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Dissertations / Theses on the topic 'Lucioperca'

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Published: 4 June 2021
Last updated: 28 July 2025

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1

Schäfer, Fabian. "Reproductive management and gamete quality in pikeperch (Sander lucioperca)." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17636.

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Der Zander (Sander lucioperca) hat großes Potential für die Aquakultur in Europa. Die Verbreitung wird durch einen Mangel an Satzmaterial erschwert, welcher durch Variabilität der Gametenqualität verursacht wird. Im Gegensatz zu Effekten der ganzjährigen Reproduktion oder der Laicherfahrung, war besonders die Weibchengröße mit Variabilität der Eiqualität assoziiert. Sehr große Weibchen zeigten einen verringerten Reproduktionserfolg. Maternale Faktoren waren mit Aspekten der Eizusammensetzung (bes. Fettsäuren) verknüpft, welche wiederum mit Befruchtungsraten und Embryoüberleben korrelierten. Zu
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2

Gerdeaux, Daniel. "Ecologie du Gardon, Rutilus rutilus L., et du Sandre, Lucioperca lucioperca L., dans le lac de Créteil de 1977 à 1982 étude de la ligulose du Gardon." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375978259.

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3

Steinberg, Kathrin [Verfasser]. "Accumulating substances and their effects on pikeperch (Sander lucioperca) in recirculating aquaculture systems / Kathrin Steinberg." Kiel : Universitätsbibliothek Kiel, 2018. http://d-nb.info/1169132588/34.

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4

Schäfer, Fabian [Verfasser], Werner [Gutachter] Kloas, and Klaus [Gutachter] Knopf. "Reproductive management and gamete quality in pikeperch (Sander lucioperca) / Fabian Schäfer ; Gutachter: Werner Kloas, Klaus Knopf." Berlin : Lebenswissenschaftliche Fakultät, 2016. http://d-nb.info/111986156X/34.

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5

Smith, Phillip Alexander. "Impact and management of zander (Stizostedion lucioperca (L.)), a piscivorous fish introduced to British coarse fisheries." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243884.

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6

Kell, L. T. "The impact of an alien piscivore the zander (Stizostedion lucioperca (L.)) on a freshwater fish community." Thesis, University of Liverpool, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370857.

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7

Şenol, Nurgül Eren Ülker Çınar Kenan. "Sazan (Cyprinus carpio) ve sudak (Stizostedion lucioperca) balıklarında gastrointestinal kanalın histokimyasal yapısı ve bazı peptidlerin lokalizasyonu /." Isparta : SDÜ Fen Bilimleri Enstitüsü, 2009. http://tez.sdu.edu.tr/Tezler/TF01289.pdf.

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8

Poulet, Nicolas. "Le sandre (Sander lucioperca (L. )) : biologie, comportement et dynamique des populations en Camargue (Bouches du Rhône, France)." Phd thesis, Université Paul Sabatier - Toulouse III, 2004. http://tel.archives-ouvertes.fr/tel-00008942.

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Le sandre est un percidé largement répandu en Europe. Le fonctionnement de ses populations méridionales est cependant mal connu. L'objectif de ce travail est d'apporter des connaissances nouvelles sur l'écologie du sandre par l'étude de la population d'un réseau de canaux en Camargue (sud de la France). Différentes techniques ont été mises en œuvre pour étudier l'isolement de la population (génétique, morphométrie), l'utilisation de l'habitat (télémétrie), la biologie (traits de vie) et la dynamique dans le système. Le fonctionnement de cette population dépend plus de facteurs biotiques qu'abi
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9

Colchen, Tatiana. "Étude multi-traits du cannibalisme intra-cohorte chez les premiers stades de vie du sandre (Sander lucioperca)." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0181/document.

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Le cannibalisme intra-cohorte est l’acte de tuer et consommer tout ou partie d’un individu conspécifique du même âge. Longtemps considéré comme un artefact d’élevage, le cannibalisme est maintenant admis comme un phénomène naturel pouvant être soumis à des mécanismes de sélection. Chez les Téléostéens, il est majoritairement référencé au niveau des premiers stades de vie. En condition d’élevage, plusieurs facteurs biotiques et abiotiques ont été testés sans réussir à totalement l’éliminer chez de nombreuses espèces. Dans ce contexte, cette thèse a pour objectifs de mieux comprendre la mise en
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10

Sipos, Gyopár. "Einfluss des Ausnehmens auf die sensorische und hygienische Beschaffenheit von eisgelagerten Zandern (Sander lucioperca) und Regenbogenforellen (Oncorhynchus mykiss)." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968491421.

