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The prevalence of antibodies to Neospora caninum was examined in European bison (Bison bonasus bonasus L.) living in free and fenced areas in Poland. Sera of 320 European bison, different ages and sexes, from breeding areas in Poland were tested for N. caninum antibodies using ELISA test. Positive antibody responses were found in 23 bison (prevalence 7.3%).(More)
Recombinant form of Haemonchus contortus aminopeptidase H11, an intestinal membrane glycoprotein considered to be in its native form the most promising vaccine candidate, was produced in insect cells, characterised and tested in pilot vaccination-challenge trial on sheep. The sequence of the cloned gene, obtained by RT PCR isolated from adult worms, showed(More)
Nematode worms of the genus Trichinella are one of the most widespread zoonotic pathogens. Natural transmission between hosts can only occur through the ingestion of infected meat. To date, two Trichinella species are known to be etiological agents of disease among domestic animals and wildlife in Poland: T. spiralis and T. britovi. In the last decades,(More)
Limited data is available on the vertical transmission of Neospora caninum via the colostrum. The results of our previous research revealed the presence of N. caninum DNA in the milk of seropositive cows. The aim of the present work is to demonstrate parasite DNA in colostrum samples. A polymerase chain reaction using Np21 and Np6 primers was applied to DNA(More)
Peripheral blood from European bison (Bison bonasus bonasus L.) living in Białowieża Forest, north-east Poland, were investigated for the presence of antibodies to Neospora caninum and isolation of parasite. Out of 23 animals three of them showed a strong positive response to N. caninum (13%). The white blood cells from two positive and two negative bison(More)
Trichinella parasites with different epidemiological features still occur in Europe and four species of genus Trichinella have been identified: T. spiralis, T. britovi, T. nativa and T. pseudospiralis. Until now, two of them, T. spiralis and T. britovi, have been identified in Poland. In our studies we selected sequence coding for large mitochondrial rRNA(More)
A total of 181 faecal samples were collected from wild cervids in two regions of Poland. Giardia cysts were detected in one faecal specimen from red deer and in two samples from roe deer. Fragments of the beta-giardin (bg) triose phosphate isomerase (tpi) and glutamate dehydrogenase (gdh) genes were successfully amplified from the Giardia isolate obtained(More)
During the current century, 88 species of parasites have been recorded in Bison bonasus. These are 22 species of protozoa (Trypanosoma wrublewskii, T. theileri, Giardia sp., Sarcocystis cruzi, S. hirsuta, S. hominis, S. fusiformis, Neospora caninum, Toxoplasma gondii, Cryptosporidium sp., Eimeria cylindrica, E. subspherica, E. bovis, E. zuernii, E.(More)
Two different immune sera obtained from mice infected with muscle larvae (ML) of Trichinella spiralis (oral infection) or injected with 20-h-old newborn larvae (NBL) via retro-orbital venous plexus (intraocular injection) were compared in antibody-dependent cellular cytotoxicity test. Four synchronous stages of NBL, 0-2 h old, 22 24 h old, 46-48 h old and 6(More)
Serum samples from 47 free living and 106 farmed red deer (Cervus elaphus) from the Mazurian Lake District in north-east Poland were investigated for the presence of antibodies to Neospora caninum. A modified Neospora iscom-ELISA was used for initial screening. All sera with optical density (OD) values exceeding 0.400 absorbance units were further(More)