After 24 h feed deprivation, 130 size-selected shrimps (with initial
wet body weight of 2.73 ± 0.02 g, mean ± S.E.) were pooled into a
large fiberglass tank. Among the pooled shrimps, 30 were randomly
sampled for later analysis (including initial dry weight, amount of energy
and protein in shrimp). The remainder were randomly selected, individually
weighed and stocked into 20 aquaria with each aquarium holding
five individuals. During the experiment, the shrimps were fed twice a