2.5. Nursery rearing of larvae and survival
Twelve glass aquaria (25 L) were arranged in a wet laboratory
in the Air Breathing Fish Breeding and Culture Unit,
APED, ICAR-CIFA, Bhubaneswar, India. The larvae obtained
from the six treatment groups of Experiment 1 were reared
in glass aquaria in duplicate. Glass aquaria were filled with
10 L of water and eachaquariumwas stocked with25 larvae
that were 3 days post hatching (dph). Larvae were fed ad
libitum with mixed zooplankton. Every day, before feeding
fecal matter was siphoned. About 15% to 20% of water was
replaced to keep optimum water quality content. Mortality