| Autor: |
Pagheh, Esmaeil, Ghafleh Marammazi, Jassem, Zabayeh Najafabadi, Mojtaba, Osooli, Abdul Rahim, Mohammadi Dost, Mehrdad, Hajebnejad, Kamran, Ranjbar, Amin |
| Jazyk: |
perština |
| Rok vydání: |
2016 |
| Předmět: |
|
| Popis: |
This investigation has been carried out to complement the previous related study, aiming the Possibility of culturing white leg shrimp (L.vannamei) at higher densities of 50, 70 and 90 indiviuals/m2. After 122 days rearing period, the highest mean weight of shrimp obtained at density of 50 indiviuals/m2 (16.91± 2.43 g) with no significant difference with that obtained at 90 indiviuals/m2 density (P≤ 0.05). Mean weight gain of the shrimp in the 70 indiviuals/m2 density (14.35 ± 2.17g) was significantly lower than that at other densities (P≤0.05). Results showed no significant (P> 0.05) difference between survival rates , FCR and PER in the different treatments. The highest yield of 14008 kg/ha with the mean weight of 19.43 g/shrimp was obtained at the density of 90 indiviuals /m2. According to the results of the present study it could be concluded that 90 indiviuals /m2 could be adapted as suitable density for economically feasible culture of L.vannamei in earthen ponds in Chowibdeh site if the appropriate conditions are provided. Iranian Fisheries Science Research Institute Published |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
|
