The objective of the investigation consisted on determining the epidemic clinical incidence of the Distemper canine in mongrel dogs infested with the stump VDC SA3 in the Guaranda Canton, Bolívar Province, Ecuador. The investigation was developed in the Veterinary hospital "Canine and Felines" of Guaranda, during the period understood among the years 2013 at the 2015. The study embraced a total sample of 1 970 canines for the clinical diagnosis of the illness, while in the case of the mestizo dogs, 24 canines was used, of 3 at 8 months of age and 2 to 10 kg of weight live; divided in two groups of 12 animals, six male and same quantity of females. A group was conformed by healthy animals and the other one by dogs affected by Distemper. They were kept in mind inclusion approaches, exclusion and of exit. The determination of the age of the animals, the race and the clinical diagnosis of the D. caninewas carried out for the test of PCR. To each animal in the study was determined the profile hematoquímico, platelets, total proteins, glucose, urea, creatinine and uric acid. The obtained data were processed keeping in mind the pattern Box-Jenkins/ARIMA and he/she was carried out the estimate of the values of the parameters autoregressives. The descriptive statisticians of each variable were used and they were compared between healthy and sick by means of a t-Student test for independent samples. In the prosecution of the data the statistical package Statgraphics Centurion was used to see. XV.II. The affection for Distemper canine one of the main consultation reasons represented during the period 2013-2015. The illness had an endemic and seasonal behavior. The factors of risk associated to the Distemper canine were: the non-vaccination, the age, the sex, the summer, the residence in area perurban and the non-confinement of the animals. The entirety of the dogs presented hyperthermia and the anorexy was present in 11 of the affected dogs. You conclude that the clinical square in mestizo dogs infected with the stump SA3 of the VDC commits the conservation of species threatened due to its towering lethal drastically, where the incidence for Distemper canine is a problem of health in the population of canine of the Guaranda canton.
