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Physiological and biochemical changes of wild and cultivated juvenile pink shrimp Farfantepenaeus duorarum (crustacea: penaeidae) during molt cycle ArchiMer
Luis Bonilla-gomez, Jose; Chiappa-carrara, Xavier; Galindo, Carmen; Jeronimo, Gilberto; Cuzon, Gerard; Gaxiola, Gabriela.
Changes in metabolite levels in hemolymph and hepatopancreas were used as indicators of physiological status of juvenile wild and cultivated Farfantepenaeas. duorarum (Burkenroad, 1939), during hyper-osmoregulatory conditions (salinity 22 ppt, 726 mOsm/kg). We analyzed the relationship between biochemical changes of wild and cultivated shrimp at different molt stages by measurement of osmotic capacity, hemocyanin, acylglycerides, cholesterol, glucose, glycogen and total protein. Biochemical analyses of hemolymph (blood) and hepatopancreas showed a decreasing trend in stages closer to molt and an increasing trend before intermolt. Osmotic capacity and blood proteins indicated a significant effect of the molt stage. Stages A. D1' and D''' showed the greatest...
Tipo: Text Palavras-chave: Biochemical analysis; F. duorarum; Molt stages; Osmoregulation.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00088/19936/17773.pdf
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Reproductive performance, biochemical composition and fatty acid profile of wild-caught and 2nd generation domesticated Farfantepenaeus duorarum (Burkenroad, 1939) broodstock ArchiMer
Emerenciano, Mauricio; Cuzon, Gerard; Mascaro, Maite; Arevalo, Miguel; Norena-barroso, Elsa; Jeronimo, Gilberto; Racotta, Ilie; Gaxiola, Gabriela.
A 30-day trial was performed to evaluate the reproductive performance of wild and 2nd generation domesticated Farfantepenaeus duorarum broodstock. Changes in biochemical composition and fatty acids (FA) profile in the 1st and 4th spawn order females were used as indicators of nutritional condition. Wild population of F. duorarum presented significantly better reproductive outcomes as compared to domesticated ones. Wild spawners achieved significantly higher number of eggs per spawn, number of egg per spawn per g of spawner's body weight and number of nauplii per spawn (P<0.05). Latency period was significantly shorter (P<0.05) for wild than for domesticated females (11 vs 17 days). Wild spawners also presented less mortality (6 vs 12%), higher number...
Tipo: Text Palavras-chave: Fatty acids; F. duorarum; Lipids; Pink shrimp; Nutrition; Reproduction.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00079/19042/17214.pdf
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