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2012 | 56 | 1 |

Tytuł artykułu

Concentrations of proinflammatory mediators of the arachidonic acid cascade in serum of sheep with natural zearalenone intoxication

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The clinical form of natural zearalenone intoxication was observed in sheep that were kept indoors and fed a constant diet of feed concentrates containing high concentrations of zearalenone and its metabolite α-zearalenol. The clinical form of the disease was not noted in the control group, consisting of sheep that were kept on a pasture from spring to late autumn; only in the winter they were fed wheat pellets, in which the zearalenone concentration was determined to be the lowest among all used feed concentrates. During the course of natural zearalenone intoxication, metabolism of arachidonic acid increased, mainly due to enzymes of the cycloow genase group, which are responsible for the generation of prostaglandin F₂ₐ and thromboxane B₂, and an increase in their concentration. Increased production of F₂ₐ and B₂ was closely correlated with the serum level of SAA, an indicator of the intensity of the inflammatory reaction. This indicates that both compounds participated in the development of inflammatory reactions in the terminal end of the digestive tract that accompanied zearalenone intoxication in sheep. The imbalances noted between the eicosanoid classes investigated in this study were fundamentally responsible for the development of clinical symptoms in sick sheep that showed symptoms of partial or total prolapse of the anus and rectum and prolapse of the large intestine, which were the direct cause of the animals death.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

56

Numer

1

Opis fizyczny

p.75-81,fig.,ref.

Twórcy

autor
  • 1Department of Cattle and Sheep Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland
autor
autor
autor

Bibliografia

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  • 13. Gajęcka M., Janowski T., Jakimiuk E., Zielonka L., Podhalicz-Dzięgielewska M., Obremski K., Gajęcki M.: Influence of long-term zearalenone intoxication on the concentration of progesterone and 17ß-oestradiol in blood plasma in bitches. Bull Vet Inst Pulawy 2008, 52, 405-409.
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  • 15. Kostro K., Bednarek D., Aleksiewicz R., Jarosz Ł., Lisiecka U., Żmuda A., Wojtaszczyk P.: Serum amyloid A concentrations and lysozyme bacteriolytic activity in the serum of sheep with natural zearalenosis. Bull Vet Inst Pulawy 2010, 54, 383-388.
  • 16. Kostro K., Gajęcka M., Lisiecka U., Majer-Dziedzic B., Obremski K., Zielonka Ł., Gajęcki M.: Subpopulation of lymphocytes CD4+ and CD8+ in peripheral blood of sheep with zearalenone mycotoxicosis. Bull Vet Inst Pulawy 2011, 55, 241-246.
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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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