MINÁŘOVÁ, Hana, Lucie BLÁHOVÁ, Jiří KALINA, Ivana PAPEŽÍKOVÁ, Jan MAREŠ, Radovan KOPP, Libor VOJTEK, Pavel HYRŠL, Stanislava RESCHOVÁ and Miroslava PALÍKOVÁ. Plant-based and immunostimulant-enhanced diets modulate oxidative stress, immune and haematological indices in rainbow trout (Oncorhynchus mykiss). Acta veterinaria (Brno). Brno: University of Veterinary and Pharmaceutical Sciences Brno, 2021, vol. 90, No 2, p. 233-254. ISSN 0001-7213. Available from: https://dx.doi.org/10.2754/avb202190020233.
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Basic information
Original name Plant-based and immunostimulant-enhanced diets modulate oxidative stress, immune and haematological indices in rainbow trout (Oncorhynchus mykiss)
Authors MINÁŘOVÁ, Hana, Lucie BLÁHOVÁ (203 Czech Republic, guarantor, belonging to the institution), Jiří KALINA (203 Czech Republic, belonging to the institution), Ivana PAPEŽÍKOVÁ, Jan MAREŠ, Radovan KOPP, Libor VOJTEK (203 Czech Republic, belonging to the institution), Pavel HYRŠL (203 Czech Republic, belonging to the institution), Stanislava RESCHOVÁ and Miroslava PALÍKOVÁ.
Edition Acta veterinaria (Brno), Brno, University of Veterinary and Pharmaceutical Sciences Brno, 2021, 0001-7213.
Other information
Original language English
Type of outcome Article in a journal
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/00216224:14310/21:00121964
Organization Přírodovědecká fakulta – Repository – Repository
Doi http://dx.doi.org/10.2754/avb202190020233
UT WoS 000740749900015
Keywords in English aeromonas salmonicida; glucan; glutathione; respiratory burst; TBARS
Links EF17_043/0009632, research and development project. LM2018121, research and development project.
Changed by Changed by: RNDr. Daniel Jakubík, učo 139797. Changed: 21/2/2023 04:43.
Abstract
The aim of this study was to investigate the effects of three commercial diets, standard, immunostimulant-supplemented (β-glucan, vitamins C and E) and plant-based, on the degree of oxidative stress in tissues of rainbow trout (Oncorhynchus mykiss). Selected immune and haematological indices were measured and challenge with Aeromonas salmonicida was conducted. The plant-based diet systemically modulated all oxidative stress biomarkers (thiobarbituric acid reactive substances; reduced and oxidised glutathione and their ratio) in the intestine. The ratio was elevated in all organs (liver, kidney, muscle and intestine) and an enhancement of respiratory burst and complement activity was observed even in the control fish. With the standard diet, an elevation of thiobarbituric acid reactive substances in the intestine and a decrease in some immune indices appeared after challenge. Less distinctive changes and the lowest mortality rate (the highest being with the plant-based feed) were obtained with immunostimulants. Increased total immunoglobulin, relative lymphocytosis and a decrease in the phagocyte count were observed. This study contributes especially by a thorough examination of oxidative stress indices in different tissues. The exact composition of these commercial diets is a trade secret; however, knowledge of their effects is extremely important for fish farmers using them; therefore, this study has a great practical impact.
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