ISSUE FOCUS 54 FEED & ADDITIVE MAGAZINE April 2023 88%, 100% and 103% for AF (B/G), T2/HT-2 Toxin, OTA, ZEA, FBs and DON, respectively. This demonstrates how comparable the Myco 7 Array is to LC-MS/MS with regards to accuracy. To further prove the performance of the Myco 7 Array on the Evidence Investigator, the Association of American Feed Control Officials (AAFCO) carried out an inter-laboratory collaborative study to validate the reproducibility of the test. This study involved seventeen blind feed samples which were fractionated and shared across nine AAFCO laboratories with each laboratory receiving a set of 17 feed samples. Sibanda et al., 2022, reported the results of the inter-laboratory collaborative study which showed that each laboratory successfully passed this proficiency test formatted round. The results, 99% of them, fell within an acceptable Z-score range of -2|<Z<|+2. The reproducibility co-efficiency of variation was below the 20% set by AAFCO, therefore, meeting set criterion. The ability to test for many mycotoxins in one run, ease of use and the low operational cost implications enabled AAFCO to accept the Myco 7 Array as Fit-for-Purpose for use in the AAFCO control programs for mycotoxins. Randox Food Diagnostics will be at the World Mycotoxin Forum in Belgium from the 9th – 11th October 2023, visit our booth or contact us to discuss our mycotoxin screening solutions further! References: 1. Monika Plotan, Raynond Devlin, Jonathan Porter, M. El Ouard Benchikh, María Luz Rodríguez, Ivan McConnell, and S. Peter Fitzgerald (2016). The Use of Biochip Array Technology for Rapid Multi-mycotoxin Screening. Journal of AOAC International, 99(4): 878 – 889. 2. Liberty Sibanda, Kristi McCallum, Monika Plotan, Sharon Webb, Brenda Snodgras, Quinton Muenks, Jonny Porter and Peter Fitzgerald (2022). Interlaboratory collaboration to determine the performance of the Randox food diagnostics biochip array technology for the simultaneous quantitative detection of seven mycotoxins in feed. World Mycotoxin Journal, 15(3): 241-250. About Dr. Liberty Sibanda Dr. Liberty Sibanda, having completed his PhD in Pharmaceutical Sciences at Ghent University, has extensive knowledge of the diagnostics industry. An Applications Manager for Randox Food Diagnostics Ltd., Dr. Sibanda has over 20 years of experience developing and marketing mycotoxin test kits and has published numerous papers on the detection of mycotoxins in food and feed.
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