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11

Sipos, Gyopar. "Einfluss des Ausnehmens auf die sensorische und hygienische Beschaffenheit von eisgelagerten Zandern (Sander lucioperca) und Regenbogenforellen (Oncorhynchus mykiss)." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2003. http://dx.doi.org/10.18452/14883.

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Die Bedingungen für die Vermarktung von Fischereierzeugnissen sind streng geregelt. Die Deutsche Fisch-Hygiene-Verordnung (VO) schreibt in den §§ 4 (1) und 6 vor, dass alle Fische unverzüglich nach dem Fang und der Tötung ausgenommen werden müssen. In diesem Punkt ist die deutsche VO strenger als das europäische Gemeinschaftsrecht (RL 91/493/EWG). Sowohl durch die in einzelnen Bundesländern unterschiedliche Auslegung des Begriffes "unverzüglich" als auch durch die in anderen EU-Ländern erlassenen Vorschriften ergibt sich eine gewisse Rechtsunsicherheit bei der Vermarktung von Ganzfischen. Im G
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12

Tielmann, Moritz [Verfasser]. "The effect of out-of-season production and light regime manipulation for intensive pike-perch (Sander lucioperca) larvae culture / Moritz Tielmann." Kiel : Universitätsbibliothek Kiel, 2018. http://d-nb.info/1162892749/34.

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13

Roche, Jennifer. "Implication des récepteurs de la dopamine dans la régulation de l’axe gonadotrope lors de la période pré-ovulatoire chez le sandre, Sander lucioperca." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0234.

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Dans le cadre de la production de nouvelles espèces aquacoles, le sandre, Sander lucioperca, est devenu, depuis plusieurs années, une espèce d’intérêt piscicole en raison de sa valeur économique potentielle. Pour développer et pérenniser sa production aquacole, il est nécessaire de comprendre et maîtriser son cycle de reproduction ainsi que les mécanismes physiologiques mis en jeu afin d’obtenir des œufs et des juvéniles viables tout au long de l’année. Dans cet optique d’optimisation du contrôle du cycle, la dopamine apparaît, chez de nombreux téléostéens dont certains perciformes, comme un i
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14

Roche, Jennifer. "Implication des récepteurs de la dopamine dans la régulation de l’axe gonadotrope lors de la période pré-ovulatoire chez le sandre, Sander lucioperca." Electronic Thesis or Diss., Université de Lorraine, 2018. http://www.theses.fr/2018LORR0234.

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Dans le cadre de la production de nouvelles espèces aquacoles, le sandre, Sander lucioperca, est devenu, depuis plusieurs années, une espèce d’intérêt piscicole en raison de sa valeur économique potentielle. Pour développer et pérenniser sa production aquacole, il est nécessaire de comprendre et maîtriser son cycle de reproduction ainsi que les mécanismes physiologiques mis en jeu afin d’obtenir des œufs et des juvéniles viables tout au long de l’année. Dans cet optique d’optimisation du contrôle du cycle, la dopamine apparaît, chez de nombreux téléostéens dont certains perciformes, comme un i
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15

Mani-Ponset, Laurence. "Evolution des mécanismes nutritionnels au cours du développement postembryonnaire chez deux poissons téléostéens d'intérêt aquacole : le loup, "Dicentrarchus labrax" et le sandre, "Stizostedion lucioperca"." Montpellier 2, 1995. http://www.theses.fr/1995MON20192.

