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The aim of the study was to determine the influence of various doses of lipopolysaccharides (LPS) on the phagocytic activity of neutrophils in 12 clinically healthy mares. Three mares were regarded as the controls; the experimental groups consisted of the remaining animals divided into 3 groups of 3 mares each. All experimental animals were treated with intravenous infusion at doses of 0.02, 0.05,...
In the present study field strains of equine herpesvirus 1 (EHV 1) were compared by restriction enzyme analysis. The strains were isolated from aborted fetuses in a horse stud during an abortion outbreak in 1993/1994. We found that all isolates had the same electrophoretic patterns of EHV 1 type, very similar to the pattern of the reference Ab-4 strain of EHV 1. We confirmed also the usefulness of...
This work aimed to assay the physiological values of basie blood coagulation indices and to determine the influence of breed on their range. Studies involved 105 horses of 6 breeds: Arabians, Thoroughbreds, Great Polish, Pony, Polish Primitive Horses and other breeds. It was found that under physiological conditions a mean coagulation time, kaolin-cephalin time, prothrombin time and thrombin time...
The studies aimed to induce endotoxin tolerance in horses and to evaluate this state with regard to clinical observations. Investigations involved 8 clinically healthy mares subjected to 4 iv. injections with 0.1 μg/kg b.w. doses of LPS from E. coli each; the three fast doses (LPS-1, LPS-2, and LPS-3) were given daily whereas the fourth injection (LPS-4) was performed one week after LPS-3. Rectal...
The subjects were 13 horses, of which 5 clinically healthy ones were infected intranasally and intraconjunctivally with a suspension of two subtypes of the influenza virus: A/equi/1 and A/equi/2, and 3 were control animals. The remaining 5 horses became ill in a natural way. In the early phase of injection, the haematological determinations showed in the experimental horses a decrease in the lcucocyte,...
The subjects were 8 clinically healthy Polish Primitive Horses at 2-9 years of age. The horses were given E.coli LPS four times, in a dose of 0.1 μg/kg.b.w.; 3 times at 24 hour intervals (LPS-1 , LPS-2, LPS-3 ), and one week after the last infusion (LPS-4). The result analysis indicated that the applied endotoxin dose caused development of tolerance mechanisms related to the platelet count. This phenomenon...
The magnesium concentration in blood serum and seminal plasma from 70 stallions of Thoroughbred, Great Polish Horses and Polish Primitive Horses in relation to semen characteristics was determined by atomic absorption spectrometer method. The mean (± S.D.) concentration of Mg in stallion in the breeding season was 0.83 ± 0.09 mmol/l in the blood serum and 3.13 ± 1.27 mmol/l in the seminal plasma....
The aim of the study was to evaluate the Fe, Zn and Cu concentration changes in the course of endotoxin tolerance in horses. The study involved 8 clinically healthy mares subjected to 4 iv. injections with 0.1 μg/kg b.w. of LPS from E.coli - three times at 24 hour intervals (LPS-1, LPS-2, LPS-3) and one injection a week after the last injection (LPS-4). Rectal temperature measurements and blood sampling...
Ten clinically healthy stallions (Polish Primitive Horses) were used in the study. Experimental stallions (n=6) were administered IM with a single dose (0.069 mg/kg b.w.) of dexamethasone (Dexafort). The remaining stallions served as controls. The concentration of total protein (TPR) and iron (Fe) and activity of alkaline phosphatase (ALP) were determined in the seminal plasma. The study showed increased...
The endoparasites of horses and donkeys of different ages from the Konya region in Turkey, between May 2003 and June 2005 were determined. The samples of fresh faeces were collected from 111 horses and 81 donkeys and sent to diagnostic laboratories for the examination by floatation, sedimentation, and Baermann-Wetzel methods. In addition, faecal cultures were prepared for the differentiation of larvae...
The research material consisted of 850 two-year-old Thoroughbred horses of both sexes representing Polish breeding. The animals came to Race Track in Służewiec to participate in trainings. The animals were observed for the incidence of trauma during the period of four years: from the middle of December 1985 to the end of December 1989. On the basis of the observations, leg injuries were recognised...
The study included 114 clinically healthy horses representing different groups: breeding horses (27), recreation horses (22), and sport horses (65). The group of sport horses consisted of racehorses (11), trotters (15), jumping horses (25), and driving horses (14). The peripheral blood samples collected three times: before exercise, immediately after exercise, and after 30-min rest were examined for...
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