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Induced Spawning Of Captive Tripletail Lobotes Surinamensis, Nicholas Adams
Induced Spawning Of Captive Tripletail Lobotes Surinamensis, Nicholas Adams
Master's Theses
The Tripletail, Lobotes surinamensis, is an emerging candidate species for U.S. marine aquaculture. This work aimed to address two bottlenecks for hatchery production of the species by developing a hormonal induction protocol to obtain fertile spawns from captive brooders and a method for sex identification of candidate brooders.
Single pairs selected among a captive-held broodstock conditioned under a natural photothermal cycle were induced with one of five treatments (n = 5 or 6 replicates per treatment). Control (no hormone) and hCG (1,100 IU.kg-1 for females, 550 IU.kg-1 for males) pairs did not spawn. Pairs treated with GnRHa …