Regulations
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Professional conscientiousness
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No added-value for the farmer as there is no enforcement
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Avoid sanctions
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Lack of technical justification: they believed a brucellosis outbreak would be detected by a significant abortion episode or by active surveillance
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Health
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Identify cause of abortion
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Difficulties in identifying the cause: one farmer stopped reporting abortions after an unsuccessful differential diagnosis to identify the cause
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Ensure the absence of a specific disease or diseases in general (some farmers were not aware that brucellosis is the only disease tested)
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Care for the aborting cow
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Financial
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Free visit
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Financial costs of additional analyses and sanitary/medical measures to prevent further abortions
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Economic
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Prevent further abortions
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Lower sales of animals from a herd with seropositive animals
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Practical
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Animal has to be caught
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Time-consuming
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