Przeglądaj Publikacje według autora "Kwiatek, Krzysztof"
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Analiza pasz w zakresie występowania nasion rzepaku genetycznie zmodyfikowanego
Mazur, Małgorzata; Sieradzki, Zbigniew; Król, Beata; Kwiatek, Krzysztof (Polskie Towarzystwo Nauk Weterynaryjnych, 2022)The labeling of products containing GMOs above 0.9% results from the provisions of the law in force in the European Union. The aim of the study was to evaluate the presence of genetically modified rape in feed used in ... -
Animal botulism in Poland – laboratory and epidemiological investigations
Grenda, Tomasz; Goldsztejn, Magdalena; Kwiatek, Krzysztof; Kozak, Beata; Grenda, Anna (National Veterinary Research Institute in Pulawy, 2022)The aim of the study was to present cases of botulism in animals found in Poland in 2019–2021. The analytical laboratory diagnosis and difficulties that occurred in the interpretation of the results are described. Material ... -
Aspekty prawne i normalizacyjne pobierania próbek żywności do badań mikrobiologicznych
Kwiatek, Krzysztof; Osiński, Zbigniew; Patyra, Ewelina (2022)Food sampling procedures are an important element of ensuring the reliability of laboratory test results. In particular, it must be ensured that the laboratory sample sent for microbiological testing reflects the whole ... -
Botulinum toxin in cancer therapy-current perspectives and limitations
Grenda, Tomasz; Grenda, Anna; Krawczyk, Paweł; Kwiatek, Krzysztof (2021)Different serotypes of botulinum toxins (BoNTs) act upon different types of SNARE proteins. This property is used in aesthetic medicine to treat certain eye disorders such as crossed eyes (strabismus) and uncontrolled ... -
Clostridium perfringens - opportunistic foodborne pathogen, its diversity and epidemiological significance
Grenda, Tomasz; Jarosz, Aleksandra; Sapała, Magdalena; Grenda, Anna; Patyra, Ewelina; Kwiatek, Krzysztof (2023)The C. perfringens species is associated with various environments, such as soils, sewage, and food. However, it is also a component of the gastrointestinal (GI) microflora (i.e., microbiota) of sick and healthy humans and ... -
Development, in-house validation and application of a method using high-performance liquid chromatography with fluorescence detection (HPLC-FLD) for the quantification of 12 ergot alkaloids in compound feeds
Kowalczyk, Ewelina; Kwiatek, Krzysztof (National Veterinary Research Institute in Pulawy; Poland, 2023)Introduction: Ergot alkaloids (EAs) are toxic substances naturally produced by Claviceps fungi. These fungi infest a widerange of cereals and grasses. When domestic animals are exposed to EAs through contaminated feeds, ... -
Dioxins and polychlorinated biphenyls in insect processed animal proteins used as a feed – is there a health risk?
Pajurek, Marek; Warenik-Bany, Małgorzata; Mikołajczyk, Szczepan; Maszewski, Sebastian; Kwiatek, Krzysztof (Wageningen Academic Publishers, 2022)Insects have all the characteristics necessary to become an alternative source of protein in feed. However, as with feed materials of animal origin, insect processed animal proteins (IPAPs) can also accumulate persistent ... -
Enterococci—Involvement in Pathogenesis and Therapeutic Potential in Cancer Treatment: A Mini-Review
Grenda, Anna; Grenda, Tomasz; Domaradzki, Piotr; Kwiatek, Krzysztof (2022)Enterococcus spp. are Gram-positive, heterogeneous lactic acid bacteria inhabiting various environments. Several species of Enterococci are considered to be able to stimulate the immune system and play an important role ... -
Formaldehyd jako czynnik zagrożenia i zakazany dodatek paszowy
Patyra, Ewelina; Kwiatek, Krzysztof (Przedsiębiorstwo Wielobranżowe BEGEPO Sp. z o.o., 2023)Formaldehyd jest substancją chemiczną występującą powszechnie w środowisku bytowania ludzi i zwierząt, która nie jest obojętna dla naszego bezpieczeństwa. Stąd przedmiotem niniejszego artykułu są aspekty toksykologiczne ... -
HPLC-FLD-Based Method for the Detection of Sulfonamides in Organic Fertilizers Collected from Poland
Osiński, Zbigniew; Ewelina, Patyra; Kwiatek, Krzysztof (MDPI, 2022)Antibacterial substances such as sulfonamides are widely used in veterinary medicine to treat many bacterial diseases. After their administration to animals, up to 90% of the initial dose of the antibiotic is excreted in ... -