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L'etude comparee de l'evolution des mecanismes nutritionnels au cours des premiers jours de vie libre, chez des larves de loup et de sandre nourries de zooplancton ou a jeun, nous a conduit a nous pencher successivement sur la resorption de la vesicule vitelline, sur l'organogenese de l'intestin, du foie, du pancreas et du muscle squelettique ainsi que sur les metabolismes glucidique et lipidique durant les differentes periodes du developpement postembryonnaire. L'addition de glucose et d'insuline a l'eau d'elevage nous a permis de demontrer que ces molecules pouvaient etre absorbees et assimi
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16

Holliland, Per B. "Trophic interactions and behaviour : Studies relevant to a Baltic Sea biomanipulation." Doctoral thesis, Stockholms universitet, Systemekologiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-79075.

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The main theme of this thesis is the interactions of animals with the environment and each other. The thesis was written within the framework of a biomanipulation project “Pikeperch in Himmerfjärden”. With the aim to investigate possible trophic pit-falls, give the manipulation the best possible start, and find ways to monitor the progression of the manipulation. In Paper I the diet of the invader cladoceran Cercopagis pengoi is analysed with stable isotopes; conducted prior to stocking. C.pengoi has a preference for large copepods, indicating possible competition with fish. Paper II investiga
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17

Ahlbeck, Ida. "Living in a predation matrix : Studies on fish and their prey in a Baltic Sea coastal area." Doctoral thesis, Stockholms universitet, Systemekologiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-75238.

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This thesis was written within the framework of a biomanipulation project where young-of-the-year (YOY) pikeperch (Sander lucioperca) were stocked to a Baltic Sea bay to improve water quality through a top-down trophic cascade. The aim of my doctorial studies was however focused on a broader ecological question, namely predation (the main driving force in a biomanipulation). Hence, this thesis consists of four papers where we study the interactions between predator and prey using fish and zooplankton and how these interactions can be measured. In paper I we evaluated the performance of differe
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18

SVĚTNIČKA, Michal. "Intenzivní odkrm plůdku candáta obecného (Stizostedion lucioperca)." Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-45834.

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Tato studie je zaměřena na možnosti využití candáta obecného (Stizostedion lucioperca) pro intenzivní chov ryb v umělých podmínkách. Největším úskalím v počáteční fázi odchovu je bezesporu naplňování plynového měchýře, proto byl k pokusu použit rozkrmený plůdek z přirozeného rybničního chovu rybářství Hluboká. Důležitým bodem intenzivního odchovu je přechod candáta z přirozené potravy na uměle sestavenou krmnou dietu. Byly provedeny dva laboratorní experimenty s převodem rychleného plůdku při využití kombinované stravy (suchá dieta se živou složkou) a vlhčené stravy, při nichž se sledovalo pro
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19

RŮŽEK, Martin. "Indukce triploidie u candáta obecného (Sander lucioperca)." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-375949.

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The aim of this study was to induce the triploidy in pikeperch (Sander lucioperca) with use of a cold shock. To induce the triploidy, fertilised egg were (spawning temperature 14,5 °C) submerged in a cold bath at the temperature of 2 °C. Time of initiation was 1; 3; 5; 7 and 10 minutes post activation. The exposure time was 20 and 40 minutes. Ploidy level of freshly hatched larvae was assessed with use of the flow cytometry. In both exposure times, the hatching rate was getting lower with later time of initiation (20 minutes exposure, hatching rate: 58,4-13,4 %; 40 minutes exposure, hatching r
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20

KŘIŠŤAN, Jiří. "Umělý a poloumělý výtěr candáta obecného (Stizostedion lucioperca)." Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-44836.

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The study summarizes methods of artificiale and semiartificiale reproduction of pikeperch. The aim of the present study is to study ovulation rate by injection of different hormones: carp pituitary, analogs of GnRH Supergestran, Ovopel (containing dopamine inhibitor), Dagin (containing too dopamine inhibitor) in zander (Sander lucioperca) and determination of stripped eggs to broodstock weight, relative and absolute fertility and period of latency. On the basis of results, zander can be considered to be usefull species for semiartificiale and artificiale propagation.
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21

MORAVA, Jakub. "Optimalizace intenzivního chovu larev candáta obecného (Sander lucioperca L.)." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-375934.

