TAIPEI (Taiwan News) — PX Mart announced Friday that it was ordered by the Kaohsiung Health Bureau to remove 200-gram packs of Taiwan tilapia fillets from shelves after the product tested positive for the veterinary drug enrofloxacin. The supermarket chain said customers may return the fillets for refunds with receipts at the original store. The sudden recall caused concern among shoppers, especially those who had already consumed the product, per CNA. The Kaohsiung City Department of Health said the tilapia contained excessive levels of enrofloxacin, a bactericide permitted in some livestock but banned in aquatic products. According to the Taiwan Food and Drug Administration, ingesting excessive amounts of the drug can cause stomach and kidney problems, meaning any detectable residue is considered a violation. The contamination was first discovered during an annual food inspection in October, when 12 samples of aquatic products were tested. One sample of Taiwan tilapia fillets, ...