Hemostatic alterations in pigs fed sublethal doses of Sarcocystis miescheriana

Veterinary Parasitology
A DaugschiesM Rommel

Abstract

Effects of non-lethal Sarcocystis miescheriana infections on the blood coagulation system were investigated. Nine pigs were inoculated orally with 2 X 10(5) sporocysts (Group A) and nine pigs (Group B) served as non-infected controls. Blood samples were taken from the vena jugularis externa every 2 or 3 days until 19 days post-infection (dpi). The following parameters were investigated: partial thromboplastin time (PTT), prothrombin time (PT), thrombin time (TT), thrombin coagulase time (TCT), fibrinogen (FIB), factor (F) VIII, F XI, F XII, antithrombin III (AT III), alpha 2 macroglobulin (alpha 2 MG), alpha 2 antiplasmin (alpha 2 AP), pre-kallikrein (PK), and the number of circulating thrombocytes. All infected pigs suffered from acute sarcocystiosis between 12 and 19 dpi. Clinical illness was most severe from 14 to 17 dpi. At this time, PTT and FIB increased, and TT and TCT decreased slightly. The activities of the clotting factors increased at 17 and 19 dpi. However, only F VIII activity was significantly higher in the infected pigs than in the controls at 17 and 19 dpi. PK was significantly lower in the infected pigs at 12, 14, and 17 dpi. Thrombocyte counts were reduced with the onset of the acute phase of illness and some...Continue Reading

References

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Citations

Jan 1, 1989·Parasitology Research·A DaugschiesH O Hoppen
Oct 8, 1998·International Journal for Parasitology·A DaugschiesM Rommel
Mar 1, 1994·Ryōikibetsu shōkōgun shirīzu·T Matsuda
Jul 14, 2007·Animal Genetics·G ReinerH Willems
Jan 1, 1995·Comparative Haematology International·R R de GopeguiB F Feldman

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