Occurrence of aflatoxins contamination in commercial chicken feed in the Philippines

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  • フィリピンの市販ニワトリ飼料中アフラトキシン汚染調査
  • フィリピン ノ シハン ニワトリ シリョウ チュウ アフラトキシン オセン チョウサ

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Forty‐four feeds for broiler and 42 feeds for layer, which were commercially available in Luzon, Philippines, were collected, and the aflatoxins (AFs) contamination was investigated by the immunoaffinity column–HPLC method. AFs were detected in 40 (90%) of 44 broiler feeds. The average ± SD of AFB1 was 1.04±1.64 µg/kg, and the maximum was 8.05 µg/kg. The average ± SD of total AFs was 1.20±1.71 µg/kg, with a maximum of 9.19 µg/kg. AFs were detected in 40 (98%)out of 42 layer feeds The average ± SD of AFB1 was 1.63±0.17 µg/kg, with a maximum of 12.72 µg/kg. The average ± SD of total AFs was 1.72±2.85 µg/kg with a maximum of 13.79 µg/kg. No samples exceeded the regulatory limits (total AFs, 20 µg/kg) set by the Philippines, but one sample exceeded the EU regulatory limit (AFB1, 10 µg/kg). As a result of comparison with the contamination of AFs feeds for chicken in Yogyakarta, Indonesia, the contamination frequency was almost the same, but the contamination concentration was 1/6 to 1/18 lower in the Philippine feeds than feeds in Indonesia.

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