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The aim of this master thesis was test, comapre and observe the best density of rotifers (Brachionus plicatilis) for growth and survival of zander (Sander lucioperca) larvae stage in the recirculation aquatic systém (RAS). The secondary experiment tests initial feeding of zander by dint of rotifers and consequently by mix of rotifers and artemia. Main experiment observe effect of different density of rotifers on survive and growth of zander. Other observe parameters such as Fulton´s coeficient, total lenght of fish, weight of fish, etc. Fish was divided into 4 groups with different density of
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22

Baránek, Vít. "Možnosti intenzivního odchovu plůdku a násadového materiálu candáta obecného (Sander lucioperca)." Doctoral thesis, 2008. http://www.nusl.cz/ntk/nusl-93609.

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Zehnálek, Jakub. "Produkce násadového materiálu candáta obecného (Sander lucioperca) v kontrolovaných podmínkách." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-90664.

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24

BLECHA, Miroslav. "Inovativní metody v chovu a reprodukci candáta obecného (Sander lucioperca)." Doctoral thesis, 2016. http://www.nusl.cz/ntk/nusl-260864.

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The whole Ph.D. thesis includes in total 10 chapters on 146 pages. Chapter 2 9 are specific parts of thesis where following scientific and practical aspects of pikeperch reproduction biology and aquaculture are described. Quality and quantity of pikeperch spermatozoa after varying cold water treatments are presented in the chapter 2 and can help to optimize broodstock management of males with the aim to obtain high quality spermatozoa during a seasonal and an out of season spawning as well. Benefits of hormone treatment of both sexes in semi-artificial reproduction in pikeperch are described i
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25

PITHARDT, Tomáš. "Preventivní a léčebné koupele u plůdku candáta obecného (Sander lucioperca)." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-320541.

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The aim of this thesis was to test and compare the effect of four selected and in present commonly used medical treatments on other species of fish in recirculating aquaculture system (RAS). This presented work was divided into two separate experiments dealing with curative baths for fry of pikeperch.The fry was raised in ponds, feeded by natural food, with the intention of adaptating for RAS after a bath. Baths were targeted against parasitic and bacterial diseases by using Bellasav, SAVO Original, formaldehyde and Chloramine T. The curative baths took 30 minutes after which the fish were tra
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26

CHÁBERA, Jan. "STUDIUM ZÁKLADNÍCH MECHANISMŮ PERITONEÁLNÍHO ZÁNĚTU U CANDÁTA OBECNÉHO (Sander lucioperca)." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-396009.

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Pike-perch (Sander lucioperca) is a species of fish whose breeding in recirculation systems has a great prospect in the years to come. Due to the unfavorable conditions of intensive rearing of these fish in recirculation systems, they are often exposed to stress resulting in reduced fish defenses. Thus, fish are exposed to attack of a wide range of bacteria. Although there are preventive measures to protect fish against pathogen attack, knowledge of the immune system and the immune response of the fish is crucial for further evolution of vaccination. Even though we know the mechanisms of immun
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27

Tůma, Jiří. "Odchov násadového materiálu candáta obecného (Sander lucioperca) v kontrolovaných podmínkách s použitím oteplené vody." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-90605.

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28

GÜNGÖR, Ege. "Isolation of early stages of germ cells in pikeperch (\kur{Sander lucioperca})." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-188876.

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A practical technique for enzymatic dissociation and isolation of pikeperch (Sander lucioperca) (Percidae, Teleostei) early stage germ cells (eGC), including spermatogonia and spermatocytes, is reported in this study. Their potential to differentiate into functional gametes, and transmit genetic information to the next generations makes them suitable for cryopreservation and surrogate reproduction studies by germline chimera. Two different age groups (14 month old and 18 month old) of pikeperch were used to adjust the correct stage of eGC isolation. Finally the 18 month old samples were select
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URBÁNEK, Marek. "Potrava plůdku candáta obecného (Sander lucioperca) v rybnících s různým způsobem managementu." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-320525.

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The aim of this study was a comphensive assessment of the food of pikeperch fry in the monoculture rearing from the stage of summer fry to the stage of autumn fry in ponds with three different types of management and assessment of the influence of individual treatments for pikeperch production. The experiment was performed in small ponds in experimental facility of FFPW in Vodňany. The variants of pond treatment were: a) ponds with additional prey fish (fry of common carp (C. carpio) and grass carp (C. idella)), b) ponds with installed substrate from heather, c) control variant without any sup
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GÜRALP, Hilal. "Embryonální vývoj a transplantace primordiálních zárodečných buněk u candáta obecného Sander lucioperca." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-364447.

