Fish Hatchery Management - fisheries & aquaculture

498 FISH HAI'CHERY MANAGEMENTSulfomerthiolate (Thimerfonate Sodium) Used as an external disinfectantof living fish eggs.Sulfonamides Antimicrobial compounds having the general formulaSuperiorH2NSOtand acting via competition with p-aminobenzoic acid in folicacid metabolism (for example, sulfamerazine, sulfamethazine).As applied to the mouth, opening in an upward direction.Supersaturation Greater-than-normal solubility of a chemical as aresult of unusual temperatures or pressures.Supplemental Diet A diet used to augment available natural foods.Generally used in extensive fish culture.Susceptible Having little resistance to disease or to injurious agents.Suspended SolidsSwim BladderSwim-upParticles retained in suspension in the water column.See A,ir Bladder.Term used to describe fry when they begin active swimmingin search of food.SyndromeA group of signs that together characterize a disease.Temperature Shock Physiological stress induced by sudden or rapidchanges in temperature, defined by some as any change greater than 3degrees per hour.Tender Stage Period of early development, from a few hours after fertilizationto the time pigmentation of the eyes becomes evident, duringwhich the embryo is highly sensitive to shock. Also called green-eggstage, sensitive stage.Terramycin SeeOxytetracycline.Testes The male reproductive organs.Therapeutic Serving to heal or cure.Thiamine An essential B-complex vitamin that maintains normal carbohydratemetabolism and is essential for certain other metabolicProcesses.Thiosulfate, Sodium (Sodi,r- Hyposulfite, Hypo, Antichlor) NarS2Ol;Titrationused to remove chlorine from solution or as a titrant for determinationof dissolved oxygen by the Winkler method.A method of determining the strength (concentration) of asolution by adding known amounts of a reacting chemical until a colorchange is detected.Tocopherol Vitamin E; an essential vitamin that acts as a biologicalantioxidant.Topical Local application of concentrated treatment directly onto alesion.Total Dissolved Solids (TDS),Saa Dissolved Solids.Total Length The distance from the most anterior point to the mostposterior tip of the fish tail.