eng Oriental Scientific Publishing Company Biomedical and Pharmacology Journal 0974-6242 2015-04-26 5 2 319 325 2519 article M. Ilavazhahan 1 R. Tamilselvi 2 Department of Zoology, Sir Thyagaraya College, Chennai - 600 021, India. Department of Chemistry, Bharathi Women’s College, Chennai - 600 108, India. An investigation was carried out to assess the impact of pathogens (Pseudomonas putida), pesticide (Methyl parathion) and metal (Ferrous sulphate) on the oxygen consumption of the fish catla catla (Ham.). The effect of oxygen consumption were studies by exposing the fish cata catla to the toxicant. The changes in the oxygen increment was noticed with increasing exposure time. https://biomedpharmajournal.org/vol5no2/studies-on-oxygen-consumption-of-the-fish-catla-catla-hamilton-as-influenced-by-toxic-synergism/ Pseudomonas putida Methyl parathion Ferrous sulphate Catla catla