The determinants of detecting veterinary drug residues: Evidence from shrimp farmers in southern Viet Nam,Aquaculture Economics & Management

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The determinants of detecting veterinary drug residues: Evidence from shrimp farmers in southern Viet Nam
Aquaculture Economics & Management ( IF 3.9 ) Pub Date : 2019-02-13 , DOI: 10.1080/13657305.2019.1568612
Guenwoo Lee ₁ , Aya Suzuki ₁ , Hoang Nam Vu ₂

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Abstract While export-oriented shrimp farming has become an important source of income for many small-scale farmers in developing countries, the rate at which products are rejected at the ports of developed countries has remained high mainly due to the overuse of antibiotics. To reveal what determines the overuse of antibiotics, we interviewed 201 shrimp farmers in Viet Nam in 2015 and collected shrimp samples from each household’s pond for the screening of residual drugs. These tests revealed that residual drugs exceeding acceptable limits by Japanese standards were found in the samples of 40 farmers. We conducted cross-sectional Logit and Tobit regressions to examine whether results of the residue tests are significantly associated with farmers’ characteristics and management practices. This study finds that: (1) receiving BMP training has a significant and positive effect on reducing residual drugs; (2) if farmers know multiple extension officers, these relationships have significant and positive effects on reducing residual drugs; and (3) farmers with experience of shrimp disease outbreaks reduce use of antibiotics. Overall, this study contributes to revealing the determinants of detecting veterinary drug residues in shrimp farming in multiple (social, economic and psychological) dimensions.

更新日期：2019-02-13

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