refractometer have not been reported and may also contribute to misclassification of disease risk.
The primary objective of this study was to determine the precision of STP measured using an opticalrefractometer. The secondary objective was to compare the
collection and analysis —From each dog, a 2.5-mL urine sample was obtained by cystocentesis that was performed by a veterinarian or veterinary technician. An opticalrefractometer a that was calibrated in accordance with the manufacturer's instructions prior
digital and opticalrefractometers for assessing failure of transfer of passive immunity in dairy calves J Vet Intern Med 2015 ; 29 : 721 – 726 . 10.1111/jvim.12560
7. Tyler JW Hancock DD Parish SM , et al. Evaluation of 3 assays for
opticalrefractometer. b Calibration of the refractometer was confirmed by measurement of the specific gravity of distilled water. To minimize variation, all dog samples were evaluated by 1 investigator (SAM), and all cat samples were evaluated by 2
a practical aid to the epidemiological investigation of disease in the neonatal ruminant .
22 : 177 – 179 .
Evaluation of the opticalrefractometer for lamb serum immunoglobulin
measured by an opticalrefractometer. h For the determination of glucose and lactate concentrations and LDH activity, plasma was stored at 18°C for 48 to 72 hours, and then thawed and analyzed i in an International Organization for Standardization 9001