Descripción: “...Results: the study population was formed by 627 adverse vasovagal records, in which 65.9% (n=413) were females, the average age was 27,4 years, the average weight ofthe population was 62,4 kilograms, the moderate reaction was the most predominant with 49,2%. ...”

Descripción: “...Colorimetry was used for determining Ca, P and Mg concentration in blood and descriptive statistics were used for presenting the results. Average Ca levels (1.94 mmol/L) in cows from Pasto regarding the three production states were considered to be below the average reference value; average Ca concentration (2.3 mmol/L) was higher in Guachucal-Tuquerres. ...”