Prevalencia de mastitis subclínica en el ganado bovino, mediante la prueba California Mastitis Test, en el cantón Rocafuerte de la provincia Manabí, Ecuador

The present study was carried out in the canton Rocafuerte, belonging to the central area of the Manabí province. The objective was to determine the prevalence of subclinical mastitis in cattle. To this end, a total of 280 cows were milked for 6 months in several randomly selected bovine herds. To know the prevalence of subclinical mastitis, the California Mastitis Test (CMT) was performed. The results of the study showed that there is a prevalence of subclinical mastitis in cows of 38.57%, in the fourth mammary quarters a 15.76% prevalence of subclinical mastitis was found; in the individual rooms a prevalence of subclinical mastitis was found between 12.86- 19.29%. When comparing proportions, it was established that the highest percentage 30.68% of breast rooms affected by subclinical mastitis corresponded to the right posterior position (CPD), in relation to the left posterior position (CPI), finding a significant difference (p