MALONDIALDEHYDE LEVELS AND GLUTATHIONE PEROXIDASE ACTIVITIES IN THE TISSUES OF FRESHWATER CRAYFISH (ASTACUS LEPTODACTYLUS ESCH. 1823) IN CULTURE CONDITION - F. M. Kandemir; F. Benzer; M. Erisir; N. C. Yildirim (Journal of Animal and Plant Sciences, 2011)