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Changes in the content and intensity of oxidation of lipid compounds in the kidneys of lambs fed diets with rapeseed and fish oils – effect of antioxidant supplementation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027014%3A_____%2F21%3AN0000113" target="_blank" >RIV/00027014:_____/21:N0000113 - isvavai.cz</a>

  • Result on the web

    <a href="http://jafs.com.pl" target="_blank" >http://jafs.com.pl</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.22358/jafs/140167/2021" target="_blank" >10.22358/jafs/140167/2021</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Changes in the content and intensity of oxidation of lipid compounds in the kidneys of lambs fed diets with rapeseed and fish oils – effect of antioxidant supplementation

  • Original language description

    The aim of this study was to investigate the effects of supplementation of diets containing rapeseed (R-O) and fish (F-O) oils with carnosic acid (C-A) and Se (as Se-enriched yeast (Se-Y) or selenate (Se-VI)) on concentrations of fatty acids (FAs), tocopherols, cholesterol and malondialdehyde (MDA) in lamb kidneys. Male Corriedale lambs with average body weight (23.3 ± 2.1 kg) and age (82–90 days) were individually penned, and divided into 4 groups, 6 animals each. After the 3-week preliminary period, the 35-day dietary experiment was conducted with the following experimental design: 1) control diet – basal diet (BD) with 2% R-O and 1% F-O; 2) CA diet – BD with 2% R-O, 1% F-O and 0.1% C-A; 3) CA-SeY diet – BD with 2% R-O, 1% F-O, 0.1% C-A and 0.35 mg Se (as Se-Y)/kg BD; and 4) CA-SeVI diet – BD with 2% R-O, 1% F-O, 0.1% C-A and 0.35 mg Se (as Se-VI)/kg BD. Feeding lambs with the CA-SeVI diet increased (P ≤ 0.05) the live weight, kidneys weight and feed conversion efficiency when compared to lambs fed CA and CA-SeY diets. The CA-SeY diet decreased (P ≤ 0.05) the concentration of the sum of FAs in the kidneys compared to the control and CA-SeVI diets. The experimental diets reduced (P ≤ 0.05) the level of n-3 polyunsaturated FAs (PUFAs), long-chain PUFAs (LPUFAs) and the hypocholesterolemic/ hypercholesterolemic FAs ratio compared to the control diet. The experimental diets enriched with Se-Y or Se-VI reduced (P ≤ 0.05) the concentration of MDA in the kidneys compared to the control and CA diets. The experimental diet containing only C-A stimulated (P ≤ 0.05) the oxidative degradation of PUFAs as compared to the control and other experimental diets. The modified atherogenic index was used to evaluate atherogenic properties in the kidneys. The obtained results help to understand the potential beneficial impact of C-A, Se-Y and Se-VI supplements in diets with F-O (rich in LPUFAs) on the lipid content and oxidative parameters in lamb kidneys. The investigation provides also new practical knowledge for nutritionists carrying out further studies aimed at improving farm animal health, growth performance and welfare of lambs.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    40201 - Animal and dairy science; (Animal biotechnology to be 4.4)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Animal and Feed Sciences

  • ISSN

    1230-1388

  • e-ISSN

  • Volume of the periodical

    30

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    PL - POLAND

  • Number of pages

    15

  • Pages from-to

    223-237

  • UT code for WoS article

    000704042600004

  • EID of the result in the Scopus database

    2-s2.0-85120381491