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1

The influence of Propionibacterium granulosum on immune response of rats against infection with Trichinella spiralis

100%
Moskwa B.
Acta Parasitologica
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1996
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tom 41
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nr 3
Immune response of rats exposed to 4000 L1 T. spiralis and treated with P. granulosum was measured. Intraperitoneal injection of propionibacteria results in an increase of percentage of T lymphocytes and an activation of neutrophils. The inhibition of macrophage migration was observed till 5 DAI. In infected rats, after P. granulosum intraperitoneal injection, an increase of specific IgG₁ antibody level was not observed. The reduction of the number of muscle larvae depended on the time of P. granulosum injection after infection with T. spiralis.
2
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The significance of the level of antibodies in the evaluation of the effects of treatment of toxocariasis

100%
Malafiej E., Spiewak E.
Wiadomości Parazytologiczne
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2001
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tom 47
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nr 4
The observation of a group of 168 children treated for toxocariasis shows that the most frequent symptoms at the time of the physical examination were abdominal pains - 41 %; headache was observed in 12% cases. Eosinophilia was found in 9.2% cases. The final diagnosis was based on the results of serological investigation. The level of IgG antibodies was established by the ELISA method using the excretory - secretory antigen of Toxocara canis larvae. A few years of studies lead to the observation that after treatment the return of the level of antibodies to normal is a very slow process - positive results are found in 57% of patients even after 4 to 7 years and the decrease of the mean titre of antibodics does not exceed 45%. The observations show that examination of the level of antibodies in the way hitherto applied does not provide a satisfactory indication of the positive effect of treatment. Therefore, it is necessary to develop a system of additional laboratory tests that will altow a faster evaluation of the effects of treatment of this disease.
3

Analysis of the correlation between the level of anti-Salmonella antibodies in egg yolks and the presence of these microorganisms in egg contents following experimental infection of hens with Salmonella enteritidis and after treatment with selected antibiotics

80%
Marek A., Stepien-Pysniak D., Rzedzicki J.
Polish Journal of Veterinary Sciences
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2009
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tom 12
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nr 4
Serological tests applied in poultry flocks can be a valuable tool in assessing health of hens. One obstacle in making this assessment is that results of serological tests in a given flock are not always correlated with results of bacteriological tests. The aim of this study was to determine dependencies between the level of antibodies in egg yolk and the contamination of egg contents (whites and yolks) with Salmonella Enteritidis bacilli. Infected birds were also treated with selected antibiotics. It was determined that Salmonella Enteritidis was not found in experimentally infected laying hens until day 12 post-inoculation. The results of the study also suggest the existence of relation between the level of anti-Salmonella antibodies in egg yolks and the frequency of isolation of Salmonella from eggs. It was also found that the lowest level of yolk antibodies was found in the group of birds treated with enrofloxacin.
4

The influence of experimental Yersinia enterocolitica infection on the pregnancy course in sows - preliminary studies. II. Antibodies, C-reactive proteins and haptoglobin as an immunological response

80%
Platt-Samoraj A., Szweda W., Procajlo Z.
Polish Journal of Veterinary Sciences
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2009
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tom 12
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nr 4
The aim of the study was to determine the time of emergence and level of Y. enterocolitica antibodies in pregnant sows challenged orally with Y. enterocolitica in particular trimesters of pregnancy (groups I, II and III, respectively) and also the assignation of its influence on the CRP and Hp concentration in sera of pigs. Levels of antibodies measured by tube agglutination test increased slowly from 2 weeks post infection (wpi) and positive results were obtained not in all animals. In ELISA, in 2 weeks in all groups of infected animals high levels of antibodies against Y. enterocolitica were formed and lasted up to the end of the experiment. In newborn piglets in all groups, a significant decrease in antibody levels 6 weeks after birth was observed in both agglutination and ELISA tests. Concentrations of CRP as Hp in all groups of infected animals increased in 1 week post infection. Statistically significant differences (P ≤ 0.05) between CRP levels in groups I and II (46-fold and 44-fold) as well as III (29-fold) were revealed. In case of Hp, statistically significant differences between groups of animals in the first week post infection were not observed. Our findings indicate that Y. enterocolitica infection evoked strong and long-lasting immunological reaction in the form of specific antibodies production in all inoculated animals. The significant increase in CRP and moderate increase in Hp concentrations in the sera of pregnant sows also occurred. However, relationships between colostrums antibody levels in piglets’ sera and phase of pregnancy when the Y. enterocolitica infection happened in sows were not observed.
5
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A survey of anti-Ostertagia ostertagii antibody levels in bulk tank milk samples (BTM) in dairy herds in Lower Silesia Region (Poland)

80%
Ploneczka-Janeczko K., Piekarska J., Rypula K., Mazurkiewicz M.
Polish Journal of Veterinary Sciences
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2011
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tom 14
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nr 1
This work presents serological evidence of cattle ostertagiosis in the Lower Silesia Region (Poland), based on the measurement of antibodies in bulk tank milk (BTM) samples. It represents the first evidence of this parasite examined with the use of the ELISA test and milk samples in Poland. The prevalence of Ostertagia ostertagii antibodies was determined in BTM from 32 dairy cattle herds. Antibodies to O. ostertagii were demonstrated in all herds. The optical density ratio (ODR) varied from -0.088 to 1.024. The mean ODR value in the examined region was 0.53.
6

Wpływ różnych metod szczepień przeciw rzekomemu pomorowi drobiu na kształtowanie się poziomu przeciwciał u kur niosek utrzymywanych systemem klatkowym

51%
Janowska I., Kolodziej H., Krasnodebska-Depta A., Koncicki A., Matuszewska E.
Acta Academiae Agriculturae ac Technicae Olstenensis. Veterinaria
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1990
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tom 19
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