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Czasopismo
1996 | 41 | 3 |
Tytuł artykułu

Immunisation of nematode resistant or susceptible Romney lambs with Oxfendazole abbreviated infections against pasture challenge

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Two groups of 7 month old pastured Romney lambs selectively bred for either low (resistant - R) or high (susceptible - S) faecal worm egg count (FEC) were immunised while on pasture by two Oxfendazole abbreviated (15 days) artificial infections of firstly 40,000 Trichostrongylus colubriformis and 20,000 Ostertagia circumcincta and secondly 60,000 T. colubriformis and 30,000 O. circumcincta larvae. Two similar groups were not immunised. All were subsequently grazed together under natural challenge. A significant reduction in FEC was achieved as a result of immunisation of both low and high FEC groups. However, although the two groups of R genotype lambs had a significantly lower worm burden than the S lambs, for each genotype there was no difference in worm burden between the immunised and non-immunised groups. None of the immunological parameters measured [antibody level against excretory/ secretory antigens from infective larvae and adults, response of mesenteric lymph nodes cells to concanavalin A (Con A), lipopolysaccharide (LPS) or T. colubriformis antigen] were found to be associated with the reduction in FEC. Immunised resistant (low FEC) lambs had a significantly higher liveweight gain over the post-immunisation period than the non-immunised resistant lambs.
Wydawca
-
Czasopismo
Rocznik
Tom
41
Numer
3
Opis fizyczny
p.159-165,fig.
Twórcy
autor
  • W. Stefański Institute of Parasitology, Polish Academy of Sciences, L.Pasteur 3, S.p.153, Warszawa, Poland
  • AgResearch, Wallacevile Animal Research Centre, P.O. Box 40063, Upper Hutt, New Zealand
autor
  • AgResearch, Wallacevile Animal Research Centre, P.O. Box 40063, Upper Hutt, New Zealand
autor
  • AgResearch, Wallacevile Animal Research Centre, P.O. Box 40063, Upper Hutt, New Zealand
autor
  • AgResearch, Wallacevile Animal Research Centre, P.O. Box 40063, Upper Hutt, New Zealand
autor
  • AgResearch, Wallacevile Animal Research Centre, P.O. Box 40063, Upper Hutt, New Zealand
Bibliografia
  • Barger I. 1995. Control strategies minimising the use of anthelmintics. Proceeding of 25th Sheep and Beef Cattle Seminar. Publication No. 165. Veterinary Continuing Education Massey University, Palmerston North, New Zealand, 59-92.
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  • Bisset S. A., Vlassoff A., Douch P. G. C., Jonas W. E., West C. J., Green R. S. 1996. Nematode burdens and immunological responses following natural challenge in Romney lambs selectively bred for low or high faecal worm egg count. Veterinary Parasitology, 61, 249-263.
  • Brunsdon R. V. 1972. Inhibited development of Ostertagia spp. and Cooperia spp. in naturally acquired infections in calves. New Zealand Veterinary Journal, 20, 183-189.
  • Brunsdon R. V. 1988. The economic impact of nematode infections in sheep: implications for future research and control. In: The economic importance of parasites of livestock in New Zealand, (Ed. A. C. G. Health). New Zealand Society for Parasitology, Miscellaneous Publication, 1,4—16.
  • Cabaj W., Stankiewicz M., Jonas W. E., Moore L. G. 1994. Fenbendazole and its effect on the immune system of the sheep. New Zealand Veterinary Journal, 42, 216-220.
  • Cabaj W., Stankiewicz M., Pernthaner A., Jonas W. E. 1995. Blastogenic responses of lymphocytes from sheep experimentally infected with Trichostrongylus colubriformis. Acta Parasitologica, 40, 47-52.
  • Douch P. G. C., Green R. S., Morris C. A., Bisset S. A., Vlassoff A., Baker R. L., Watson T. G., Hurford A. P., Wheeler M. 1995. Genetic and phenotypic relationships among anti-Trichostrongylus colubriformis antibody level, faecal egg count and body weight traits in grazing Romney sheep. Livestock Production Science, 41, 121-132.
  • Emery D. L., McClure S. J., Wagland B. M., Jones W. O. 1992a. Studies of stage specific immunity against Trichostrongylus colubriformis in sheep: Immunization by normal and truncated infections. International Journal for Parasitology, 22, 215-220.
  • Emery D. L., McClure S. J., Wagland B. M., Jones W. O. 1992b. Studies of stage specific immunity against Trichostrongylus colubriformis in sheep: Immunization with adult parasites. International Journal for Parasitology, 22, 221-225.
  • Garrick D. J., Blair H. T., Bisset S. A. 1992. Selection of Romney sheep grazing nematode infested pasture. Proceedings of the Australian Association of Animal Breeding and Genetics, 10, 448-451.
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  • Pernthaner A., Stankiewicz M., Bisset S. A., Jonas W. E., Cabaj W., Pulford H. D. 1995a. The immune responsiveness of Romney sheep selected for resistance or susceptibility to gastrointestinal nematodes: Lymphocyte blastogenic activity, eosinophilia and total white blood cell counts. International Journal for Parasitology, 25, 523-529.
  • Pernthaner A., Stankiewicz M., Cabaj W., Jonas W. 1995b. Immune responsiveness of Romney sheep selected for resistance or susceptibility to gastrointestinal nematodes: field studies. Veterinary Immunology and Immunopathology, 48, 97-103.
  • Pernthaner A., Stankiewicz M., Cabaj W., Pfeffer A., Green R. S., Douch P. G. C. 1996. Immune responsiveness of nematode- resistant or susceptible Romney line-bred sheep to continuous infection with Trichostrongylus axei. Veterinary Immunology and Immunopathology, 51,137-146.
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  • Stankiewicz M., Jeska E. L. 1990. Evaluation of pyrantel-tartarate abbreviated Ascaris suum infections for the development of resistance in young pigs against migrating larvae. International Journal for Parasitology, 20, 77-81.
  • Stankiewicz M., Cabaj W., Jonas W. E., Moore L. G., Chie W. Ng. 1994. Oxfendazole treatment of non-parasited lambs and it effect on the immune system. Veterinary Research Communications, 18,7-18.
  • Stankiewicz M., Cabaj W., Pernthaner A., Jonas W., Rabel B. 1996a. Drug-abbreviated infections and development of immunity against Trichostrongylus colubriformis in sheep. International Journal for Parasitology, 26, 97-103.
  • Stankiewicz M., Cabaj W., Pernthaner A., Hadas E. 1996b. Immunization of sheep by drug-abbreviated infection of Ostertagia circumcincta and Trichostrongylus colubriformis against field challenge of gastro-intestinal nematode. Veterinary Parasitology, (in press).
  • Stankiewicz M., Jonas W. E., Douch P. C. G., Rabel B., Bisset S., Cabaj W. 1993. Globule leukocytes in the lumen of the small intestine and the resistance status of sheep infected with parasitic nematodes. Journal of Parasitology, 79, 940-945.
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-article-73ffe64d-bd41-4fae-bb00-7ce31530905e
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