Rodne Nastova1, Vasil Kostov1, Nedeljka Nikolova1* 1UKIM Institute of Animal Science, Bul.Ilinden 92/a, 1000 Skopje, Macedonia nikolova13@gmail.com   Abstract Bioconcentration factors (BCF) for freshwater fish muscle, liver and gonads were calculated and used for potential trace metal accumulation estimation, based on Macedonian water quality standards. Theoretical trace metal burden in fish muscle indicated possible exceeding […]