Variations in gross biochemical composition in relation to the gametogenic cycle of the baby clam, Marcia opima (Gmelin), from two geographically separated areas


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Authors

  • N. Suja
  • P. Muthiah

Abstract

Gross biochemical composition and condition index were investigated in two geographically separated populations of the baby clam, Marcia opima during December 1998 - January 2000. Proteins, lipids, total carbohydrates and glycogen showed similar patterns of the variation according to the reproductive cycles in clams from both the areas, highlighting the importance of the reproductive cycle and physiological features of the species and also the influence of environmental conditions in determining biochemical composition. Proteins and lipids were maximum in the mature clams and decreased during and after spawning. Lipids were higher in females. Seasonal variations of lipid were inversely related to glycogen contents. Total carbohydrates and glycogen increased during summer and decreased during monsoon. Condition index was influenced by environmental conditions, which further determined the spawning season.

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Issue

Vol. 57 No. 1 (2010)

Section

Articles

License

The copyright of the articles published in Indian Journal of Fisheries vests with the Indian Council of Agricultural Research, who has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The Council has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to the ICAR where information will be utilized.

How to Cite

Suja, N., & Muthiah, P. (2011). Variations in gross biochemical composition in relation to the gametogenic cycle of the baby clam, Marcia opima (Gmelin), from two geographically separated areas. Indian Journal of Fisheries, 57(1), 53-59. https://epubs.icar.org.in/index.php/IJF/article/view/7523