Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples
Gajda, Anna, Posyniak, Andrzej
Analytical Procedure for the Determination of Tulathromycin in Swine Plasma
Gajda, Anna, Posyniak, Andrzej, Błądek, Tomasz
The markers of stress in swine oral fluid
Giergiel, Marta, Olejnik, Małgorzata, Jabłoński, Artur, Posyniak, Andrzej
Pesticide Poisoning of Honeybees: A Review of Symptoms, Incident Classification, and Causes of Poisoning
Kiljanek, Tomasz, Niewiadowska, Alicja, Posyniak, Andrzej
LC-MS/MS analysis of doxycycline residues in chicken tissues after oral administration
Gajda, Anna, Posyniak, Andrzej, Tomczyk, Grzegorz
Control of anabolic hormone residues in tissues of slaughter animals in Poland during the period of 2011–2015
Matraszek-Żuchowska, Iwona, Woźniak, Barbara, Kłopot, Alicja, Witek, Sebastian, Sielska, Katarzyna, Posyniak, Andrzej
Analysis of β-agonists in different biological matrices by liquid chromatography–tandem mass spectrometry
Śniegocki, Tomasz, Sell, Bartosz, Posyniak, Andrzej
Development of LC-MS/MS confirmatory method for the determination of testosterone in bovine serum
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Witek, Sebastian, Posyniak, Andrzej
Simultaneous Determinaton of Fluoroquinolones in Feed by Liquid Chromatography with Fluorescence Detection
Gbylik, Małgorzata, Posyniak, Andrzej, Gajda, Anna
A preliminary study of the poultry body weight effect of carvacrol in litter and of carvacrol residue in organ tissue of exposed chickens
Śniegocki, Tomasz, Raszkowska-Kaczor, Aneta, Bajer, Krzysztof, Sell, Bartosz, Kozdruń, Wojciech, Giergiel, Marta, Posyniak, Andrzej
In vivo study of the oestrogenic activity of milk
Radko, Lidia, Posyniak, Andrzej
Levels of the natural hormones 17β-oestradiol and testosterone in serum of cattle: results from population studies in Poland
Woźniak, Barbara, Witek, Sebastian, Matraszek-Żuchowska, Iwona, Kłopot, Alicja, Posyniak, Andrzej