Toxicity of cadmium to Pomacea sp.
Date of Publication
1997
Document Type
Bachelor's Thesis
Degree Name
Bachelor of Science in Biology
College
College of Science
Department/Unit
Biology
Abstract/Summary
Acute toxicity test was conducted to determine the mortality rate of Pomacea sp. exposed to different concentrations of cadmium. The 96-hr LC50 value of cadmium to Pomacea sp. was also determined. Three replicates having 10 snails each were used per concentration. Results of the definitive test showed that mortality of Pomacea sp. increased with increasing cadmium concentration. At 1.00 mg/I, it was observed to have 1 16.67% mortality. A 26.67% and 36.67% mortalities were observed at 1.50 mg/I and 2.00 mg/I, respectively. At 2.50 mg/I, 43.33% mortality was recorded and 46.67% mortality at 3.00 mg/I. Snails exposed to 3.50 mg/I and 4.00 mg/I of cadmium had 53.33% and 76.67 % mortalities respectively. A mortality of 100% was recorded at 5.00 mg/I. The control group showed 10.00% mortality. The 96-hr LC50 value computed using the Trimmed Spearman-Karber Analysis was 2.751 mg/I.
Abstract Format
html
Language
English
Format
Accession Number
TU08441
Shelf Location
Archives, The Learning Commons, 12F, Henry Sy Sr. Hall
Physical Description
31 leaves
Keywords
Cadmium--Toxicology; Snails; Toxicity testing
Recommended Citation
Rigor, R. D. (1997). Toxicity of cadmium to Pomacea sp.. Retrieved from https://animorepository.dlsu.edu.ph/etd_bachelors/1600