Abstract
The aim of the present study was to examine the lipid profile, lipid fractions and the lipid peroxidation state in the blood of neutered cats with obesity and diabetes. Three groups of neutered cats (males and females) were formed for the study. We compared cats with obesity (7-9 points on a 9-point BCS scale), with obesity complicated by diabetes, and clinically healthy animals with normal body condition scores (4-5 BCS points). Lipidogram parameters, fractions of high-density lipoprotein (HDL), low-density lipoprotein (LDL) and very low-density lipoprotein (VLDL), chylomicrons (CM), lipid peroxidation products (POL) - lipid hydroperoxides (GPL) and malondialdehyde (MDA) were analysed. In obese cats, a decrease in HDL and phospholipids was observed, and an increase in LDL, VLDL, CM, triglycerides, and cholesterol. No significant differences in lipid and lipoprotein metabolism between neutered females and males were found. A tendency towards increasing concentrations of lipoproteins, triglycerides and cholesterol in males, as well as an increase in phospholipids in females was found. In cats with obesity and associated diabetes, the ratio of phospholipids: cholesterol was less than one, while in healthy cats - more than one. Obesity and diabetes initiate POL and increased concentrations of GPL and MDA, which were the highest in the blood of females with associated pathology.
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