Veterinary Drugs and Growth Promoters Residues in Meat and Processed Meats
Veterinary drugs, which comprise a large number of different types of substances, are generally intended for therapeutic (to control infectious diseases) and prophylactic (to prevent against infections) purposes in farm animals. Other substances with growth promoting effect may exert antimicrobial effect against the microbial flora in the gut to take maximum profit of nutrients in the feed or by affecting the animal’s metabolism. Most of these substances are orally active and can be administered either in the feed or in the drinking water. Other active hormones are applied in the form of small implants into the subcutaneous tissue of the ears. These are slow release (several weeks or months) devices and the ears are discarded at the slaughter. Growth promoters allow a better efficiency in the feed conversion rate. The net effect is an increased protein deposition, partly due to muscle proteases inhibition (Fiems, Buts, Boucque, Demeyer, & Cottyn, 1990), usually linked to...
KeywordsGrowth Promoter Anabolic Effect Maximum Residue Limit Veterinary Drug Macrocyclic Lactone
Project A-05/08 from Conselleria de Sanitat, Generalitat Valenciana (Valencia, Spain) is acknowledged.
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