6 results on '"mikotoksini"'
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2. Toxicological evaluation of feed contaminated with mycotoxins using a luminescent microorganism: Photobacterium phosphoreum.
- Author
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Orobchenko, O., Kurbatska, O., Paliy, A., and Palii, A.
- Subjects
MYCOTOXINS ,MICROORGANISMS ,PHOTOBACTERIUM phosphoreum ,FUMONISINS ,OCHRATOXINS ,LUMINESCENCE - Abstract
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- Published
- 2023
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3. Toxicological evaluation of feed contaminated with mycotoxins using a luminescent microorganism
- Author
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Orobchenko, Oleksandr, Kurbatska, Olena, Paliy, Anatoliy, and Palii, Andrii
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bioluminescence ,feed ,mycotoxins ,toxicity ,Photobacterium phosphoreum ,General Veterinary ,bioluminiscencija ,hrana za životinje ,mikotoksini ,toksičnost ,Photobacterium phosphoreu - Abstract
The possibility of using luminescent microorganisms Photobacterium phosphoreum (strain IMB B-7071; Sq3) for rapid toxicological evaluation of feed contaminated with mycotoxins was examined based on the reduction of the luminescence intensity. Under the conditions of this study, feed with Ochratoxin A mycotoxin content at the level of maximum residue limits (MRL 0.05 mg/ kg) is characterized as non-toxic, while for T2-mycotoxin, deoxynivalenol, fumonisins and aflatoxin B1 (MRL 0.1, 1.0, 5.0, and 0.01 mg/kg, respectively) is characterized as toxic, and for zearalenone (MRL 1.0 mg/kg) as highly toxic. This indicates the need for further research to study the toxicological characteristics of mycotoxins in the body of laboratory and productive animals, possibly with further revision of the maximum allowable levels of relevant contaminants in feed in Ukraine., Na bazi redukcije intenziteta luminiscencije uspostavljena je mogućnost uporabe luminiscentnih mikroorganizama Photobacterium phosphoreum (soj IMB B-7071; Sq3) za izražavanje (do 30 minuta) toksikološke procjene hrane za životinje kontaminirane mikotoksinima. Međutim, ako je za okratoksin A u uvjetima ispitivanja hrane za životinje s udjelom mikotoksina pri razini najvećih dopuštenih količina rezidua (MRL) (0,05 mg/kg) hrana za životinje okarakterizirana kao netoksična, tada je za T2- mikotoksin, deoksinivalenol, fumonizin i aflatoksin B1 pri MRL (0,1; 1,0; 5,0, odnosno 0,01 mg/kg) hrana za životinje okarakterizirana kao toksična, a za zearalenon (MRL 1,0 mg/kg) – kao visoko toksična, što ukazuje na potrebu dodatnog istraživanja da se ispitaju toksikološke karakteristike mikotoksina u tijelu laboratorijskih i produktivnih životinja, moguće s dodatnom revizijom (naniže) najvećih dopuštenih količina relevantnih kontaminanata u hrani za životinje u Ukrajini.
