Konrad Dąbrowski
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View article: Response to salinity challenge in hybrid blood parrot cichlids (Vieja melanura × Amphilophus citrinellus)
Response to salinity challenge in hybrid blood parrot cichlids (Vieja melanura × Amphilophus citrinellus) Open
Fishes have repeatedly been introduced into non-native environments around the world, and many of those introductions have come from the pet trade. One of the most important factors that determines the fundamental niche of an introduced fi…
View article: Inherited anoxia tolerance and growth performance can result in enhanced invasiveness in hybrid fish
Inherited anoxia tolerance and growth performance can result in enhanced invasiveness in hybrid fish Open
Northern hemisphere freshwater ecosystems are projected to experience significant warming and shortening of winter duration in this century. This change coupled with depletion of oxygen (hypoxia) will result in a shift toward fish species …
View article: Evaluation on the use of free amino acids in diets for red tilapia fries
Evaluation on the use of free amino acids in diets for red tilapia fries Open
An experimental investigation was conducted to address the question of the optimum proportion of protein, free amino acid mixture and test how red tilapia fries will respond to casein-gelatin based diets with partial and/or total replaceme…
View article: Effects of Vitamin C and E Supplementation on Growth, Fatty Acid Composition, Innate Immunity, and Antioxidant Capacity of Rainbow Trout (Oncorhynchus mykiss) Fed Oxidized Fish Oil
Effects of Vitamin C and E Supplementation on Growth, Fatty Acid Composition, Innate Immunity, and Antioxidant Capacity of Rainbow Trout (Oncorhynchus mykiss) Fed Oxidized Fish Oil Open
This 10-week feeding experiment examined the effects of supplementing vitamin C (VC) and E (VE) in oxidized oil diets on growth, fatty acid composition, blood physiological indicators, innate immunity, antioxidant capacity, and liver and i…
View article: Effects of Dietary Protein and Lipid Levels on Growth, Body Composition, Blood Biochemistry, Antioxidant Capacity and Ammonia Excretion of European Grayling (Thymallus thymallus)
Effects of Dietary Protein and Lipid Levels on Growth, Body Composition, Blood Biochemistry, Antioxidant Capacity and Ammonia Excretion of European Grayling (Thymallus thymallus) Open
This study evaluated growth, body composition, antioxidant capacity, innate immunity and ammonia excretion of European grayling ( Thymallus thymallus ) fed diets containing different protein and lipid contents. Six diets were produced to c…
View article: Effects of Dietary Protein and Lipid Levels on Growth, Body Composition, Blood Biochemistry, Antioxidant Capacity and Ammonia Excretion of European Grayling (Thymallus Thymallus)
Effects of Dietary Protein and Lipid Levels on Growth, Body Composition, Blood Biochemistry, Antioxidant Capacity and Ammonia Excretion of European Grayling (Thymallus Thymallus) Open
Background: This study evaluated growth, body composition, blood biochemistry, antioxidant capacity, innate immunity and ammonia excretion of European grayling (Thymallus thymallus) fed diets containing different protein and lipid contents…
View article: Bacterial Diversity Analysis and Evaluation Proteins Hydrolysis during the Acid Whey and Fish Waste Fermentation
Bacterial Diversity Analysis and Evaluation Proteins Hydrolysis during the Acid Whey and Fish Waste Fermentation Open
The disposal of acid whey (Aw), a by-product from fermented products, is a problem for the dairy industry. The fishery industry faces a similar dilemma, disposing of nearly 50% of fish processed for human consumption. Economically feasible…
View article: Transcriptomic response to soybean meal-based diets as the first formulated feed in juvenile yellow perch (Perca flavescens)
Transcriptomic response to soybean meal-based diets as the first formulated feed in juvenile yellow perch (Perca flavescens) Open
With increasing levels of fish meal (FM) protein in aquafeeds being replaced with soybean meal (SBM) protein, understanding the molecular mechanisms involved in response to alternative diets has become a critical concern. Thus, the goal of…
