HCH and DDT Residues in Animal Feed and its Components in and Around Delhi

DDT residues (P, P’ DDE, DDD and DDT) ranged from ND (< 0.001 mg kg⁻¹) in paddy straw and berseem to 0.251 mg kg⁻¹ in rice husk. HCH residues (total of alpha-, beta-, gamma-HCH) ranged from 0.007 mg kg⁻¹ in mustard cake to 1.97 mg kg⁻¹ in mixed bran.