- Published
- 2022
4. Učinak uporabe adsorbensa toksina na učinkovitost rasta tovnih pilića
- Author
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Amroun, Habib, Mimoune, Nora, Ait Issad, Nassima, Houari, Chelali, Ammari, Chama, Dra, Amira Ghislaine, and Khelef, Djamel
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sredstvo za vezivanje ,mikotoksini ,Micotec ,zootehnička učinkovitost ,tovni pilići ,binder ,mycotoxins ,zootechnical performance ,broiler chickens - Abstract
Raw material mixtures in compound feeds may increase the risk of contamination with different mycotoxins, and their intake can lead to interactive toxic effects. As a result, there is a growing awareness of the risks posed to human and animal health by the presence of toxins produced by fungi in food and diet. The aim of this study is to assess the impact of the use of a mycotoxin binder (Micotec) on zootechnical performance in broilers. For this purpose, 3000 day-old chicks of the Arbor acres strain originating from the same hatchery were weighed and distributed equally into six groups [one control (C) and five experimental (Exp), as five repetitions receiving the mycotoxin binder Micotec at a dose of 0.1 kg]. All subjects (control and experimental groups) were fed a standard staple food suitable for each phase of rearing. The results showed significant differences between the experimental groups and the control one. The best zootechnical performances were recorded in experimental groups receiving the mycotoxin binder, compared to the control. The average weight in the finishing phase for the experimental groups was 3083.6 ± 140.7 g/subject, which was higher than the control group (2800 g/subject) (P, Mješavina različitih sirovina u krmnim smjesama može povećati rizik od kontaminacije s nekoliko mikotoksina, a njihov unos može dovesti do interaktivnih toksičnih učinaka. Kao rezultat, zbog prisutnosti toksina koje proizvode gljivice u hrani i prehrani postoji sve veća svijest o rizicima za zdravlje ljudi i životinja. Cilj je ove studije bio procijeniti učinak uporabe sredstva za vezivanje mikotoksina (Micotec) na zootehničku učinkovitost u tovnih pilića. U tu je svrhu, tri tisuće (3000) pilića soja Arbor acres starih jedan dan iz iste valionice izvagano je i homogeno podijeljeno u 6 skupina (1 kontrolna (C) i 5 eksperimentalnih (Exp) koje su uključivale 5 ponavljanja primanja sredstva za vezivanje mikotoksina Micotec) u dozi od 0,1 kg. Svi pilići i iz kontrole i iz eksperimentalnih skupina hranjeni su standardnom osnovnom hranom prikladnom za svaku fazu uzgoja. Dobiveni rezultati pokazali su značajne razlike između eksperimentalnih skupina i kontrolne skupine. Naime, bolja zootehnička učinkovitost u usporedbi s kontrolnom skupinom zabilježena je u eksperimentalnim skupinama koje su primale sredstvo za vezivanje mikotoksina. Prosječna masa u završnoj fazi za eksperimentalne skupine bila je 3083,6 ± 140,65 g / piliću što je više u usporedbi s kontrolnom skupinom (2800 g / piliću) (P
- Published
- 2023
5. Influence of locality on Slavonian sausage safety and quality
- Author
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Tina Lešić, Irena Perković, Mario Škrivanko, Dragan Kovačević, Manuela Zadravec, and Jelka Pleadin
- Subjects
General Veterinary ,plijesni ,mikotoksini ,slavonska kobasica ,PCR ,moulds ,mycotoxins ,Slavonian sausage - Abstract
Slavonska kobasica je trajna kobasica koje se u seoskim domaćinstvima u Slavoniji proizvodi tradicionalnom tehnologijom, pri kojoj se tijekom zrenja na ovitku proizvoda mogu razviti plijesni. Cilj je ovog rada bio identificirati površinske plijesni i utvrditi njihov utjecaj na kvalitetu i zdravstvenu sigurnost proizvoda, uključujući pojavnost mikotoksina okratoksina A (OTA) i aflatoksina B1 (AFB1). Tijekom rada komunicirano je sa šest proizvodnih lokaliteta na području Slavonije. Pripremljeno je 18 uzoraka slavonske kobasice koje su analizirane na kraju proizvodnog procesa u trajanju od tri mjeseca. Ukupno je identificirano 8 različitih vrsta plijesni, među kojima je dominirao rod Penicillium (88,89 %). Osim šest Penicillium vrsta, izolirana je po jedna vrste iz rodova Aspergillus (8,33 %) i Mucor (2,78 %). Identificirani su i mogući izvori OTA i AFB1, Penicillium verrucosum i Aspergillus flavus, a određena je samo prisutnost OTA i to u koncentraciji od 5,10 μg/kg., Slavonian sausage is a cured sausage produced on rural holdings using traditional technology, in which moulds are permitted to develop on the product surface during the maturation period. The purpose of this study was to identify the surface moulds and determine their influence on product quality and safety, including the occurrence of the mycotoxins ochratoxin A (OTA) and aflatoxin B1 (AFB1), from six production facilities in the Slavonia region. A total of 18 samples of Slavonian sausage were prepared and analysed at the end of the production process, i.e., after three months. A total of eight species of mould were identified, and the dominant genus was Penicillium (88.89%) with six species, one species from the genus Aspergillus (8.33%) and one species from the genus Mucor (2.78%). Possible causative agents of OTA and AFB1 were identified, Penicillium verrucosum and Aspergillus flavus, though only the presence of OTA was confirmed in a concentration of 5.10 μg/kg.
