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Detergent Effluent Bioconcentration on Docosahexanoic Acid (DHA) of Mackerel Fish

Detergent Effluent Bioconcentration on Docosahexanoic Acid (DHA) of Mackerel Fish

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DEDICATION

This research material, titled “Detergent Effluent Bioconcentration on Docosahexanoic Acid (DHA) of Mackerel Fish” is dedicated to God for His boundless grace and guidance. It is also a tribute to all computer enthusiasts whose contributions made my research journey smoother and enriched my documentation process, making the experience truly fulfilling.



ACKNOWLEDGEMENT

I am profoundly grateful to everyone who contributed to the successful completion of this project. I am especially grateful to my Supervisor (Name), the Head of Department (Name), and the Lecturers in the Department of Science Laboratory Technology (SLT) for their invaluable guidance and support. I also acknowledge the contributions of authors and scholars whose works on Detergent Effluent Bioconcentration on Docosahexanoic Acid (DHA) of Mackerel Fish provided essential insights. Special thanks go to my study area (and any funding organizations, if applicable) for their financial assistance. I am equally thankful to stakeholders, including mentors, teachers, and colleagues, for their encouragement and support. Finally, I deeply appreciate my family and friends for their patience and unwavering support throughout this journey. Your contributions have been instrumental in making this research a reality.



ABSTRACT

The toxicity of commercial detergent effluent, a household cleaning agent was investigated with emphasis on its effects on the Docosahexaenoic acid (DHA) of juvenile Makerlfish with the mean weight of 15+0.3kg and standard length of 8.0+0.5cm. After series of range finding test, the fishes were exposed to lethal concentrations of 0.00mg/l, 0.01mg/l, 0.02mg/l, 0.003mg/l, 0.004mg/l and 0.005mg/l and as well as sub-lethal concentrations 0.000mg/l, 0.002mg/l, 0.003mg/l, 0.004mg/l,005mg/l and 0.006mg/l of detergent effluent for 30days in a renewal boassay procedure. The median lethal concentration (LC50) values for lethal and sublethal test were 0.0166mg/l and 0.0028mg/l respectively.

Respiratory disturbance, erratic swimming, los of weight, lethargies and sudden death were obsened in the exposed fish and these varied greatly with difference in concentration of toxicant and this shows that mortality increase with an increase in concentration of toxicant (detergent) and tine of exposine. The Docosahexaenoic acid (DHA) of the control fish maintained it's normal omega-3 fatty acid structure or appearance. in the tested fish, there was changes in the structure of the DHA in the fish oil. Detergent effluent is highly toxic to juvnile mackerel fish which are more susceptible to this household cleaning agent's effluent. Therefore an indiscriminate discharge of this effluent (Detergent) to the agnatic ecosystem should be discharged.


Detergent Effluent Bioconcentration on Docosahexanoic Acid (DHA) of Mackerel Fish

CHAPTER ONE

1.1 Introduction

… As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Research hypothesis and questions, Limitation of the study and Definition of technical terms.…

CHAPTER TWO

2.0 Literature Review

2.1 Introduction

This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the conceputal review, theoretical framework, the review of related literature …

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