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The publication presents the results of monitoring Q fever in the Wielkopolska Voivodeship and three outbreaks disclosed as part of a clinical field practice. In five years (2011–2015) of examination in the Wielkopolska Voivodeship, 2,431 serological tests were carried out (1,851 in sheep, 343 in goats and 237 in cattle). Antibodies against Coxiella burneti were found three times. The first positive...
The aim of the study was to monitor genetic diversity and antigenic changes in the genome of influenza A(H1N1)pdm09 viral isolates detected during the post-pandemic period in Poland. Clinical specimens obtained from three suspected cases of influenza were analysed by sequencing. Among the differences identified in amino acids sequences, nine substitutions were located within the antigenic HA1 sites...
The kinetics of C-reactive protein (CRP), haptoglobin (Hp), serum amyloid A (SAA), and pig major acute protein (Pig- MAP) response in pigs co-infected with H3N2 swine influenza virus (SwH3N2) and Bordetella bronchiseplica (Bbr) was studied, with assessment of potential correlations between the concentration of acute phase proteins (APPs) in serum samples, lung lesions, and the clinical course of the...
A total of 209 Bordetella bronchiseptica (Bbr) strains isolated from pigs were examined. Phenotypic study included: biochemical characterization (motility, catalase, oxidase, urease activity, nitrate reduction and growth on MacConkey agar) and antimicrobial susceptibility (disc diffusion method). Genotypic studies based on detection of three genes encoded virulence factors, such as: flagella (fla),...
Klasyczną metodę konwersji alkoholi pierwszorzędowych w odpowiednie halogenki alkilowe z użyciem trifenylofosfiny oraz tetrahalogenometanu, tzw. reakcję Appela, zaadoptowano do bezpośredniej syntezy terminalnych tioli i azydków organicznych pochodnych glikolu etylenowego oraz jego siarkowego analogu. W kluczowym etapie opisanej procedury one-pot, otrzymane in situ, w reakcji z N-bromosukcynimidem...
The outbreaks of pandemic H1N1 influenza A virus (pdm-like H1N1 2009), detected for the first time in farrow-to-finish farms in Poland, were described. The nasal swabs and lung tissue collected from diseased/dead animals were tested using molecular techniques (RRT-PCR, MRT-PCR, RT-PCR, SSG-PCR, sequencing) and virus isolation. The amplification of the genetic material extracted from the tested samples...
The paper describes an outbreak of swine influenza, which was the first H1N2 outbreak confirmed in pig farm in Poland. The outbreak occurred in October 2011 in the farrows to finish farm, first in the fattening units, and subsequently in the reproduction and weaning sectors. Samples of the lungs taken from dead gilts were tested by the use of real time and multiplex PCR, sequencing, and virus isolation...
The aim of the study was to estimate the current epidemiological situation concerning swine influenza (SI) in Poland. The study was based on an annual passive survey of 11,770 fatteners' sera from 584 herds, taken at slaughterhouses within the last 30 months (from January 2010 till June 2012), as well as, an active monitoring conducted in 2011 and 2012, in 25 farms, using 388 sera taken from life...
Phylogenetic analysis of the genes determining influenza virus subtype - haemagglutinin (HA) and neuraminidase (NA), was performed. The results showed that the Polish H1N2 isolate (A/Swine/Polandl 5817/2011) was reassortant of human-like swine H1N1 and human-like swine H3N2 origin. The novel isolate was presented to have a close phylogenic relationship with one of the latest European isolates of H1N2...
PCR technique used for the detection of apxIVA gene of Actinobacillus pleuropneumoniae (App) was developed. The optimisation of the technique was conducted on App ATCC 27088 strain. The concentration of primers, Mg²⁺, and Taq polymerase, as well as the annealing temperature and the number of cycles were optimised. The test could detect up to 10⁻⁷ dilution, which equals 3x10¹ cfu/mL. The specificity...
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