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Pesticides are one of the pollutants threatening aquatic invertebrates living in the tributaries of the River Nile. So, the effect of the biofungicide, Trichoderma harzianum on the crayfish, Procambarus clarkii and its influence on electrophretic pattern of proteins and tissue pathology of gonads were studied. Different concentrations of T. harzianum (100, 50, 40, and 20%) were used. The potency of...
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