Affiner votre recherche
Résultats 51-60 de 694
Identification of SNP markers for canine mammary gland tumours in females based on a genome-wide association study – preliminary results
2023
Mucha Anna | Nowak Błażej | Dzimira Stanisław | Liszka Bartłomiej | Zatoń-Dobrowolska Magdalena
The development of genetic research over recent decades has enabled the discovery of new genetic markers, such as single nucleotide polymorphisms (SNPs). This, as well as the full sequencing of the dog genome, has enabled genome-wide association studies (GWAS) to be used in the search for genetic causes of canine mammary tumours (CMTs).
Afficher plus [+] Moins [-]Comparison of automatic methods MALDI-TOF, VITEK2 and manual methods for the identification of intestinal microbial communities on the example of samples from alpacas (Vicugna pacos)
2023
Pławińska-Czarnak Joanna | Wódz Karolina | Strzałkowska Zuzanna | Żychska Monika | Nowak Tomasz | Kwieciński Adam | Kwieciński Piotr | Bielecki Wojciech | Rodo Anna | Rzewuska Magdalena | Kłosińska Daria | Anusz Krzysztof | Orłowska Blanka
Universally, in microbiological diagnostics the detection of live bacteria is essential. Rapid identification of pathogens enables appropriate remedial measures to be taken. The identification of many bacteria simultaneously facilitates the determination of the characteristics of the accompanying microbiota and/or the microbiological complexity of a given environment.
Afficher plus [+] Moins [-]Porcine carcasses as an underestimated source of antimicrobial resistant Campylobacter coli
2023
Osek Jacek | Wieczorek Kinga
Campylobacteriosis is the most common human foodborne bacterial infection worldwide and is caused by bacteria of the Camplylobacter genus. The main source of these bacteria is poultry, but other food-producing animals such as pigs are also responsible for human infections. An increasing number of strains with resistance to fluoroquinolones and other antimicrobials such as macrolides were recently noted. The aim of the study was to investigate Campylobacter contamination of porcine carcasses and determine the antimicrobial resistance of the obtained isolates.
Afficher plus [+] Moins [-]First molecular detection of Brachyspira suanatina on pig farms in Poland
2023
Cybulski Piotr | Strutzberg-Minder Katrin | Michalik Edyta | Kondratiuk Radosław | Jablonski Artur
Prior to the 2000s, swine dysentery was considered to be caused only by Brachyspira hyodysenteriae with contributing commensal intestinal anaerobes. Nowadays, it is known that the disease is caused by three strongly beta-haemolytic species of the anaerobic spirochaetal genus Brachyspira, i.e. B. hyodysenteriae and newly emerged B. hampsonii and B. suanatina.
Afficher plus [+] Moins [-]Examination of the haematological profile of pregnant Polish Holstein-Friesian black-and-white cattle in the early stage
2023
Wrzecińska Marcjanna | Kowalczyk Alicja | Czerniawska-Piątkowska Ewa | Kordan Władysław | Araujo Jose Pedro
Cattle health and welfare are monitored via the analysis of the haematological profile, and it shows cattle’s ability to adapt to changing environmental conditions, pregnancy and lactation; profile changes also indicate reproductive disorders. The literature lacks reports of the examination of the haematological profile in cows up to the 50th day of pregnancy (dop). Therefore, this research examined that in cows up to this pregnancy stage.
Afficher plus [+] Moins [-]Droplet digital PCR quantification of selected microRNAs in raw mastitic cow’s milk from the west of Poland
2023
Smulski Sebastian | Pszczoła Marcin | Stachowiak Monika | Bilińska Adrianna | Szczerbal Izabela
MicroRNAs (miRNAs), a class of noncoding small RNAs, have been recognised as potential biomarkers of mammary gland conditions, including bovine mastitis diagnosis. The aim of this study was to quantify selected miRNAs in the milk of mastitic cows.
Afficher plus [+] Moins [-]New insight on chlamydiae
2023
Szymańska-Czerwińska Monika | Zaręba-Marchewka Kinga | Niemczuk Krzysztof
This article provides an overview of the current knowledge on chlamydiae, which are intracellular bacteria belonging to the Chlamydiaceae family. Whole-genome sequencing leads to great increases in the available data about Chlamydia spp. Recently, novel chlamydial taxons in various hosts living in different environments have been recognised. New species and taxons with Candidatus status have been recorded mainly in birds and reptiles. Chlamydia gallinacea is an emerging infectious agent in poultry with indirectly confirmed zoonotic potential. Recently, a new group of avian C. abortus strains with worldwide distribution in various wild bird families has been described. The definition of C. abortus species became outdated with the discovery of these strains and has been amended. It now includes two subgroups, mammalian and avian, the latter including all isolates hitherto referred to as atypical C. psittaci or C. psittaci/C. abortus intermediates.
Afficher plus [+] Moins [-]Echinococcus multilocularis genetic diversity based on isolates from pigs confirmed the characteristic haplotype distribution and the presence of the Asian-like haplotype in Central Europe
2023
Karamon Jacek | Samorek-Pieróg Małgorzata | Bilska-Zając Ewa | Korpysa-Dzirba Weronika | Sroka Jacek | Bełcik Aneta | Zdybel Jolanta | Cencek Tomasz
The aim of the study was to determine the genetic diversity of Echinococcus multilocularis in pigs in highly endemic areas in Poland, as well as to attempt to confirm the occurrence and geographical distribution of haplotypes characteristic for these areas, which were previously described on the basis of examination of adult tapeworms isolated from foxes.
Afficher plus [+] Moins [-]Morphometry and topography of the coronary ostia in the dog
2023
Barszcz Karolina | Goździewska-Harłajczuk Karolina | Czopowicz Michał | Chłopecka Magdalena | Polguj Michał | Klećkowska-Nawrot Joanna
The purpose of this study was to perform a morphometric examination of the coronary ostia, including their location in the area of the aortic sinuses, and to describe variations in ostia structure in the domestic dog.
Afficher plus [+] Moins [-]Antibody response to 1.0 and 0.5 mL doses of an inactivated bacterial vaccine against bovine respiratory disease in young Holstein calves: a field trial
2023
Mori Kazusa | Kato Toshihide | Kosenda Keigo | Yokota Osamu | Ohtsuka Hiromichi
Early vaccination of cattle with an inactivated commercial bacterial vaccine against bovine respiratory disease has been reported to increase antibody production and can alleviate the disease. However, its dosage has been little investigated in young Holstein calves. This study addresses the need to establish guide values for vaccine dosage in these animals.
Afficher plus [+] Moins [-]