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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)
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)
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)
The number of nematode eggs in the faeces was estimated in Polish Wrzosówka sheep, in the spring and autumn of 1993 and again in 1994. The sheep had been naturally infected. The dominant species were Haemonchus contortus and Teladorsagia circumcincta, but Trichostrongylus spp., Cooperia curticei, Nematodirus spp. and Chabertia ovina were also present.(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)
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)
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)
Trichinella spiralis infection results in the transformation of muscle cells into a new, non-muscular cell called the nurse cell, and the nurse cell-muscle larva complex is finally created. To investigate whether T. spiralis infectivity is NBL age-dependent, five groups of synchronous newborn larvae (sNBL) were obtained at 1, 9, 24, 48, and 72 h of age and(More)