Farming freshwater prawns

11ANNEXGlossary of terms,abbreviations and conversionsTermsTHE FIRST SECTION OF THIS GLOSSARY defines unfamiliar terms used in this manual.The definitions are intended to make the terms understandable to the novice rather thanto the biologist.Abdomen:Agonistic:Artemia:Bacteria:Bank:Batch culture:Benthic:Berm:Berried:Brine shrimp:Brood chamber:BSE:Buffer:Bund:commonly referred to as the ‘tail’ of prawns, this is the area containingsegments from which the swimming appendages originate.See Table 1 of the main text for details.fighting, combative behaviour.scientific name for brine shrimp.microscopic single-cell organisms of a kind which can cause disease.the elevated rim of a pond. Also called embankment, dyke (dike),berm or bund.a system of rearing prawns involving the total harvest, by seiningor draining or both, at a certain interval after stocking (seeBox 15). The ponds are then drained before re-stocking.organisms living on the bottom of the pond; opposite of planktonic.see Bank.egg carrying.a small crustacean whose larvae are used to feed larval prawns.an area formed beneath the abdomen of the mature female by theexpansion of the pleura, in which the fertilized eggs are carriedbefore hatching. In this area the eggs are oxygenated by movementof the pleopods.bovine spongiform encephalopathy, a serious disease of ruminants,which seems to be associated with the incidence of a similardisease in humans. Colloquially known as mad cow disease.a substance or substances which resist or counteract changes inthe acidity or alkalinity of water.see Bank.ANNEX 11193