- Published
- 2021
6. Klimatske promjene - Potencijalna prijetnja još znatnijoj pojavnosti mikotoksina
- Author
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Višnja Vasilj, Manuela Zadravec, Ksenija Markov, Jadranka Frece, Tina Lešić, and Jelka Pleadin
- Subjects
klimatske promjene ,mikotoksini ,plijesni ,okolišni uvjeti ,geografska područja ,prevencija ,General Veterinary ,climate change ,mycotoxins ,moulds ,environmental conditions ,geographical areas ,prevention ,geografskapodručja - Abstract
Tijekom posljednjeg desetljeća znanstvenici sve više ukazuju na globalno zagrijavanje, dovodeći klimatske promjene u poveznicu s novom strukturom vrsta plijesni producenata mikotoksina po geografskim područjima svijeta. Izraženije klimatske promjene mogu u budućnosti izmijeniti otpornost domaćina i interakciju domaćin-patogen te imati znatan utjecaj na razvoj toksikogenih plijesni i produkciju mikotoksina kao njihovih sekundarnih metabolita. Novonastala klimatološka situacija izaziva sve veću pozornost i zahtijeva nove dijagnostičke alate, kao i nove spoznaje o biološkim karakteristikama poljoprivrednih kultura koje se uzgajaju i genetici toksikogenih plijesni. Zbog sve povoljnijih klimatskih uvjeta za rast Aspergillus flavus na području Europe, u narednom razdoblju postoji povećani rizik od onečišćenja žitarica izrazito toksičnim aflatoksinima. Ujedno, profil mikotoksigenih vrsta Fusarium počinje se sve znatnije mijenjati, a posebno je zabrinjavajući porast onečišćenja s F. graminearum u sjevernom i središnjem dijelu Europe. S obzirom na očigledne klimatske promjene, potrebna su daljnja istraživanja koja uključuju „prediktivne modele“ s više varijabli, a koji bi u bliskoj budućnosti omogućili kvalitetni pristup strategiji prevencije kontaminacije toksikotvornim plijesnima i mikotoksinima u hrani i hrani za životinje., Over the last decade, scientists have increasingly pointed to global warming, linking climate change to a new structure of mycotoxin-producing mould species across the world. In the future, more pronounced climate changes may alter host resistance and host-pathogen interaction, and have a significant impact on the development of toxicogenic moulds and the production of mycotoxins as their secondary metabolites. The newly emerging climatological situation is attracting increasing attention, demanding new diagnostic tools and new insights into the biological characteristics of cultivated crops and the genetics of toxicogenic moulds. In Europe, the climate conditions are highly favourable for the growth of Aspergillus flavus, bringing increased future risk of contamination of cereals with highly toxic aflatoxins. Meanwhile, the profile of mycotoxigenic species of Fusarium is beginning to change significantly, and increased reports of contamination with F. graminearum in northern and central Europe are particularly worrisome. Given the obvious climate change, further research is needed that will include predictive models with several variables, to provide an appropriate future approach to the strategy of preventing contamination by toxic moulds and mycotoxins in food and feed.
- Published
- 2020
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