نتایج جستجو برای: caspian brown trout
تعداد نتایج: 62692 فیلتر نتایج به سال:
Otsego Lake (Otsego County, NY), of glacial origin, forms the headwaters of the Susquehanna River. It is a deep (50.5 m max) dimictic waterbody of 4,167 acres having a catchment of 46,482 acres. The lake serves as the potable water supply of Cooperstown and it is noted for its cold water fishery, which includes native lake trout and whitefish as well as stocked brown trout and Atlantic salmon. ...
Populations of the marble trout (Salmo marmoratus) have declined critically due to introgression by brown trout (Salmo trutta) strains. In order to define strategies for long-term conservation, we examined the genetic structure of the 8 known pure populations using 15 microsatellite loci. The analyses reveal extraordinarily strong genetic differentiation among populations separated by < 15 km, ...
Cryopreservation of semen from the Caspian brown trout (Salmo trutta caspius) and effects of extender type, freezing and thawing rates on fertilization ability were studied. After assessment of semen quality, one part of semen was diluted with three parts of different extender and decanted into 0.5ml straws. Freezing was carried out at two freezing levels, 1.5cm and 2cm above surface of liquid ...
Rainbow trout (Oncorhynchus mykiss) and brown trout (Salmo trutta) represent two salmonid genera separated for 15--20 million years. cDNA sequences were determined for the classical MHC class I heavy chain gene UBA and the MHC class II beta-chain gene DAB from 15 rainbow and 10 brown trout. Both genes are highly polymorphic in both species and diploid in expression. The MHC class I alleles comp...
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