Ecology, Environment and Conservation Paper

Vol.08, Issue 01, 2002; Page No.(9-13)

BIOLOGICAL CONTROL OF HARMFU ZOOPLANKTON NURSERY PONDS

M. Azizul Islam, Abdullah Harun Chowdhury And M. Zaman

Abstract

Five fish nursery ponds were prepared by the biological control method with the help of Catla catla and Hypophthalmichthys molitrix without using chemicals. All Copepoda and Cladocera were found to be completely eaten up by these fishes. But Labeo rohita, Cirrhina mrigala and Cyprinus carpiĀ° were ineffective in eliminating these plankton.

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