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Reproductive Cycle of the Cockle Anadara antiquata L. in Calatagan, Batangas, Philippines
Lourdes Toral-Barza and Edgardo D. Gomez
Journal of Coastal Research
Vol. 1, No. 3 (Summer, 1985), pp. 241-245
Published by: Coastal Education & Research Foundation, Inc.
Stable URL: http://www.jstor.org/stable/4297060
Page Count: 5
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The annual gonad condition of Anadara antiquata was determined histologically in biweekly samples collected over a two-year period from Calatagan, Batangas, Philippines. Examination of gonad sections showed that gametogenic activity and spawning occur continuously throughout the year, with peak spawning from July to September. Fluctuations of the gonad index suggest that the duration of the gametogenic cycle is 1-2 months.
Journal of Coastal Research © 1985 Coastal Education & Research Foundation, Inc.