RELATIONSHIP BETWEEN BLOOD METABOLIC HORMONES, METABOLITES AND ENERGY BALANCE IN SIMMENTAL DAIRY COWS DURING PERIPARTUM PERIOD AND LACTATION

DJOKOVIĆ, RADOJICA and CINCOVIĆ, MARKO and BELIĆ, BRANISLAVA and TOHOLJ, BOJAN and DAVIDOV, IVANA and HRISTOVSKA, TALIJA (2015) RELATIONSHIP BETWEEN BLOOD METABOLIC HORMONES, METABOLITES AND ENERGY BALANCE IN SIMMENTAL DAIRY COWS DURING PERIPARTUM PERIOD AND LACTATION. PAK VET J, 35 (2). pp. 163-167.

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Abstract

The objective of the present study was to investigate the metabolic and endocrine status in Simmental dairy cows during peripartum period and mid lactation based on the relationships between blood growth hormone (GH), insulin, triiodothyrinine (T3), thyroxine (T4), glucose, beta-hydroxybutyrate (BHB), non-esterified fatty acids (NEFA), total lipid (TL), triglycerides (TG), total cholesterol, total protein (TP), albumin (ALB), urea and energy balance (EB). Fifteen late pregnant, 15 early lactation and 15 mid lactation cows were chosen for the analysis. Blood metabolic hormones, metabolites and EB were recorded. Early lactation cows had higher serum concentrations of GH, NEFA, BHB, TL and lower blood serum concentrations of T3, glucose, TG, total cholesterol, albumin and urea compared to late pregnant and/or mid lactation cows ( P<0.05)Correlations between most hormones and metabolites were dependent (P<0.05) on the EB of cows, but this factor becomes unimportant under certain circumstances, depending on lactation period. Accordingly, correlations between insulin, BHB or NEFA and other parameters were not solely dependent on the EB, which may be associated with insulin resistance and fatty liver developing in cows.

Item Type: Article
Subjects: Scientific Fields (Frascati) > Agricultural Sciences > Veterinary science
Divisions: Faculty of Veterinary Medicine
Depositing User: Mr Aleksandar Lozanovski
Date Deposited: 19 Dec 2018 11:07
Last Modified: 19 Dec 2018 11:07
URI: http://eprints.uklo.edu.mk/id/eprint/627

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