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It is the purpose of this thesis to implement primordial germ cell (PGC) transplantation, one of the new biotechnological reproductive methods, and for this to explain the details that we have to know about embryo development and PGC migration in pikeperch. We provide several specific useful methods such as GFP labelling and blastodisc surgery which are required for efficiency assessment of the transplantation technique. The main results of the publications in the thesis could be informative and useful for generation of germline chimera by using pikeperch. We described pikeperch embryo develop
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Kadlec, Lukáš. "Využití střevličky východní (Pseudorasbora parva) při produkci násadového materiálu candáta obecného (Sander lucioperca)." Master's thesis, 2016. http://www.nusl.cz/ntk/nusl-362830.

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The subject of the Diploma Thesis was to summarize all the data published either from scientific papers or collected during the experiments, relating to the possibility of using topmouth gudgeon as fish food. The main part is composed of the results and conclusions obtained from the experiments conducted in the model recirculation system, under controlled conditions. The experiments were focused on the feed preferences of the pikeperch (Sander lucioperca), for the given size category of the topmouth gudgeon (Pseudorasbora parva), stimulation of the food intake of the pikeperch in the condition
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MAREK, Miloš. "Možnosti intenzivního chovu candáta obecného (Sander lucioperca) a okouna říčního (Perca fluviatilis) v duokultuře." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-137482.

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The aim of this thesis is to assess the growth rate (and suitability) of different, (in terms of percentual representation) duoculture stocking of Euroasian perch and pikeperch, when they are breeding in the experimental conditions of intensive aquaculture. It is expected to test at least 3 different duoculture stocking and 2 single (control) stocking (100% representation of pikeperch and Euroasian perch). Culture will take place in special experimental tanks which allow quantification of uneaten feed to counting the daily feed intake. Following the own testing of growth rate (including variab
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Janoštík, Jiří. "Převod rychleného plůdku candáta obecného (Sander lucioperca) z rybničního prostředí do podmínek intenzivního chovu." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-166600.

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34

JABLONICKÁ, Dagmara. "Vyhodnocení intenzivního chovu candáta obecného (Sander lucioperca) v provozních podmínkách včetně posouzení kvality finálního produktu." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-137481.

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The aim of this study was to evaluate the sensory, chemical (fatty acid profile, N-substances, lipid, ash) and technological (texture of meat) parameters of meat of pikeperch reared in intensive culture and compared with the fish from the pond (extensive) culture.
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MALINOVSKYI, Oleksandr. "Management generačních ryb candáta obecného (Sander lucioperca) a jeho vliv na produkci jiker a larev." Doctoral thesis, 2019. http://www.nusl.cz/ntk/nusl-403677.

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This thesis provides an improve to existing reproduction technics through investigation of ecology and physiology features of pikeperch broodstock: (I) Spawning behavior and selectivity to different types of spawning substrates as an important part of the biology of pikeperch species. The main output of the study was revealing of strong selectivity to the spawning site with neither water temperature nor availability of spawning places haven't affected substrate preference of pikeperch broodstock. (II) Spawning in captivity is leads to decrease in physiological status of the pikeperch broodstoc
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MATOUŠEK, Jan. "Vliv různého nasycení vody kyslíkem na příjem krmiva a růst candáta obecného (Sander lucioperca) v intenzivním chovu." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-137483.

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This diploma thesis is focused on culture of pikeperch under controlled conditions and tested the optimal environmental conditions for their good growth and survival. The aim of this work was to test the effect of different oxygen saturation on survival, growth, feed intake, feed conversion rate and condition of pikeperch Pikeperch (mean body weight 10.3 g; n=810) habituated to artificial feed were placed in culture tank of the same volume of water and environmental conditions. Fish were fed ad-libitum. Three different oxygen saturations were tested in triplicate: normoxia with saturation of 8
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HANZLÍK, Petr. "ADAPTACE A INTENZIVNÍ CHOV OKOUNKA PSTRUHOVÉHO (Micropterus salmoides) V POROVNÁNÍ S INTENZIVNÍM CHOVEM CANDÁTA OBECNÉHO (Sander lucioperca)." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-376551.

