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  • Title: Platelet function testing in the pony.
    Author: Boudreaux MK, Wagner-Mann C, Purohit R, Hankes G, Spano J, Pablo L, Lee S, Conti J.
    Journal: Lab Anim Sci; 1988 Aug; 38(4):448-51. PubMed ID: 3184855.
    Abstract:
    Platelet isolation techniques and platelet function were evaluated in 35 adult ponies. Platelet recovery from whole blood was consistent and the preparation of platelet rich plasma was facilitated by an enhanced erythrocyte sedimentation rate. All platelet samples aggregated in response to 10 microM ADP. However, concentrations of ADP as high as 100 microM did not elicit significant 14C-serotonin release. Collagen induced irreversible platelet aggregation and 14C-serotonin release in all samples. The threshold dose for collagen in most ponies was 1.5 micrograms. Arachidonic acid (500 microM) failed to induce irreversible platelet aggregation or 14C-serotonin release in any of the samples evaluated. Pony platelets were nonresponsive to epinephrine (5.5 microM).
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