The survey on growth and survival rate parameters with slurry and comparison by common method
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Author
Sharifian, MansourDate
2007
Metadata
Show full item recordAbstract
This project was on “Study of Slurry, as an enrichment compound, on growth and survivalparameters of Rutilus firisii kutum Kamensky 1901 larva and compare with routinecondition according to hypothesis that use of Slurry, fertile organic compound, to increasethe efficiency of survivorship and growth of Rutilus firisii and in other hand adaptationof natural food was performance.”The object of this project is to compare growth of Rutilus firisii and in usual conditionand the condition of use Slurry The experiences performed in culture and propagationcenter Dr. Yousefpour decent (Associan of Dr. Beheshti culture and propagation) inSiahkal village, 32 Km far from southeast, in North of Iran. In this plan, threedifferent treatments and related these nine pools , in 1.7 hec area (in same condition)were determined so that the density of storage was 1.7 million/hec larva.In this research at first treatment m we use slurry as enrichment compound during larvalwithin a period of 13 days, and it used all the days of during larval in second treatment.Then the result of this study compared to control treatment. The results have shown thelevel of this study compared to control treatment. The results have shown the level ofsurvivorship in pools were nutrition by slurry was 1.7 million times or twice than poolswere nutrition with usual concentrate. In addition, growth coefficient such as dailyweight growing (DWG) index, daily length growth (DLG), specific growth ratio (SGR) were measured in this case. All of these parameters in slurry treatment were shownnoticeable enhancement in first treatmentThereof in the first week there was significant difference (P<0.001) between the averageof length and weight in first week , and in the second week there was a significantdifference (P<0.05) between them.Pages
266Degree
PhDPublisher or University
Islamic Azad University, Science and Research Branch, Tehran, Marine Biology