other attributes. These findings suggest that it is important to ensure NCD vaccine programmes offer reasonable capacity to protect against mortality. It also suggests the need to understand farmers’ preferred vaccine delivery mechanisms and route of vaccine administration for a wider acceptance of vaccine.
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