نتایج جستجو برای: appearance) of rainbow trout roe using plant extracts
تعداد نتایج: 21474005 فیلتر نتایج به سال:
fish roe contains high level of protein and unsaturated fatty acids, but the roe are susceptible to spoilage and its sensorial and qualitative characteristics decrease during storage. salt and antioxidant used in the production of roe to prevent or retard spoilage. this study examined the sensory factors (color, smell, taste, appearance) of rainbow trout roe using plant extracts, such as garlic...
Cobalamin uptake and transport in mammals are mediated by three cobalamin-binding proteins: haptocorrin, intrinsic factor, and transcobalamin. The nature of cobalamin-binding proteins in lower vertebrates remains to be elucidated. The aim of this study was to characterize the cobalamin-binding proteins of the rainbow trout (Oncorhynchus mykiss) and to compare their properties with those of the ...
eight medicinal plants were assessed for antimicrobial activity against lactococcus garvieae isolate obtained from diseased oncorhynchus mykiss collected from rainbow trout fish farms in iran. lactococcus garvieae is among the major pathogens of a large number of fish species cultured in fresh and marine recirculating and net pen production systems. the antibacterial activity of the medicinal p...
Expression of the Mx protein of rainbow trout was analyzed after induction by poly I:C dsRNA and infectious hematopoietic necrosis virus (IHNV). Poly I:C dsRNA-treated rainbow trout gonad (RTG-2) cells expressed Mx protein that was detectable by immunoblot analysis at 24 h post induction. Increased expression was observed at 48 h and then declined by 72 h post induction. In contrast, IHNV was n...
The aims of the study were to determine total mercury concentrations in "rainbow trout Oncorhynchus mykiss (Walbaum)" at their embryo-larval and juvenile stages and to assess mercury concentration dynamics in individual tissues. Samples of rainbow trout were collected at two-month intervals over a period of 18 months (one stock production cycle) at the Velká Losenice trout farm. Feedstuff sampl...
the aim of this study was to compare the effects of olive leaf extracts and synthetic antioxidant bht at concentration of 1% at increase the shelf life of rainbow trout fillets in light salted and packed at 4±1 °c that index of peroxide (pv), free fatty acids (ffa), thiobarbituric acid (tba), humidity, ph and sensory evaluation of fillets of rainbow trout kept in the refrigerator at the time of...
in this study, the extract of sea cucumber species, holothuria leucospilota was extracted and its effect studied on the chemical quality rainbow trout fillets packed in vacuum. sea cucumber was extracted using methanol and various concentrations (0, 5/0, 1 and 2%) were prepared. salmon fillets after soaking in the extracts were vacuum packed, chemical tests every 4 days included total volatile ...
the study investigates the possibility of sex determination of rainbow trout (oncorhynchus mykiss)using molecular screen for products monosex of populations. 35 caudal fin tissue samples wereobtained from karaj rainbow trout mature population and then genomic dna was extracted andmarker loci amplified. polymerase chain reaction (pcr) was setup based on two omyfa andomyfatu markers for amplifica...
the objective of this study was to compare growth performance and feed conversion ratios of rainbow trout (oncorhynchus mykiss) and brook trout (salvelinus fontinalis) juveniles in monoculture and duo-culture in freshwater and seawater under aquarium conditions. the fish were about 2-months old hatchery-reared brook and rainbow trout with initial weights of 0.934±0.033 (n=360) and 1.014±0.019 (...
objective: serological diagnosis of infectious haematopoietic necrosis virus (ihnv) in tissues of kidney, spleen and liver of rainbow trofi(o.mykiss)fry. design: cross- sectional study. animals:ninty nine samples consisting of smears from kidney, spleen and liver were obtained from rainbow trout. procedure: kidney, spleen and liver from rainbow trout (o.mykiss) fry less than 3 g body weight obt...
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