Comparative study of toxic lead effect on gill and haemoglobin of tilapia fish

✍ Scribed by L. M. Tabche; C. M. Martinez; E. Sanchez-Hidalgo

• Book ID: 102289347
• Publisher: John Wiley and Sons
• Year: 1990
• Tongue: English
• Weight: 298 KB
• Volume: 10
• Category: Article
• ISSN: 0260-437X
• DOI: 10.1002/jat.2550100309

✦ Synopsis

This study was designed to determine the 72-h L C ~~

of lead for tilapia fish (Oreochrornis hornorurn), as well as the effect of exposure to sublethal lead concentrations (15, 23, 31, 39 and 47% of the L C ~~) on gill tissue lysosomal membranes of the fish and the haemoglobin concentration in blood. The Lcsovalue was found to be 202 mg PbZf ( -I . Exposure to sublethal lead concentrations for 72 h showed significant increases in the lability of gill lysosomal membranes, measured by the release of acid phosphatase. Changes in membrane lability and in haemoglobin concentration were dependent on the amount of lead used during the exposure. We considered that the membrane lability is an adequate parameter to assay for monitoring lead contamination in water, because it is more sensitive than the haemoglobin concentration in blood.