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  • Title: [Occurrence of chlorinated pesticides and polychlorinated biphenyls in the stalls and outdoor environment in pig-fattening farms].
    Author: Raszyk J, Gajdůsková V, Ulrich R, Jarosová A, Sabatová V, Salava J, Palác J.
    Journal: Vet Med (Praha); 1996 Jun; 41(6):165-71. PubMed ID: 8711875.
    Abstract:
    Contents of some pesticides (lindane, DDT sum, o,p'-DDE, p,p'-DDE, o,p'-DDD, p,p'-DDD, o,p'-DDT, p,p'-DDT) and polychlorinated biphenyls (Delor 103, Delor 106, PCB congeners: 28, 52, 101, 118, 138, 153, 180) were investigated on three farms of fattened pigs (D., M. and T) in Hodonín district in 1994, as occurring in feed mixtures (n= 15), drinking water (n = 10), stable sedimented dust (n = 14), slurry (n = 10) and pavement dust (n = 5). Maximum permissible contents (MPC) of extraneous matters in feed mixtures were exceeded in lindane (two samples) and polychlorinated biphenyls (PCB). MPC of extraneous matters were not exceeded in drinking waters in any of the samples examined. Feed mixtures were found to have the highest average lindane content (0.054 mg/kg) and PCB sum (0.24 mg/kg); the ratio of lower chlorinated biphenyls (Delor 103) to higher chlorinated biphenyls (Delor 106) was 12:1; out of the PCB congeners, the highest amounts were determined for congeners 28 (0.067 mg/kg) and 52 (0.022 mg/kg); among the DDT isomers, isomer p,p'-DDT was prevailing (0.008 mg/kg). Drinking water had the 1:1 ratio of lower chlorinated to higher chlorinated biphenyls; out of the PCB congeners, the highest amounts were found out for congeners 28 (2.574 ng/l) and 101 (2.066 ng/l); among the DDT isomers, isomer p,p'-DDE was prevailing (1.887 ng/l). Stable dust was found to have the highest average level of DDT sum (0.026 mg/kg); the ratio of lower chlorinated to higher chlorinated biphenyls was 1:7; out of the PCB congeners, the highest amounts were determined for congeners 138 (0.036 mg/kg) and 153 (0.030 mg/kg); among the DDT isomers, isomer p,p'-DDE was prevailing (0.012 mg/kg). Slurry showed the 1:6 ratio of lower chlorinated to higher chlorinated biphenyls; out of the PCB congeners, the highest amounts were found out for congeners 138 (0.016 mg/kg dry matter) and 153 (0.014 mg/kg dry matter); among the DDT isomers, isomer p,p'-DDT was prevailing (0.005 mg/kg dry matter). Pavement dust had the 1:5 ratio of lower chlorinated to higher chlorinated biphenyls; out of the PCB congeners, the highest amounts were found out for congeners 138 (0.016 mg/kg) and 153 (0.012 mg/kg); among the DDT isomers, isomer p,p'-DDE was prevailing (0.005 mg/kg). Examination of feed mixtures and drinking waters will provide basic data on pollutant inputs to the stable environment. Stable sedimented dust is considered as an outstanding indicator of pollutant contamination of stable environment, regardless whether it comes from feed or other sources. Slurry examination will provide additional information on the total pollutant load of pig farms, informing us about outputs of extraneous matters residues from pig farms. Pavement dust examination indicates the level of pollutant load of outside stable environment as the pollutants can occasionally penetrate to the internal stable environment.
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