The administration of prohibited substances has been used in agricultural show competitions and animal racing industries to gain unfair competitive advantages. We report the first large prospectively designed descriptive study of drug testing in four species (n = 1,598) over a 23 year period. 4.7% of tested exhibits returned positive results. Commonly detected substances included legitimate veterinary therapeutics such as the sedative acepromazine and the non-steroidal anti-inflammatory phenylbutazone. Targeted testing was more likely to return a positive result than random screening (50 vs 4.7% respectively) although numbers in this targeted sample were small (n = 12). Random drug testing programs were successful in detecting the minority of exhibits using prohibited substances although a wide variety of drugs were found to be used. Further vigilance and research is required in an ever-changing competitive climate to remain at the forefront of detecting new medications in animal show competitions.

中文翻译：

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农村农展展品违禁物质检测：二十三年经验

禁用物质的管理被用于农业表演比赛和赛马行业，以获得不公平的竞争优势。我们报告了在 23 年期间对四个物种 (n = 1,598) 进行的第一个大型前瞻性设计的药物测试描述性研究。4.7% 的测试展品返回阳性结果。常见的检测物质包括合法的兽医治疗药物，如镇静剂乙酰丙嗪和非甾体抗炎保泰松。与随机筛查相比，靶向检测更有可能返回阳性结果（分别为 50% 和 4.7%），尽管该靶向样本中的人数很少（n = 12）。尽管发现使用的药物种类繁多，但随机药物测试程序成功地发现了少数使用违禁物质的展品。