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Sebastian Witek

Explore the profile of Sebastian Witek including associated specialties, affiliations and a list of published articles. Areas
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Articles 7
Citations 4
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Recent Articles
1.
Matraszek-Zuchowska I, Klopot A, Sielska K, Korycinska B, Witek S, Zdonek P, et al.
J Vet Res . 2023 Dec; 67(2):275-287. PMID: 38143825
Introduction: Because of the activities and effects they induce, hormones are prohibited for use for anabolic purposes in farm animals intended for slaughter, which is regulated in the European Union...
2.
Wozniak B, Cybulski P, Jablonski A, Witek S, Matraszek-Zuchowska I
J Vet Res . 2020 Dec; 64(4):557-565. PMID: 33367145
Introduction: An effective way of preventing undesirable boar taint in pork meat caused by the presence of androstenone, skatole and indole is surgical castration of piglets. This, however, arouses growing...
3.
Wozniak B, Matraszek-Zuchowska I, Sielska K, Witek S, Posyniak A, Niemczuk K, et al.
J Vet Res . 2019 Feb; 62(4):511-517. PMID: 30729210
Introduction: In the European Union, the use of thyreostatic drugs for fattening slaughter animals has been banned since 1981 under Council Directive 81/602/EEC. For protection of consumer health against unwanted...
4.
Wozniak B, Matraszek-Zuchowska I, Witek S, Posyniak A
J Vet Res . 2018 Jul; 61(1):81-89. PMID: 29978058
Introduction: In the European Union the use of steroid growth promoters is prohibited under Council Directive 96/22/EC. For effective control of illegal use of natural steroids, highly sensitive analytical methods...
5.
Wozniak B, Matraszek-Zuchowska I, Witek S, Zmudzki J, Posyniak A
Food Addit Contam Part A Chem Anal Control Expo Risk Assess . 2017 Dec; 35(5):892-899. PMID: 29279007
Thyreostatic compounds, such as thiouracil, are orally active drugs that can be used to increase the weight of cattle before slaughter. Due to potentially teratogenic and carcinogenic effects of their...
6.
Witek S, Wozniak B, Matraszek-Zuchowska I, Posyniak A
J Sep Sci . 2017 Dec; 41(5):1083-1090. PMID: 29266785
A method based on ultra-high performance liquid chromatography was developed and validated to detect six thyreostatic compounds: tapazole, thiouracil, methylthiouracil, dimethylthiouracil, propylthiouracil, and phenylthiouracil in faeces of bovine. Thyreostats were...
7.
Wozniak B, Zuchowska I, Zmudzki J, Jedziniak P, Korycinska B, Sielska K, et al.
Anal Chim Acta . 2011 Jul; 700(1-2):155-66. PMID: 21742128
Liquid chromatography tandem mass spectrometry methods were developed and validated to screen for and confirm residues of the thyreostatic drugs: tapazole, thiouracil, methylthiouracil, propylthiouracil, and phenylthiouracil in bovine and porcine...