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Residues of some pesticides and aflatoxin in poultry tissues

Central Avian Research Institute, Izatnagar (U.P.) 243 122


Occurrence pattern of residues of some pesticides such as BHC, DDT (organochlorines) and malathion (organophosphate) and aflatoxin B1 (mycotoxin) were studied in spent hen tissues over a year period. It was found that BHC level in muscle ranged from 0.06 – 0.15ppm whereas in liver and adipose fat it was in the range of  0.1 – 0.2ppm and 0.2 – 0.5ppm, respectively. Percent occurrence of BHC was found to be higher in adipose tissue (42.5%) during Aug.-Nov. period of the year. Occurrence pattern was observed similar in muscle and liver (33.3%) which was higher during Dec-March period.The level of DDT was recorded to be 0.05 – 0.15ppm in muscle, 0.1 – 0.25ppm in liver and 0.1 – 0.4ppm in adipose tissues. Occurrence pattern of DDT showed that it was more (33.3%) during April-July and Aug.-Nov. phases in muscle, followed by Aug.-Nov. in liver and April-July in adipose tissue. The residual level of malathion was found to be 0.05ppm in all categories of tissues studied. In muscle and adipose fat, only 8.33% of samples were found to be positive during Dec.-March period and in liver samples malathion also occurred in April-July.  There was no detectable level of aflatoxin B1 in samples examined. It was inferred that the occurrence of residues is more during Aug.-Nov period as compared to other periods under study.

Source : IPSACON-2005
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