ISSN 2326-7291
International Journal of Public Health and Epidemiology ISSN: 2326-7291 Vol. 5 (4), pp. 252-258, April, 2016. © International Scholars Journals
Full Length Research Paper
A study of cyanobacteria and absence of cyanotoxins in a public water supply source
Gustavo Luiz1, Carlos Kanitz2 and Souza André2
1Center of Agrarian, Environment and Biological Sciences (CCAAB) of UFRB, Cruz das Almas BA Brazil, 44380-000.
2Preventive Veterinarian Medicine and Animal Reproduction of FCAV/UNESP, 14884-900, Jaboticabal SP Brazil.
*Corresponding author. E-mail: [email protected].
Accepted 02 January, 2016
Abstract
Current analysis, involving measurements of biotic and abiotic factors, determined which factor favored cyanobacteria with subsequent concentrations of microcystins in water collected from a public water supply source during the dry and rainy periods and which received residual water from agricultural production systems. Since no microcystins were detected, waters fitted within the maximum limits of 1mg.L-1 for MC-LR. Nevertheless, if aquiculture production systems are not properly administered, especially for the diet factor, great risks will exist in the contamination and pollution of fresh water. This fact may cause intoxication to the population that use the water and to the aquatic plants and animals which make it their habitat.
Key words: HPLC, nitrogen, organic matter, microcystins, phosphorus.