Uticaj telesne kondicije junica na koncentraciju glukoze, beta-hidroksibutirata i aktivnost glutation-peroksidaze

Abstract

Cilj ovog rada je bio da se utvrdi da li postoje promene u koncentraciji glukoze, beta-hidroksibutirata (BHB) i aktivnosti glutation-peroksidaze (GPx) u zavisnosti od telesne kondicije kod junica. Junice su na osnovu telesne kondicije (TK) svrstane u dve grupe: 1. TK=3,75 i 2. TK ≥4,0. U ogledu je korišćena puna krv 23 junice uzeta 1-10 dan nakon partusa. Koncentracije glukoze i BHB određivane su odmah po uzorkovanju krvi, a aktivnost GPX određivana je nakon 24 sata. Junice sa većom telesnom kondicijom imale su statistički značajno veću prosečnu koncentraciju BHB i aktivnost GPX. Prosečna koncentracija glukoze u obe grupe se nije razlikovala.

The aim of this study was to establish if there are differences in glucose and ß-hydroxybutyrate (BHB) concentrations as well as glutathione peroxidase (GPx) activity related to the body condition in heifers. Based on the body condition (BC), heifers were divided into two groups: 1. BC=3.75 and 2. BC≥4.0. Whole blood samples from 23 heifers, taken between day 1 and day 10 after parturition, were used in the study. Glucose and BHB concentrations were determined immediately after sampling, while GPx activity was determined 24 hours after that. Heifers with higher body condition had significantly higher average BHB concentration and GPx activity. Average glucose concentrations did not differ between groups.