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Residues of some pesticides and aflatoxin in poultry tissues

C.K.BEURA AND R.P.SINGH
Central Avian Research Institute, Izatnagar (U.P.) 243 122

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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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