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MORPHOLOGY AND GENERAL REPRODUCTIVE STAGES OF ...

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TABLE <strong>OF</strong> CONTENTS<br />

DEDICATION<br />

ABSTRACT<br />

ABSTRAK<br />

ACKNOWLEDGEMENTS<br />

APPROVAL<br />

DECLARATION<br />

LIST <strong>OF</strong> TABLES<br />

LIST <strong>OF</strong> FIGURES<br />

LIST <strong>OF</strong> ABBREVEATIONS<br />

Page<br />

ii<br />

iii<br />

v<br />

vii<br />

viii<br />

x<br />

xiii<br />

xv<br />

xix<br />

1. INTRODUCTION<br />

1.1 Background of Patin buah in Malaysia<br />

1.2 Statement of problems<br />

1.3 Significance of the study<br />

1.4 Objectives<br />

1<br />

2<br />

3<br />

4<br />

2. LITERATURE REVIEWS<br />

2.1 Taxonomy<br />

2.2 Distribution of the family Pangasiidae<br />

2.3 Catfishes as an Economic commodity<br />

2.4 Morphological characters of the genus Pangasius nasutus<br />

2.5 The biology of catfishes<br />

2.6 Reproductive dynamics<br />

2.6.1 Spawning pattern and cycle of ovarian development in<br />

catfishes<br />

2.6.2 Testicular development of catfishes<br />

2.7 Histology of the gonadal development<br />

6<br />

9<br />

11<br />

12<br />

14<br />

15<br />

17<br />

19<br />

20<br />

3. MORPHOLOGICAL VARIATIONS BETWEEN Pangasius nasutus<br />

<strong>AND</strong> Pangasius conchophilus<br />

3.1 Introduction<br />

3.2 Materials and methods<br />

3.2.1 Study area<br />

3.2.2 Samples collection<br />

3.2.3 Sampling methods<br />

3.2.4 Morphometric and meristic characters<br />

3.2.5 Statistical analysis<br />

24<br />

25<br />

25<br />

26<br />

27<br />

31<br />

35<br />

xi

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