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When evaluating published studies on the production of platelet-rich plasma (PRP), it is possible to observe that there is no consensus on when blood should be collected and processed. Some perform blood collection before surgery, prior to the administration of drugs, fluids, or any surgical trauma, while others collect blood during the perioperative period. The present objective was to determine the best moment for PRP production based on the platelet count. Blood samples were collected from 20 healthy female dogs at two distinct moments: before surgery, prior to anesthesia and fluid therapy (M0), and later, in the operation room, after administration of the anesthetics and intravenous fluids (M1). To obtain PRP, blood was centrifuged at 1200 rpm for ten minutes, then at 1600 rpm for ten minutes. Results showed that the blood collected at M1 had a 29% decrease in platelet count compared to M0 (highly significant statistical difference). It is recommended that blood collection, which is an essential step for producing platelet-rich plasma, shall be done during the pre-operative period.

One of the ways of monitoring the glucose concentration in the blood is with a portable device, known as glucometer. The equipment, developed to measure the glycemia of human patients, was used in this experiment with the purpose of verifying if the results of samples of dogs’ blood are also reliable. To perform the exam a drop of capillary blood from the ear of 36 dogs was collected. The mean variation when comparing the glucometer and the laboratorial reference method was 7.90%, being this result within the patterns established by regulatory organs of the area, such as the American Diabetes Association (ADA). It was concluded that the portable glucometer is a reliable tool to dose and/or monitor dogs glycemia, having as advantages the practicality and speed for obtaining the results. Keywords: Dog, glycemia, monitoring.