View article: Contested Paradigm in Raising Zebrafish (<i>Danio rerio</i>)
Contested Paradigm in Raising Zebrafish (<i>Danio rerio</i>) Open
The current body of work on rearing larval/juvenile zebrafish is based on (1) utilization of freshwater and (2) diurnal light/dark cycle, (3) provision of live feed at modest density, and (4) culture in high visibility environment. We chal…
View article: The importance of controlling genetic variation – remarks on ‘Appropriate rearing density in domesticated zebrafish to avoid masculinization: links with the stress response’
The importance of controlling genetic variation – remarks on ‘Appropriate rearing density in domesticated zebrafish to avoid masculinization: links with the stress response’ Open
Ribas et al. (2017) claim that the sex of zebrafish Danio rerio is influenced by stocking density. The authors describe a series of experiments in which four breeding pairs were reproduced, and the resulting larvae were stocked at four dif…
View article: Identification and partial characterization of a sex specific protein in Koi carp (<i>Cyprinus carpio haematopterus</i>)
Identification and partial characterization of a sex specific protein in Koi carp (<i>Cyprinus carpio haematopterus</i>) Open
Gender identification of fish species is carried out mainly by examining external morphological characteristics, which in general, it is very complex and not always a reliable approach. Electrophoresis of plasma proteins can be used as an …
View article: Zebrafish embryonic development is induced by carp sperm
Zebrafish embryonic development is induced by carp sperm Open
Haploid gynogenetic screens increase the efficiency of forward genetic screens and linkage analysis in fish. Typically, UV-irradiated zebrafish sperm is used to activate zebrafish oocytes for haploid screens. We describe the use of UV-irra…
View article: Experimental and field evaluation of otolith strontium as a marker to discriminate between river-spawning populations of walleye in Lake Erie
Experimental and field evaluation of otolith strontium as a marker to discriminate between river-spawning populations of walleye in Lake Erie Open
Otolith microchemistry is a commonly used tool for stock discrimination in fisheries management. Two key questions remain with respect to its effectiveness in discriminating among river-spawning populations. First, do larvae remain in thei…
View article: Indispensable amino acid deprivation does not cause rapid amino acid depletion in fish body and this principle has a potential to be used as the new strategy in nutrition
Indispensable amino acid deprivation does not cause rapid amino acid depletion in fish body and this principle has a potential to be used as the new strategy in nutrition Open
Degradation of body proteins occurs not only during fasting but it is a continuous process of renewal of proteins, including those degraded proteosomally immediately after synthesis which apparently accounts for 30% of all newly formed (18…
View article: The Effect of Hypoxia and Hyperoxia on Growth and Expression of Hypoxia‐Related Genes and Proteins in Spotted Gar <i>Lepisosteus oculatus</i> Larvae and Juveniles
The Effect of Hypoxia and Hyperoxia on Growth and Expression of Hypoxia‐Related Genes and Proteins in Spotted Gar <i>Lepisosteus oculatus</i> Larvae and Juveniles Open
We studied the molecular responses to different water oxygen levels in gills and swim bladder of spotted gar ( Lepisosteus oculatus ), a bimodal breather. Fish at swim‐up stage were exposed for 71 days to normoxic, hypoxic, and hyperoxic w…
View article: Data from Zebrafish embryonic development is induced by carp sperm
Data from Zebrafish embryonic development is induced by carp sperm Open
Data collected during the experiments described
View article: Supplementary material from “Zebrafish embryonic development is induced by carp sperm”
Supplementary material from “Zebrafish embryonic development is induced by carp sperm” Open
Haploid gynogenetic screens increase the efficiency of forward genetic screens and linkage analysis in fish. Typically, UV-irradiated zebrafish sperm is used to activate zebrafish oocytes for haploid screens. We describe the use of UV-irra…