Insect Meals and Insect Antimicrobial Peptides as an Alternative for Antibiotics and Growth Promoters in Livestock Production
Patyra, Ewelina; Kwiatek, Krzysztof (MDPI, 2023)The extensive use of antibiotics in animal production has led to the development of antibiotic-resistant microorganisms and the search for alternative antimicrobial agents in animal production. One such compound may be ... -
Metody identyfikacji gatunkowej materiałów paszowych pochodzenia zwierzęcego oraz mięsa i jego przetworów
Mazur - Frejowska, Monika; Skowronek, Martyna; Weiner, Anna; Kwiatek, Krzysztof (Krajowa Izba Lekarsko-Weterynaryjna, 2023)Despite the introduction, in 2021, of cross-using processed animal protein (PAP), in poultry and swine feed, there is still a risk of secondary contamination or deliberate addition of an undesirable protein species ... -
Microbiological contamination of feed – current hazards and new challenges
Goldsztejn, Magdalena; Grenda, Tomasz; Kozak, Beata; Kozieł, Nina; Kwiatek, Krzysztof (Polskie Towarzystwo Nauk Weterynaryjnych, 2022)Feed microflora remains a very complex and still largely uncharacterized ecosystem. Given the wide range of potential sources of microbial contamination that may come into contact with feed, a variety of microorganisms, ... -
Molecular diversity of BoNT-producing clostridia—a still-emerging and challenging problem
Grenda, Tomasz; Jarosz, Aleksandra; Sapała, Magdalena; Stasiak, Karol; Grenda, Anna; Domaradzki, Piotr; Kwiatek, Krzysztof (MDPI, 2023)The diversity of BoNT-producing Clostridia is still a worrying problem for specialistswho explore the evolutionary and taxonomic diversity of C. botulinum. It is also a problem for epidemiologists and laboratory staff ... -
Możliwość wykorzystania owadów jako źródło białka w paszach – praktyka czy tylko teoria?
Weiner, Anna; Skowronek, Martyna; Mazur - Frejowska, Monika; Kwiatek, Krzysztof (2023)W dostępnej literaturze można znaleźć informacje odnośnie wykorzystania owadów w żywieniu zwierząt gospodarskich. Wszystkie stadia rozwojowe charakteryzują się wysoką zawartością białka ogólnego, w tym aminokwasów egzogennych ... -
Prevalence of veterinary antibiotics in natural and organic fertilizers from animal food production and assessment of their potential ecological risk
Patyra Ewelina; Nebota, Carolina; Gavilan, Rosa E.; Kwiatek, Krzysztof; Cepeda, Alberto (Willey, 2023)BACKGROUND: Veterinary antibiotics are emerging contaminants and enter into soil principally by agricultural application of organic fertilizers. This paper presents the results of the research obtained for the analyzed ... -
Probiotic Potential of Clostridium spp.—Advantages and Doubts
Grenda, Tomasz; Grenda, Anna; Domaradzki, Piotr; Krawczyk, Paweł; Kwiatek, Krzysztof (MDPI, 2022)Clostridium spp. is a large genus of obligate anaerobes and is an extremely heterogeneous group of bacteria that can be classified into 19 clusters. Genetic analyses based on the next- generation sequencing of 16S rRNA ... -
Przeciwutleniacz etoksychina – wybrane aspekty bezpieczeństwa
Patyra, Ewelina; Kwiatek, Krzysztof (Krajowa Izba Lekarsko-Weterynaryjna, 2024)Ethoxyquin (EQ), is a quinolone which was commonly used as an antioxidant additive and a fungicide. EQ is the most effective antioxidant additive forprotecting fishmeal during transport and storage, as well as food for ... -
Przetworzone białka pochodzenia zwierzęcego w żywieniu zwierząt gospodarskich – nowe uwarunkowania
Weiner, Anna; Kwiatek, Krzysztof (Krajowa Izba Lekarsko-Weterynaryjna, 2022)This article describes current legal regulations on the use of animal proteins in animal feeding, with the special interest on general rules in BSE prevention and control. Now, after more than twenty years, the feed ban ... -
Przetworzone białka zwierzęce w żywieniu zwierząt gospodarskich - aspekty prawne stosowania i kontroli laboratoryjnej w paszach
Weiner, Anna; Skowronek, Martyna; Mazur - Frejowska, Monika; Kwiatek, Krzysztof (Przedsiębiorstwo Wielobranżowe BEGEPO Sp. z o.o., 2023)Odnotowane w ostatnim okresie sytuacje kryzysowe w sektorze drobiarskim związane z obecnością niedozwolonych przetworzonych białek zwierzęcych (PAP) w mieszankach paszowych wskazują na potrzebę upowszechniania zasad ...