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INFLUENCE OF GRADUAL TRANSFER TO DIFFERENT SALINITIES ON GROWTH PERFORMANCE OF Carassius Auratus ( L.,1758) | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 18, Issue 1, 2013, Pages 0-0 | ||
| Authors | ||
| M.Sh. Al-Khashali; S.A. Al-Shawi | ||
| Abstract | ||
| The present study was carried out to investigate the weight gain and growth rate in Carassius auratus , when exposed to gradual concentrations of salinity : 0.1 , 4 , 8 and 12 gm / l . The first concentration represents tap water as a control . The results showed that the final biomass of fish was decreased to151.35 , 144.8 and 135.4gm in 4,8 and 12 gm / l. of salt conc. respectively, in comparsion with 157.35 gm in control . The weight gain also decreased to 12.3 , 4.2 and - 2.8 gm in 4 , 8 and 12 gm / l. of salt conc. respectively , and was 14.7 gm in control . The final growth rate was decreased to 0.17, 0.06 and - 0.04gm / day in 4 , 8 and 12 gm / l. of salt conc. respectively , being 0.21 gm / day in control . | ||
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