Pajand, Z. (2018). Standard of some critical parameters of inlet and outlet water in different densities of beluga (Huso huso). , 1(1), 93-105.
Zabih ollah Pajand. "Standard of some critical parameters of inlet and outlet water in different densities of beluga (Huso huso)". , 1, 1, 2018, 93-105.
Pajand, Z. (2018). 'Standard of some critical parameters of inlet and outlet water in different densities of beluga (Huso huso)', , 1(1), pp. 93-105.
Pajand, Z. Standard of some critical parameters of inlet and outlet water in different densities of beluga (Huso huso). , 2018; 1(1): 93-105.

Standard of some critical parameters of inlet and outlet water in different densities of beluga (Huso huso)

ماهیان خاویاری
Article 6, Volume 1, Issue 1, March 2019, Pages 93-105    PDF (309.09 K)
Document Type: Tarvij
Author
Zabih ollah Pajand*
Director of Sturgeon Station of Gilan
Abstract
Decomposition of solids increases ammonia, nitrite, nitrate and phosphate parameters in aquaculture system and decreases dissolved oxygen and the quality of circulating water. Sustainable aquaculture with estimates of the amount of nutrients in culture system of fish can be provided to its purification. In this study, beluga fingerlings were introduced into 12 tanks with 80-liter water. During 55 days of the experiment, sturgeon was fed with 2% body weight at 4 times per day. 3 treatments containing densities of 2-3, 3-4 and 4-5 kg​​/m2 were considered. Ammonia, phosphate, nitrite and nitrate parameters were not significantly different in densities of 2-3 and 3-4 kg/m2, and this difference was revealed in the density of 4-5 kg​​/m2 compared with lower densities. In this study, we can conclude that with a density of 3-4 kg/m2 beluga fingerlings for the critical parameters of the outlet water will be appropriate for reuse of water with its physical and biological purification.
Keywords
Water quality parameters; Density; Huso huso
References
Statistics
Article View: 452
PDF Download: 753


counter
Journal management system. designed by sinaweb