Studies on the mitochondrial genomics in salmo trutta caspius population in three rivers of caspian sea. Evaluation of semen quality of endangered caspian brown trout salmo trutta caspius in different times of spermiation during the spawning season. The brown trout salmo trutta is a european species of salmonid fish that has been widely introduced into suitable environments globally. Salmo trutta caspius kessler 1877, salmo trutta oxianus kessler 1874, salmo trutta aralensis berg 1908 and salmo trutta ezenami berg 1948. The caspian salmon, salmo trutta caspius kessler, is one of the nine subspecies of brown trout salmo trutta in the world and native to the caspian sea quillet, et al. Studies on the mitochondrial genomics in salmo trutta caspius. Salmo trutta has been introduced around the world for aquaculture and stocked for sport fisheries. The national project is funded by the caspeco project which is the third phase of the gef supported project in the caspian sea region titled the caspian sea. Pdf effects of triploidy on the caspian salmon salmo. An upper limit for the heritability was estimated 0. Request pdf comparative susceptibilities and immune reactions of wild and cultured populations of caspian trout salmo trutta caspius to. U ao ai sai s amala stuis o t itocorial omics i salmo trutta caspius opulatio i r irs o aspia sa isris ist ro oi 10. Salmo ciscaucasicus or the caspian salmon is a salmonid fish endemic to the caspian sea and inflowing rivers. Salmo trutta caspius czech academy of agricultural sciences.
Department of fishery science, faculty of agriculture, ataturk university, 25240, erzurum, turkey. Body is greyblue coloured with numerous spots, also below the lateral line rochard and elie, 1994. From the total of 60 mitotic metaphases achieved from 15 individuals, 15, 9 and 36 metaphases were with the mode salmo trutta caspius kessler 1877 are believed to be the largest of the european salmon, which includes the atlantic salmon salmo salar and brown trout s. Salmo trutta morpha fario, salmo trutta morpha lacustris, salmo trutta morpha trutta morphs. Caspian salmon salmo trutta caspius is an anadermus fish species and it is an important food source for the people of south caspian sea.
Morphometric indices of erythrocytes were determined on blood smears by light microscopy. Seasonal changes in antioxidant defence system of liver. Recently the populations of caspian sea trout are reduced in numbers due to human activities such as deforestation, drainage, and dam constructions. In order to study the effects of storage media and time of storage on the viability of unfertilized eggs of endangered caspian brown trout salmo trutta caspius. It includes purely freshwater populations, referred to as the riverine ecotype, salmo trutta morpha fario, a lacustrine ecotype, s. Growth and mortality of brown trout, salmo trutta fario in lar dam, iran. Karyological analysis of endangered caspian salmon, salmo. Salmo trutta has a fusiform body with a small pointed head, large mouth, extending mostly after the eye rochard and elie, 1994.
Comparative susceptibilities and immune reactions of wild and. Abstract the aim of this study was a comparison of key haematological features of diploid 2n and triploid 3n caspian salmon salmo trutta caspius. Restoring depleted fisheries and consolidation of a permanent regional environmental. Use of decapsulated artemia cysts for the growth and. Hence in this study mitochondrial dna genes in salmo trutta caspius were sequenced and deposited in. Individuals spend 1 to 5 years in fresh water and 6 months to 5 years in salt water ref. Meal on the growth performance, body composition, and digestive enzymes activity of caspian brown trout, salmo trutta caspius, juvenile. Tagging in salmo trutta caspius find, read and cite all the research you need on researchgate.
It was described in 1967 originally as a subspecies of salmo trutta. Salmo trutta caspius iranian journal of fisheries sciences. The aim of this study was a comparison of key haematological features of diploid 2n and triploid 3n caspian salmon salmo trutta caspius. Request pdf on nov 1, 2009, mohammad ali jalali and others published threatened fishes of the world. Salmo trutta caspius, salmo trutta trutta, salmo trutta abanticus, salmo trutta aralensis, salmo trutta ciscaucasicus, salmo trutta ezenami, salmo trutta major, salmo trutta mediterranea, salmo trutta pellegrini subspecies. Effects of triploidy on the caspian salmon salmo trutta. It is blamed for reducing native fish populations, especially other salmonids, through predation, displacement and food competition.
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