Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/13714
Title: Biological variations of hematologic and biochemical parameters in cows during early lactation
Authors: Kovačević, Vlado
Cincovic M.
Belic B.
Đoković R.
Lakić I.
Radinovic M.
Potkonjak, Aleksandar
Journal: Polish Journal of Veterinary Sciences
Issue Date: 1-Jan-2021
Abstract: The aim of the study was to determine biologic variations of the main parameters in cows in early lactation and to compare intra-individual variations of parameters in cows and other species. 50 cows were included in the experiment. Blood samples were taken at the moment of calving, then on 1st, 7th, 14th and 28th day after calving. CVi had the following values: 1.9-5% for MCV, MCH, MCHC, GLU, TProt, ALB, UREA, Ca, P and Mg; 5.1-10% for RBC, Hgb, Hct, WBC, NEU, LYM, BHB, ALT, CHOL, TGC and >10% for PLT, NEFA, TBil, AST and GGT. For RBC, Hgb, Hct, MCV, MCH subject-based reference values or the reference change value should be used. For all other parameters except AST, population-based reference intervals should be used with caution. For LYM, NEU, PLT, GLU, TProt, ALB, CHOL and TGC index of individuality was close to 0.6 which means that subject-based reference values can be much more adequate to use then population-based reference intervals. For AST population-based intervals should be used. There is little effect of parity (increase CVi with parity) and no effect of milk production. CVi values obtained in cows in early lactation are specific because they deviate from the CVi values of other animal species and human. Calculated RCVs varied from 5.5% for MCHC to 41% for AST. High individuality index for many metabolic parameters opens possibility for development of model for longitudinal monitoring of metabolic status of individual animals during lactation. That requires further research.
URI: https://scidar.kg.ac.rs/handle/123456789/13714
Type: Article
DOI: 10.24425/pjvs.2021.136800
ISSN: 15051773
SCOPUS: 85104316522
Appears in Collections:University Library, Kragujevac
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