As an endangered animal species, the Chinese sturgeon (Acipenser sinensis) has been artificially cultured during recent years. In present experiment, performance of a common formulated feed and mixed natural on growth blood physiology were compared one year indoor culture. terms specific rate, diet group showed higher value (4.2%) with food (−1.8%) Alanine aminotransferase activities sturgeons ...

Histological examination of thymi from juvenile Acipenser ruthenus and Acipenser brevirostrum after haematoxylin and eosin staining revealed the presence of Hassall’s corpuscles, in a scattered distribution within the thymic medulla in two of seven, and one of nine examined specimens, respectively. Morphologically, the Hassall’s corpuscles were of the juvenile and premature type and no degenera...

Objective- Acipenser persicus is one of the most important caviar producing fishes in the Caspian Sea and one of the endangered species of the sturgeon fishes. For breeding of sturgeons, large numbers of animals have to be captured and examined to obtain sufficient numbers of mature fishes that will spawn within a few months in captivity. Design- Original study Animals- A total of 66 adult Acip...

Purpose. To analyze the productive-biological and biochemical parameters of sturgeon larvae fry under conditions introduction synthetic (Levamisole) organic (Chitosan) immunostimulants into their diet. evaluate effect supplements on stability homeostatic processes based analysis enzyme activity. Methodology. The study was carried out juvenile hybrid besters (♀ Huso huso х ♂ Acipenser ruthenus) ...

although the persian sturgeon, acipenser persicus , is a commercially valuable sturgeon species of the caspian sea, but there are only few reports about its parasite fauna in the southern part of the caspian sea. in this study, a total of 209 individuals of persian sturgeon were collected from two regions in the southwestern of caspian sea (guilan province, iran) from march 2009 to may 2011. af...