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Način delovanja in učinki probiotikov v prehrani živali = Probiotics in animal nutritionVodovnik, Maša ; Marinšek-Logar, Romana, 1960-Probiotiki so živi mikroorganizmi, ki zaužiti v ustreznem številu, ugodno vplivajo na zdravje gostitelja. Njihovi učinki so praviloma povezani z vzpostavitvijo ugodnega mikrobnega ravnovesja v ... prebavilih gostitelja ter uravnavanjem njegovega imunskega odziva. Pri domačih živalih so ključni učinki probiotikov povezani z izboljšano učinkovitostjo prireje. Poleg ugodnega vpliva na zdravstveno stanje (predvsem mladih) živali, slednje obsega tudi izboljšano konverzijo krme, povečano hitrost rasti in nekatere druge. Probiotični krmni dodatki registrirani v EU vsebujejo predvsem Gram-pozitivne bakterije iz rodov Bacillus, Enterococcus, Lactobacillus, Pediococcus, Streptococcus ter kvasovke Saccharomyces cerevisiae in Kluyveromyces sp. Medtem, ko je večina omenjenih mikroorganiymov načeloma varnih, imajo nekateri lastnosti, ki so lahko škodljive tako za živali, kot tudi za ljudi. Tak primer so enterokoki, pri katerih pogosto opažajo zapise za prenosljive determinante odpornosti proti antibiotikom. Slednji tako predstavljajo potencialno nevarnost za širjenje odpornosti v patogenih mikrobnih populacijah ljudi in živali. Hiter napredek na področju sintetične in sistemske biologije združen s podporo bioinformatike in novimi orodji genskega inženirstva v prihodnosti obeta skoraj neskončne možnosti za pripravo probiotičnih sevov s poljubnimi lastnostmi, vendar pa bodo le-ti lahko prestopili meje laboratorijev šele ob ustrezni spremembi zakonodaje in javnega mnenja.Source: Acta agriculturae Slovenica. - ISSN 1581-9175 (Letn. 92, št. 1, 2008, str. 5-17)Type of material - article, component partPublish date - 2008Language - slovenianCOBISS.SI-ID - 2407816
Author
Vodovnik, Maša |
Marinšek-Logar, Romana, 1960-
Topics
živinoreja |
prehrana živali |
mikrobiologija |
probiotiki |
krma |
rekombinantni probiotiki |
zakonodaja |
EU |
animal production |
animal nutrition |
microbiology |
probiotics |
feed |
recombinant probiotics |
legislation |
EU
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Vodovnik, Maša | 28851 |
Marinšek-Logar, Romana, 1960- | 08404 |
Source: Personal bibliographies
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