Abstract
The purpose of the study is to study the influence of different vitamin-mineral supplement “Tekro” doses on biochemical parameters in blood plasma and liver of rabbits of New Zealand breed. The research methodology is based on research according to generally accepted research methods. Biochemical parameters were studied in rabbits’ organisms at 45, 60, 75 and 90 days of rearing with feeding of different doses of vitamin-mineral supplement “Tekro”, namely 3 %, 3.5 %, 4 %. The academic novelty is that nowadays the problem of the effect of different vitamin-mineral supplement “Tekro” doses on biochemical parameters in the blood and liver of rabbits has not been studied. Analyzing the indicators of the total protein content in the blood plasma of rabbits of the experimental groups and the control one for 90 days, it was noted that there was no significant difference in the indicators. In the liver of rabbits of the age from 45 to 90 days there was a tendency to increase the protein content due to the effects on the body of various doses of vitamin and mineral supplement “Tekro”. It has been established the positive effect of vitamin-mineral supplement “Tekro” on ALT activity of rabbits in experimental groups. At the age of 75 days, significantly higher ALT activity was recorded in rabbits of the 3rd experimental group by 35.8 % compared to animals in the control group.
Highlights
In recent years, with the intensive rearing of rabbits for meat, the problem of solving a balanced diet has become urgent
Analyzing the results of studies of both domestic and foreign scientists dealing with the introduction of optimal doses of macro- and micronutrients to improve the productivity of rabbits and digestibility of nutrients in the diet, we see that this problem has not been sufficiently studied yet, and the obtained results are contradictory
The content of total protein in the blood plasma and liver of animals of the control and experimental groups tended to changes (Table 1)
Summary
With the intensive rearing of rabbits for meat, the problem of solving a balanced diet has become urgent. A large number of scientists give evidence that it is necessary to balance the diets of rabbits in terms of macro- and micronutrients (Capra et al, 2013; Zhu, et al, 2016; Lesyk et al, 2020). There are a number of data in the literature that the use of various additives in rabbits’ feeding has a positive effect on productivity, safety and reproductive function of animals (Talukder, 2013). Analyzing the results of studies of both domestic and foreign scientists dealing with the introduction of optimal doses of macro- and micronutrients to improve the productivity of rabbits and digestibility of nutrients in the diet, we see that this problem has not been sufficiently studied yet, and the obtained results are contradictory. The research aimed to determine the effect of different doses on metabolism, digestibility of nutrients and their balance in the body of rabbits is relevant (Mertin et al, 2012; Pogany Simonova et al, 2012; Mattioli et al, 2018)
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