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General Preface to the Series
Selecting a System
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abiotic factors achieved algae ammonia animals aquaculture aquaculture system areas artificial feeding bacteria benthic biological bivalves cage cause channel catfish commercial common carp constraint conversion efficiency crayfish crustaceans diet disease dissolved oxygen levels earth ponds effective eggs Environmental manipulation example F F F farms fertilizers finfish freshwater genetic gonads grass carp grey mullet growth growth-rate gynogenesis harvested hatchery high densities holding facility hormones host hybrids IIurope important improve increasing infection initial involved Japan larvae latter lobsters MANIPULATIONS OF STOCK manure marine meal milkfish molluscs mortality mussel natural food nauplii normally numbers nutrients nutritional offish on-growing oysters parasites pathogens pellets penaeid phytoplankton plants polyculture possible potential prawns predators problems protein rainbow trout requirements salmon salmonids seed sewage signal crayfish silver carp stages STOCK AND ENVIRONMENT stocking density survival tanks techniques teleosts temperature tilapia turbot usually V.VIII V.VIII VI,VIII waste water quality weight wild populations yellowtail zooplankton