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2Department of Animal Diseases and Veterinary Public Health, Faculty of Veterinary Medicine, Bogor Agricultural Universty, Bogor 16680, West Java, Indonesia
This study aimed to measure the incidence rate of aflatoxin B1 contamination in feed raw materials (MBM and PPM) imported through Port of Tanjung Perak Surabaya, and its relation to the growth of the fungi that produce it. ELISA (Enzyme Linked Immunosorbent Assay) competitive was conducted to identify Aflatoxin B1 and followed by HPLC (High Performance Liquid Chromatography). Fungal identification was conducted as a macroscopic and microscopic observation. ELISA test showed 55 of 84 (55.95%) samples were positive for aflatoxin B1 contamination, while 3 of 7 (42.85%) samples tested by HPLC were positive. The result of fungal identification showed 1 of 12 samples positive Aspergillus flavus, and others types of fungi. AFB1 contamination in animal feed raw materials is likely to have occurred in the country of origin, whereas the growth of the fungus is due to the level of humidity and temperature during the transportation and storage process.