MORPHOLOGY AND GENERAL REPRODUCTIVE STAGES OF ...

3.3 Results
3.3.1 Morphological features for characterizing P. nasutus and
P. conchophilus
3.3.2 Meristic characters
3.3.3 Morphometric characters
3.4 Discussion
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4. GAMETOGENESIS IN Pangasius nasutus
4.1 Introduction
4.2 Materials and methods
4.2.1 Field sampling
4.2.2 Gonads collection and macroscopic observations
4.2.3 Histological preparation for gonad studies
4.2.4 Oocyte and spermatogenic stages
4.2.5 Fecundity estimation
4.2.6 Statistical analysis
4.3 Results
4.3.1 Samples landed and standard length-weight relationship
4.3.2 Water parameters, rainfall and water level of Pahang
River near Maran
4.3.3 Biological indices
4.3.4 Macroscopic observation of the ovaries of P. nasutus
4.3.5 Macroscopic observation of the testes of P. nasutus
4.3.6 Microscopic observations on the individual stage of
oocytes in P. nasutus
4.3.7 Microscopic observations of the whole-section of
ovarian development of P. nasutus
4.3.8 Microscopic observations on the spermatogenic cells of
P. nasutus
4.3.9 Microscopic observations of the whole-section of
testicular development of P. nasutus
4.3.10 Seasonal development in the gonadal stages of P.
nasutus
4.3.11 Homogeneity of the ovary and fecundity of P. nasutus
4.4 Discussion
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5. GENERAL DISCUSSION AND CONCLUSION
5.1 General discussion
5.2 Conclusion
REFERENCES
APPENDICES
BIODATA OF AUTHOR
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