Annual Reports of Monitoring Inspection of Animal Feed in the fiscal year 2012
1 Mycotoxins
A total of 271 formula feed and mixed feed samples and 225 feed ingredient samples of 26 types were subjected to monitoring program conducted by FAMIC (Food and Agricultural Materials Inspection Center) for 20 mycotoxins. The results of monitoring for aflatoxin B1, deoxynivalenol and zearalenone regulated by the guiding tolerance of toxic substances from April 2012 to March 2013 are summarized as follows:
1.1 Aflatoxin B1
A total of 247 formula feed samples were analyzed for aflatoxin B1. The detected highest value was 0.008 mg/kg in formula feed for broiler starter. No sample exceeded the standard value (0.01 mg/kg for growing animals and dairy cattle, 0.02 mg/kg for the other livestock) set by Ministry of Agriculture, Forestry and Fisheries (MAFF).
A total of 216 feed ingredient samples were analyzed for aflatoxin B1. Aflatoxin B1 was detected mainly from corn, by-products of corn, barley, wheat bran, soybean by-products, pineapple by-products and copra meal. The detected highest values of each feed ingredient samples were 0.024 mg/kg in corn imported from USA, 0.0006 mg/kg in barley imported from Canada, 0.006 mg/kg in domestic corn gluten meal, 0.004 mg/kg in domestic corn gluten feed, 0.0008 mg/kg in wheat bran imported from Sri Lanka, 0.002 mg/kg in corn distillers’ grain imported from USA, 0.003 mg/kg in DDGS imported from USA, 0.0008 mg/kg in domestic soybean hulls, 0.001 mg/kg in soybean meal imported from India, 0.001 mg/kg in pineapple by-products imported from Philippines and 0.048 mg/kg in copra meal impoerted from Indonesia.
1.2 Deoxynivalenol
A total of 247 formula feed samples were analyzed for deoxynivalenol. The detected highest value was 0.57 mg/kg in formula feed for layers. No sample exceeded the standard value set by MAFF (4 mg/kg for the cattle (over 3 months-old), 1 mg/kg for the other livestock).
A total of 211 feed ingredient samples were analyzed. Deoxynivalenol was detected mainly from corn, grain, by-products of corn and grain and pineapple by-products. The detected highest values of each feed ingredient were 0.53 mg/kg in corn imported from Ukraine, 0.19 mg/kg in donestic wheat flour, 0.21 mg/kg in domestic rice bran, 2.9 mg/kg in domestic corn gluten feed, 0.69 mg/kg in domestic corn gluten meal, 1.0 mg/kg in domestic wheat bran, 3.8 mg/kg in DDGS imported from USA, 0.23 mg/kg in wheat imported from Canada and 0.38 mg/kg in domestic barley bran.
1.3 Zearalenone
A total of 247 formula feed samples were analyzed for zearalenone. The detected highest value was 0.98 mg/kg in formula feed for layers. No sample exceeded the standard value set by MAFF (1 mg/kg).
A total of 211 feed ingredient samples were analyzed for zearalenone. Zearalenone was detected mainly from corn, grain, by-products of corn and grain, soybean by-products, rice bran, rapeseed meal and pineapple by-products. The detected highest value was 24 mg/kg in domestic corn gluten meal.
2 Heavy metals
A total of 154 formula and mixed feed samples, 35 feed ingredients samples such as fish meal were subjected to monitoring program conducted by FAMIC for cadmium, lead, arsenic and mercury, which were established the standard value setting by MAFF.
2.1 Cadmium
A total of 149 formula feed samples were analyzed for cadmium. The detected highest value was 0.29 mg/kg in formula feed for layers. No sample exceeded the standard value set by MAFF (1 mg/kg).
A total of 34 feed ingredient samples were analyzed for cadmium. The detected highest value was 1.9 mg/kg in domestic fish meal. No sample exceeded the standard value set by MAFF (3 mg/kg).
2.2 Lead
A total of 149 formula feed samples were analyzed for lead. The detected highest value was 1.6 ppm in formula feed for layers. No sample exceeded the standard value set by MAFF (3 mg/kg).
