Pharmacological Effects and Assays

Beta-adrenergic agonists such as clenbuterol, ractopamine, and zilpaterol are synthetic compounds that, when administered to livestock, redirect nutrient partitioning away from fat and toward lean muscle, making them attractive tools for improving feed efficiency and carcass yield. Their use sits at the intersection of animal performance science and food safety, because residues persisting in edible tissue can trigger cardiovascular and neurological effects in consumers, prompting regulatory bans in many countries while other jurisdictions permit controlled use. Researchers are actively working to understand how these compounds alter muscle fiber composition, tenderness, and water-holding capacity in meat, since productivity gains can come at measurable costs to eating quality. A parallel and urgent challenge is developing faster, more sensitive detection methods — including immunoassays and electrochemical sensors — capable of identifying trace residues across a wide range of species and tissue matrices to support both regulatory enforcement and supply-chain transparency.

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Keywords

ClenbuterolRactopamineZilpaterolMeat QualityLivestockPerformance