Przeglądaj Publikacje według autora "Kursa, Olimpia"
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Antibiotic resistance of Gallibacterium anatis biovar haemolytica isolates from chickens
Kursa, Olimpia; Tomczyk, Grzegorz; Sieczkowska, Agata; Sawicka-Durkalec, Anna (National Veterinary Research Institute in Pulawy; Poland, 2024)Gallibacterium anatis is an opportunistic bacteria inducing a range of clinical signs in poultry. Gallibacterium anatis strains show multidrug resistance to antibacterial substances. The purpose of this study was to examine ... -
Case reports involving coinfection with Avibacterium paragallinarum and Ornithobacterium rhinotracheale in broiler chickens and Avibacterium endocarditis in broiler breeding hens in Poland
Stępniak-Pyśniak, Dagmara; Dec, Marta; Hauschild, Tomasz; Kursa, Olimpia; Marek, Agnieszka; Wilczyński, Jarosław; Brzeski, Michał (TAYLOR & FRANCIS LTD, 2024)The study describes three clinical cases of infection with Avibacterium spp.. In case no. 1, respiratory clinical signs and high mortality (0.7–4.2% daily; total 21.2%) in broiler chickens Ross 308 were shown to be caused ... -
Evidence of Mycoplasma spp. transmission by migratory wild geese
Sawicka-Durkalec, Anna; Tomczyk, Grzegorz; Kursa, Olimpia; Stenzel, Tomasz; Gyuranecz, Miklós (2021)Mycoplasma infections have been found in different species of waterfowl worldwide. However, the question of how the pathogens have been transmitted and dispersed is still poorly understood. Samples collected from clinically ... -
The Microbial Community of the Respiratory Tract of Commercial Chickens and Turkeys
Kursa, Olimpia; Tomczyk, Grzegorz; Adamska, Karolina; Chrzanowska, Justyna; Sawicka-Durkalec, Anna (MDPI, 2022)Respiratory tract health critically affects the performance of commercial poultry. This report presents data on the microbial community in these organs from a comprehensive study of laying chickens and turkey breeders. The ... -
Molecular detection and phylogenetic analysis of Riemerella anatipestifer in poultry and wild geese in Poland
Sawicka-Durkalec, Anna; Tomczyk, Grzegorz; Gerilovych, Iryna; Kursa, Olimpia (MDPI, 2023)Riemerella anatipestifer (RA) is one of the most relevant bacterial pathogens of commercial waterfowl from clinical and economic points of view. Our study aimed to evaluate the prevalence of RA infection in different types ... -
Mycoplasma gallisepticum and Mycoplasma synoviae in Turkeys in Poland
Kursa, Olimpia; Tomczyk, Grzegorz; Sieczkowska, Agata; Kostka, Sylwia; Sawicka-Durkalec, Anna (MDPI, 2024)The pathogenic mycoplasmas are among the bacteria causing significant losses in the poultry industry worldwide. Mycoplasma gallisepticum (MG) and M. synoviae (MS) are economically important pathogens causing chronic ... -
Occurrence of Mycoplasma spp. in wild birds: phylogenetic analysis and potential factors affecting distribution
Sawicka-Durkalec, Anna; Kursa, Olimpia; Bednarz, Łukasz; Tomczyk, Grzegorz (2021)Different Mycoplasma species have been reported in avian hosts. However, the majority of studies focus on one particular species of Mycoplasma or one host. In our research, we screened a total of 1141 wild birds representing ... -
Occurrence of Ornithobacterium rhinotracheale in Polish turkey flocks
Kursa, Olimpia; Tomczyk, Grzegorz; Sawicka-Durkalec, Anna (National Veterinary Research Institute in Pulawy; Poland, 2022)Introduction: Ornithobacterium rhinotracheale (ORT) causes significant economic losses to the poultry industry around the world. The bacterium often affects poultry as part of multiple infections causing very ... -
Prevalence, identification and antibiotic resistance of Gallibacterium anatis isolates from chickens in Poland
Kursa, Olimpia; Tomczyk, Grzegorz; Sieczkowska, Agata; Sawicka-Durkalec, Anna (MDPI, 2023)The Gram-negative bacterium Gallibacterium anatis is part of the normal avian respiratory,intestinal and reproductive tract microflora and can be transmitted horizontally and vertically. Withthe coexistence of other relevant ... -
Reflected Light Spectrometry and AI-Based Data Analysis for Detection of Rapid Chicken Eggshell Change Caused by Mycoplasma synoviae
Pakuła, Anna; Paśko, Sławomir; Kursa, Olimpia; Komar, Robert (MDPI, 2021)Mycoplasma synoviae (MS) is a pathogen that causes economic losses in the poultry industry. It can be transmitted, amongst others, via the respiratory tract and spread relatively quickly. As such, MS infections are mainly ... -
Sytuacja epidemiologiczna zakażeń Ornithobacterium rhinotracheale u drobiu w świetle wyników badań własnych
Kursa, Olimpia; Tomczyk, Grzegorz; Sawicka-Durkalec, Anna (Przedsiębiorstwo Wielobranżowe BEGEPO Sp. z o.o., 2022)Choroby układu oddechowego są jedną z ważniejszych przyczyn powodujących wysokie straty ekonomiczne w produkcji drobiarskiej. W warunkach terenowych najczęściej obserwuje się infekcje o wielorakiej etiologii, z udziałem ... -
Trendy w stosowaniu leków przeciwbakteryjnych w leczeniu mykoplazmozy drobiu
Sawicka-Durkalec, Anna; Tomczyk, Grzegorz; Kursa, Olimpia (Przedsiębiorstwo Wielobranżowe BEGEPO Sp. z o.o., 2022)Mykoplazmoza drobiu to choroba wywoływana zakażeniem bakteriami z rodzaju Mycoplasma (M.) występująca u kilku gatunków ptaków hodowlanych. Do gatunków infekujących drób grzebiący zalicza się M. gallisepticum , M. synoviae, ...