Alphacypermethrin residues in milk following a pour-on treatment in buffaloes

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Aim of this study was to detect and quantify the residues of alphacypermethrin (ACYP), a pyrethroid insecticide, in buffalo milk. Ten animals were treated pour-on at the manufacturer’s recommended cattle dose. Milk samples were collected from each animal before treatment, every 12 h for the first three days (12, 24, 36, 48, 60, 72 h) and once on day 5 after treatment. Milk samples were subsequently analysed by ultraperformance liquid chromatography coupled with tandem mass spectrometry (UPLC-MS/MS). All samples showed levels of ACYP above the maximum residual limit of 20 ppb established for bovine milk.

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Smaldone G, Marrone R, Chirollo C, Vollano L, Mercogliano R, Anastasio A. Alphacypermethrin residues in milk following a pour-on treatment in buffaloes. Ital J Food Safety [Internet]. 2013 Jun. 10 [cited 2025 Mar. 11];2(2):e19. Available from: https://www.pagepressjournals.org/ijfs/article/view/ijfs.2013.e19