The effect of citrate Se on the biochemical parameters of rabbit blood
DOI:
https://doi.org/10.31210/spi2026.29.01.36Keywords:
selenium, rabbits, nanotechnology, catalase, superoxide dismutase, lipid hydroperoxides, malondialdehyde (MDA) productsAbstract
The research was conducted at a private rabbit farm on young rabbits of the Termon breed (Hylla). The rabbits were grouped according to similar characteristics (age, body weight, clinical condition) into groups of 5–6 animals, with an average body weight of 1,000–1,200 g. Selenium citrate was obtained from Nanomaterials and Nanotechnologies LLC, Kyiv. At 45 days of age, the animals were divided into four groups: a control group and three experimental groups. The rabbits in the control group were fed a standard pelleted feed and given unlimited access to water in accordance with current regulatory requirements for the feeding and housing of rabbits in commercial settings. The experimental group, in addition to and drinking water, received an aqueous solution of nanotechnology-based selenium citrate at a concentration of 50 μg Se/L throughout the day. Accordingly, the second experimental group received selenium citrate at a concentration of 100 μg Se/L; the third experimental group received selenium citrate at a concentration of 200 μg Se/L. During the experimental period (on days 15 and 30 of the study), daily monitoring was conducted to assess survival, growth rate, and development. Parameters of the platelet component of hemostasis (platelet count, mean platelet volume, hematocrit, platelet distribution width) and the antioxidant system (GPL, TBA-active products, SOD, catalase) in rabbit blood plasma were determined using standard methods. The administration of selenium citrate at concentrations of 50, 100, and 200 μg Se/L resulted in an increase in platelet parameters in the blood of the experimental groups of rabbits, accompanied by a decrease in lipid peroxidation products. The addition of selenium citrate to the rabbits’ diet was associated with increased activity of antioxidant defense enzymes in their blood throughout the study period, with a statistically significant increase in catalase activity (P<0.05–0.001) in the blood of rabbits in the experimental groups on days 15 and 30 of the study and superoxide dismutase (P<0.05) in animals in the experimental groups on day 30 of the study. The inclusion of selenium citrate in the rabbits’ diet contributed to a reduction in blood cholesterol levels: by day 15, cholesterol levels in animals from experimental groups II and III were 1.6 and 1.4 times lower, respectively (P<0.05), and on day 30 – by 22.8 % and 30.1 % (P<0.05) compared to the control group.
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