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The effect of dietary inclusion of amaranth meal on hematology and blood biochemistry, of rainbow trout Oncorhynchus mykiss was examined. The fish (mean length 35.2 ± 0.6 cm; mean weight 524.8 ± 28.5 g) were divided into three groups: a reference group (RF) fed commercial trout pellet and two experimental groups (EF5 and EF10) fed feeds containing 5.0% and 10.0% of amaranth meal respectively. Determined...
The aim of the this study was the to assessment of use the amaranth meal in feed for rainbow trout Oncorhynchus mykiss. Two experimental feeds contained 5.0% and 10.0% of amaranth meal were prepared and compared to reference diet (commercial feed) containing similar amountsof specific nutrients. Initial body wet weight of experimental trout was 524.8±28.5 g and mean lengthof 35.2±0.6 cm. Feed was...
Background: Several studies have shown increased serum levels of proinflammatory cytokines (IL-1α, IL-6 and TNF-α) in patients with cholelithiasis. The local expression of the proteins involved in pathogenesis of the disease is poorly recognised. Materials and methods: The authors examined immunohistochemically (IHC) the expression status of IL-1α, IL-6, and TNF-α in gallbladder mucosa of the patients...
A rearing experiment was focused on the effect of the type and diet composition on the European grayling (Thymallus thymallus L.) eggs quality, expressed by the embryos survival to the eyed-egg stage. Three feeding variants were analyzed. Spawners from group I were fed exclusively trout feed, group II received trout feed with maggots and fish in group III foraged on natural feed. A statistically significantly...
The chromosomal characteristics, locations and variations of the C-band positive heterochromatin and telomeric DNA sequences were studied in the European grayling karyotype (Thymallus thymallus, Salmonidae) using conventional C-banding, endonucleases digestion banding, silver nitrate (AgNO3), chromomycin A3 and 4′,6-diamidino-2-phenylindole staining techniques as well as fluorescence in situ hybridization...
The aim of this study was to test the possibilities of rearing European grayling (Thymallus thymallus L.) under controlled conditions to the autumn fingerlings stage. Experimental fish originated from the farmed broodstock. Juvenile graylings were reared in plastic tanks with a bottom area of 1 m² and a depth of 0.5 m. Dan-Pel 1656 (Dana Feed) feed was used in the experiment. The mean body weight...
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