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Tytuł artykułu

Wybrane parametry odpowiedzi immunologicznej owiec rasy Wrzosowka przeciw inwazji nicieni zaladkowo-jelitowych

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The paper presents different aspects of natural gastrointestinal nematode infection in this primitive, prolific Polish Wrzosówka breed of sheep. The study was carried out on the flock located at the farm run by Warsaw Agricultural University at Żelazna (central Poland) in 1995-1998. Egg counts per gram of faeces, larval differentiation, total white blood cell counts, blood eosinophil counts, interleukin-5 concentration, lymphocyte blastogenic activity and IgG immune response were discussed. The egg counts were overdispersed and followed a different pattem each grazing season. The larvae obtained from faecal culture belonged to 6 categories: Trichostrongylus spp., Haemonchus contortus, Teladorsagia spp., Cooperia spp., Chabertia ovina/Oesophagostomum spp. and Nematodirus spp. However there were no discemible pattems in the com position of nematode population over time. Data analyses have shown that egg counts, eosinophil counts, IL-5 concentration and IgG level in different months each year were repeatable. The results obtained in two divergent groups of sheep, chosen for consistently low or high faecal egg counts have been presented also. Polish Wrzosówka breed of sheep is under conservation breeding program based mainly on the markers of breed standard. The results obtained in this study revealed that some parasitological, haematological and immunological parameters should be added to this program.

Wydawca

-

Rocznik

Tom

46

Numer

1

Opis fizyczny

s.141-148,bibliogr.

Twórcy

autor
  • Instytut Parazytologii PAN, Twarda 51/55, 00-332 Warszawa
autor

Bibliografia

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  • DESREUMAUX P., JANIN A., DUBUCQUOI S., COPIN M. C., TORPIER G., CAPRON A., CAPRON M., PRIN L. 1993. Synthesis of interleukin-5 by activated eosinophils in patients with eosinophilic heart diseases. Blood 82: 1553-1560.
  • DOLIGALSKA M., MOSKWA B., NIŻNIKOWSKI R. 1997. The repeatability of faecal egg counts in Polish Wrzosówka sheep. Vet. Parasitol. 70: 241-246.
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  • - 1999b. The immune response against gastrointestinal nematodes in naturally infected Polish Wrzosówka sheep. II. The serum IgG response to nematode somatic antigens in young ewes over three grazing seasons. Acta Parasitol. 44: 274-280.
  • CHARON M., CABAJ W. 1999c. Relationship between faecal egg output and the expression of haematological parameters in Polish Wrzosówka ewes naturally infected with gastrointestinal nematodes. Helminthologia 36: 91-96.
  • - - - RUTKOWSKI R. 1998a. The mean, distribution and repeatability of faecal egg counts in Polish Wrzosówka ewes following natural gastrointestinal nematode infection during two pasture seasons. Acta Parasitol. 43: 94-99.
  • - DOLIGALSKA M., CABAJ W. 1998b. The repeatability of haematological and parasitological parameters in Polish Wrzosówka hoggets naturally infected with trichostrongylid nematodes. Acta Parasitol. 43: 148-153.
  • NIŻNIKOWSKI R. 1994. Chów owiec. PWRiL, Warszawa
  • - 1997. Badania nad wartością rzeźną i jakością mięsną wzrosówek w porównaniu z owcami innych genotypów. W Rola i znaczenie chronionych przed wyginięciem ras i odmian owiec. Fundacja Rozwój SGGW, 70-89.
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  • PERNTHANER A., STANKIEWICZ M., BISSET S. A., JONAS W. E., CABAJ W., PULFORD H. D. 1995. The immune responsiveness of Romney sheep selected for resistance or susceptibility to gastrointestinal nematodes: lymphocyte blastogenic activity, eosinophilia and total white blood cell counts. Int. J. Parasitol. 25, 523-529.
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  • ROTHWELL T. L. W., WINDON R. G., HOSBURG B. A., ANDERSON B. H. 1993. Relationship between eosinophilia responsiveness to infection with Trichostrongylus colubriformis in sheep. Int. J. Parasitol. 23: 203-21 I.
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  • STANKIEWICZ M., CABAJ W., PERNTHANER A., JONAS W. E., RABEL B. 1994. Drug-abbreviated infections and development of immunity against Trichostrongylus colubriformis in sheep. Int. J. Parasitol. 26: 97-103.
  • STEAR M. J., BAIRDEN K., BISHOP S. C., BUITKAMP J., DUNCAN J. L., GETIINBY G., MCKELLAR Q. A., PARK M., PARKINS J. J., REID S. W. J., STRAIN S., MURRAY M. 1997.The genetic basis of resistance tu Ostertagia circumcincta in lambs. Vet. J. 154: 111-119.
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Bibliografia

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