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Use of Erythrocyte Measurements to Identify Triploid Saugeyes

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/45309

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dc.creator Garcia-Abiado, Mary Ann
dc.creator Dabrowski, Konrad
dc.creator Christensen, James E.
dc.creator Czesny, Sergiusz
dc.creator Bajer, Przemyslaw
dc.date.accessioned 2010-05-03T15:13:12Z
dc.date.available 2010-05-03T15:13:12Z
dc.date.issued 1999
dc.identifier.citation Garcia-Abiado, Mary Ann; Dabrowski, Konrad; Christensen, James E.; Czesny, Sergiusz; Bajer, Przemyslaw. "Use of Erythrocyte Measurements to Identify Triploid Saugeyes," North American Journal of Aquaculture, v. 61, no. 4, 1999, pp. 319-325. en_US
dc.identifier.issn 1522-2055 (print)
dc.identifier.uri http://hdl.handle.net/1811/45309
dc.description.abstract The use of erythrocyte size measurements as a possible alternative to flow cytometry for identifying triploid saugeyes (female walleye Stizostedion vitreum X male sauger S. canadense) was evaluated. Blood smear preparations were made from 32 heat-shocked saugeyes (1.0-42.7 g; 52-185 mm total length), which consisted of 12 diploids and 20 triploids, as determined by flow cytometry after blood cells were stained with propidium iodide. The length, width, surface area, and volume of the cell and nucleus of 100 erythrocytes were determined for each fish. The cell and nuclear dimensions were measured at 1,000X magnification with a calibrated ocular micrometer. Discriminant analysis was used to distinguish diploids and triploids based on their score profiles. Results showed that triploid saugeyes had significantly larger erythrocyte cell and nucleus measurements than their diploid counterparts (N = 32; P < 0.0001). Erythrocyte measurements correctly distinguished 93.8% of fish samples as diploids or triploids, but measurements require about 1 h/fish. The potential applications of this technique for fisheries management and aquaculture are discussed. en_US
dc.description.sponsorship This research was funded by the Ohio Division of Wildlife under Federal Aid in Sport Fish Restoration, project F-69-P-5, Fish Management in Ohio. en_US
dc.language.iso en_US en_US
dc.subject erythrocyte en_US
dc.subject triploid saugeyes en_US
dc.subject fisheries management en_US
dc.title Use of Erythrocyte Measurements to Identify Triploid Saugeyes en_US
dc.type Article en_US