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The object of this thesis is to verify Largemouth bass (Micropterus salmoides) as an alternative species to Pikeperch (Sander lucioperca) for fish farming in RAS (Recirculating Aquaculture Systems). Largemouth bass with its good meat quality is comparable to Pikeperch and with its lower sensitivity to stress related to RAS conditions could expand the number of species used in intensive aquaculture. This experiment was split to two parts. In the first part was documented adaptation of Largemouth fingerlings to RAS conditions and artificial feed. After successful adaptation, the second par
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BLABOLIL, Petr. "Faktory ovlivňující přežívání bolena dravého (\kur{Aspius aspius}) a candáta obecného (\kur{Sander lucioperca}) v hluboké kaňonovité nádrži." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-111860.

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Changes in abundances of 0+, 1+ and 2+ age classes of the two most important piscivorous species - asp (Aspius aspius) and pikeperch (Sander lucioperca) in a deep canyon-shaped reservoir were investigated. A long-term fish sampling in the reservoir including fry trawling, fry and adult beach seining and gillneting was used to determine the factors affecting the recruitment. All data were used in a single linear model and the results obtained using different sampling methods were discussed.
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39

BLECHA, Miroslav. "Optimalizace umělého výtěru candáta obecného (Sander lucioperca) pomocí HCG a nové způsoby umělého odlepkování vytřených jiker před jejich inkubací." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-137499.

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The object of the thesis is to experimentally find the most suitable method of artificial spawning of pikeprech, using hormonal stimulation of ovulation in females hormonal medication containing HCG. After scraping of the broodstock and after artificial fertilization of eggs obtained experimentally test new methods of artificial stickiness removing of eggs and then evaluate the success of artificial incubation of stripped, fertilized and unstickeness eggs of pikeprech. Experiments that are part of the thesis have been divided into several sub-experiments. In the first experiment was observed e
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40

Sipos, Gyopár [Verfasser]. "Einfluss des Ausnehmens auf die sensorische und hygienische Beschaffenheit von eisgelagerten Zandern (Sander lucioperca) und Regenbogenforellen (Oncorhynchus mykiss) / von Gyopar Sipos." 2003. http://d-nb.info/968491421/34.

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41

Płecha, Magdalena. "Genetyczne podstawy restytucji populacji szczupaka, sandacza i zostery morskiej w Zatoce Puckiej." Doctoral thesis, 2016. https://depotuw.ceon.pl/handle/item/1716.

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Streszczenie Zatoka Pucka stanowi siedlisko dla wielu gatunków ryb słonawowodnych i migrujących, w tym gatunków o dużym znaczeniu gospodarczym. Począwszy od lat 70-tych XX wieku, warunki środowiskowe w Zatoce Puckiej ulegały stopniowemu pogarszaniu, co spowodowało zmiany w zespołach żyjących tam organizmów zwierzęcych i roślinnych. Szczupak (Esox lucius) i sandacz (Sander lucioperca), dominujące gatunki ryb drapieżnych, zostały zastąpione gatunkami należącymi do rzędu ciernikokształtnych (Gasterosteiformes) i babkowatych (Gobiidae), określanych mianem ryb „chwastów”. Populacja szczupaka uległa
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42

ŠKEŘÍK, Jindřich. "Citlivost adultních ryb různých druhů k anestetiku hřebíčkový olej." Master's thesis, 2007. http://www.nusl.cz/ntk/nusl-47184.

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Nomenclature: Sensitivity to anesthetic clove oil different species of adult fish Sensitivity of breeding fishes of various species (Siberian sturgeon, Brook trout, Black carp- young breeding fishes) for anesthetic clove oil was probed by the tests performed at temperature in the period of stripping (apart from Brook trout and Black carp). The tests were carried out with 17 fish species- with cyprinids (Ide- golden form, Common dace, European Chub, Sneep, Barbel, Grass carp, Black carp, bighead carp), salmonids (Brown trout, Rainbow trout, Brook trout), thymallinae (Grayling), pikes (Northern
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