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Effect of immunomodulation in turkeys infected with haemorrhagic enteritis virus on the percentage of CD4+ and CD8α+ T lymphocyte subpopulations synthesising IFN-γ
2022
Tykałowski Bartłomiej | Koncicki Andrzej
Haemorrhagic enteritis virus (HEV) is a common turkey pathogen which suppresses the immune function. The immunosuppressive potential of both field and vaccine strains of HEV makes it necessary to seek substances which can limit or prevent this phenomenon. The aim of the presented work was to investigate the effect of two immunomodulators in the immune response of HEV-infected turkeys. The immunomodulators were synthetic methisoprinol and a natural preparation containing 34.2% β-glucans (β-1,3/1,6) and 12% mannan oligosaccharides (MOS).
显示更多 [+] 显示较少 [-]Detection and antimicrobial resistance of Enterobacteriaceae other than Escherichia coli in raccoons from the Madrid region of Spain
2022
Antonio Orden José | Martínez-Rodrigo Abel | Isabel Vela Ana | Francisco Fernández-Garayzábal José | Hurtado-Morillas Clara | Mas Alicia | Domínguez-Bernal Gustavo
Raccoons are an invasive alien species widely distributed in the Madrid region of Spain. These animals can carry a variety of enteric bacteria with associated antimicrobial resistance, which can infect humans and livestock. However, to our knowledge, the presence of non-E. coli Enterobacteriaceae in raccoons has not been previously studied.
显示更多 [+] 显示较少 [-]Determination of anti-phage antibodies in calf sera following application of Escherichia coli and Mannheimia haemolytica-specific bacteriophages
2022
Urban-Chmiel Renata | Nowaczek Anna | Chmiel Paulina | Wawrzykowski Jacek | Pyzik Ewelina | Marek Agnieszka | Stępien-Pyśniak Dagmara | Alomari Mohammed M.M. | Dec Marta
The widespread occurrence of drug-resistant bacteria has increased interest in alternatives to antibiotics for combatting bacterial infections, among which bacteriophages play an important role. The ability of phage proteins to induce an anti-phage immune response can significantly limit the effectiveness of treatment, which was the basis for the study described in this article. The aim of the study was to assess the effects of bacteriophages on the induction of an anti-phage humoral response in calves.
显示更多 [+] 显示较少 [-]Examination of immunogenic properties of recombinant antigens based on p22 protein from African swine fever virus
2022
Díaz Carlos | Salát Jiří | Břínek Kolařová Dagmar | Celer Vladimír | Frébort Ivo
The single member of the Asfarviridae family is African swine fever virus (ASFV). This double-stranded DNA virus infects wild and farmed swine and loses the pig industry large sums of money. An inner envelope, capsid, and outer envelope are parts of the ASFV particle containing structural proteins playing different roles in the process of infection or host immune defence evasion. When expressed by the baculovirus system, the p22 protein from the inner envelope was found to induce partial protection against a virulent virus strain. This study aimed to express a part of this protein in a different system and evaluate its immunogenicity.
显示更多 [+] 显示较少 [-]Influence of direct-fed microbial blend and Ferula elaeochytris on in vitro rumen fermentation pattern and degradability during simulated ruminal acidosis
2022
Sizmaz Ozge | Mickdam Elsayed | Eren Gultepe Eyüp
The use of probiotics and phytobiotics has attracted interest because of their protective effect against acidosis. Ferula elaeochytris (FE) is considered a good source of bioactive compounds, mainly monoterpene α-pinene. This study aimed to investigate the effect of a direct-fed microbial blend (Pro) and FE on rumen fermentation parameters in vitro under normal and acidosis conditions.
显示更多 [+] 显示较少 [-]Molecular detection, risk factors and public awareness of avian bornavirus among captive and non-captive birds in Peninsular Malaysia
2022
Lutpi Syamsiah Mohd | Abu Jalila | Arshad Siti Suri | Rahaman Nor Yasmin
Proventricular dilatation disease (PDD) is caused by avian bornavirus (ABV) has been identified in psittacine, non-psittacine birds and waterfowl. Birds may show signs of gastrointestinal tract deficit or neurological dysfunction or even both. The objectives of this study were to determine the molecular prevalence, risk factors and public awareness of ABV and PDD among captive and non-captive birds in Peninsular Malaysia.
显示更多 [+] 显示较少 [-]Evaluation of a real-time PCR in combination with a cultivation method for the detection of Brucella abortus in organs of infected cattle in southern Italy
2022
Manzulli Viviana | Rondinone Valeria | Serrecchia Luigina | Petrella Antonio | Scaltrito Domenico | Marino Leonardo | Pace Lorenzo | Luigia Prencipe Maria | Cipolletta Dora | Nitti Mauro | Fasanella Antonio | Poppa Elena | Galante Domenico
Brucellosis is a widespread zoonosis of great economic importance for livestock farming in many areas of the world. It is a highly infectious disease which is diagnosed using conventional serological and microbiological methods. The aim of this study was to assess the efficiency of a specific real-time PCR in combination with broth cultivation in detecting Brucella spp. in organs of infected cattle, in order to compare the sensitivity of the two approaches and the time needed in them until a correct diagnosis is made.
显示更多 [+] 显示较少 [-]Vaccine-induced rabies in a red fox in Poland
2022
Smreczak Marcin | Orłowska Anna | Müller Thomas | Freuling Conrad M. | Kawiak-Sadurska Magdalena | Trębas Paweł
Rabies as a zoonosis threatens public health worldwide. Several thousand people die each year of infections by the rabies virus (RABV). Oral rabies vaccination (ORV) of wildlife was successfully implemented in many European countries and led to rabies being brought under control there. In Poland, ORV was introduced in 1993 using vaccines containing an attenuated strain of the rabies virus. However, attenuated rabies viruses may have residual pathogenicity and cause the disease in target and non-target animals.
显示更多 [+] 显示较少 [-]Potential risk of botulinum neurotoxin -producing clostridia occurrence in canned fish
2022
Jarosz Aleksandra | Grenda Tomasz | Goldsztejn Magdalena | Kozak Beata | Kwiatek Krzysztof
Heat treatment is indispensable in fish canning to provide an acceptable shelf life. Its optimisation reduces the risk of the presence of Clostridium botulinum spores, which could potentially cause botulism cases. This study evaluated canned fish samples for botulism neurotoxin (BoNT)-producing clostridia contamination and can bulging through microbiological contaminant growth. A new analytical approach was developed for detection of such clostridia and phenotypically similar species.
显示更多 [+] 显示较少 [-]Dynamics of the African swine fever spread in Poland
2022
Bocian Łukasz | Frant Maciej | Ziętek-Barszcz Anna | Niemczuk Krzysztof | Szczotka-Bochniarz Anna
African swine fever (ASF) is a lethal haemorrhagic disease of Suidae, present in Poland since 2014. The natural reservoir of ASF in Europe is the wild boar (Sus scrofa); however, human activity facilitates long-distance introductions of the disease. In ASF control it is important to identify areas at increased risk of infection. Such identification and estimation of the disease’s progress and subsequent spread will help to identify the specific preventive action needs in given zones. Serving this purpose, this study is a spatial and statistical analysis of ASF spread through noted outbreak data.
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