A total of 34 feed ingredient samples were analyzed for lead. The detected highest value was 1.6 ppm in domestic fish meal. No sample exceeded the standard value set by MAFF (7 mg/kg).
2.3 Mercury
A total of 149 formula feed samples were analyzed for mercury. The detected highest value was 0.22 ppm in formula feed for layers. No sample exceeded the standard value set by MAFF (0.4 mg/kg).
A total of 34 feed ingredient samples were analyzed for mercury. The detected highest value was 0.93 mg/kg in domestic fish meal. No sample exceeded the standard value set by MAFF (1 mg/kg).
2.4 Arsenic
A total of 14 formula feed samples were analyzed for arsenic. The detected highest value was 0.55 ppm in formula feed for layer. No sample exceeded the standard value set by MAFF (2 ppm).
Two rice straw samples were analyzed for arsenic. The detected highest value was 6.0 mg/kg. No sample exceeded the standard value set by MAFF (7 mg/kg).
3 Agricultural chemicals
Feed and feed ingredient samples were subjected to the monitoring program conducted by FAMIC for a total of 56400 data for 143 agricultural chemicals. No sample exceeded the standard values.
For formula feed samples, a total of 233 samples were tested for 130 agricultural chemicals. As a result, the following nine agricultural chemicals were detected:
･Pirimiphos-methyl was detected in 48 samples and the highest value was 420 µg/kg.
･Chlorpyrifos-methyl was detected in 33 samples and the highest value was 240 µg/kg.
･Malathion was detected in 15 samples and the highest value was 86 µg/kg.
･Chlorpyrifos was detected in two samples and the highest value was 36 µg/kg.
･Fenitrothion was detected in two samples and the highest value was 290 µg/kg.
･Difenoconazole was detected in two samples and the highest value was 25 µg/kg.
･Chlorpropham was detected in one sample and the value was 31 µg/kg.
･Fenbuconazole was detected in one sample and the value was 26 µg/kg.
･Propargite was detected in one sample and the value was 86 µg/kg.
For feed ingredient samples, a total of 262 samples were tested for 136 agricultural chemicals.
As a result, the following 13 agricultural chemicals were detected:
･Chlorpyrifos-methyl was detected in 12 samples and the highest value was 450 µg/kg in domestic wheat bran.
･Malathion was detected in 18 samples and the highest value was 260 µg/kg in domestic wheat bran.
･Pirimiphos-methyl was detected in six samples and the highest value was 480 µg/kg in corn imported from Brazil.
･Chlorpyrifos was detected in four samples and the highest value was 660 µg/kg in alfalfa imported from USA.
･Propiconazole was detected in three samples and the highest value was 2000 µg/kg in ryegrass straw imported from USA.
･Cadusafos was detected in one oat hay sample imported from Australia and the value was 23 µg/kg.
･Cyhalothrin was detected in one alfalfa hay sample imported from USA and the value was 380 µg/kg.
･Tebuconazole was detected in one oat hay sample imported from Australia and the value was 460 µg/kg.
･Trifluralin was detected in one alfalfa hay sample imported from USA and the value was 150 µg/kg.
･Fenitrothion was detected in one barley bran sample imported from Australia and the value was 51 µg/kg.
･Flutolanil was detected in one alfalfa hay sample imported from USA and the value was 43 µg/kg.
･Pendimethalin was detected in one alfalfa hay sample imported from USA and the value was 22 µg/kg.
･Metominostrobin was detected in one domestic rice bran sample and the value was 22 µg/kg.
4 Other contaminants
4.1 Nitrate form nitrogen
A total of 22 hay samples, including 13 sudangrass and nine alfalfa were analyzed for nitrate form nitrogen. The detected highest values of each type of hay were 1300 mg/kg in sudangrass imported from USA and 690 mg/kg in alfalfa imported from USA. When these hay grass are used for feeding, the following guideline should be referred and pay special attention to the handling of the grass.
4.2 Malachite green and leuco malachite green
A total of 13 samples of formula feed and 16 samples of fish meal were analyzed for melamine. As a result, melamine was not detected from these samples.
