Abstract
Experimental data were obtained on the effect of feeding a phytonutrient based on Hungarian sainfoin on the biochemical, hematological parameters of blood, on the natural resistance and dynamics of the live weight of heifers. As a result of feeding the phytonutrient based on Hungarian sainfoin, the blood parameters of heifers of the experimental groups were higher than those of the control group. There was also a better development of the heifers of the experimental groups compared to the control group.
Highlights
The requirements for product quality have increased, in animal husbandry there is a task in finding new or well-forgotten old products of natural origin containing various biologically active substances that replace some of the antibiotics used in treatment and prevention, as well as in improving the genetic potential of productivity of farm animals against the background of progressive technologies [1]
Back in the middle of the twentieth century, feed antibiotics were used in all branches of animal husbandry, but over time they had to be abandoned either completely or partially, since they formed toxic compounds in the body, thereby excluding a positive effect for both animals and people who consumed their products [2, 3]
In connection with this problem, for the last time, or rather about 30 years, there has been an active study of medicinal plants that have vitamins, flavonoids, amino acids, etc. in their composition [4]
Summary
The requirements for product quality have increased, in animal husbandry there is a task in finding new or well-forgotten old products of natural origin containing various biologically active substances that replace some of the antibiotics used in treatment and prevention, as well as in improving the genetic potential of productivity of farm animals against the background of progressive technologies [1]. Back in the middle of the twentieth century, feed antibiotics were used in all branches of animal husbandry, but over time they had to be abandoned either completely or partially, since they formed toxic compounds in the body, thereby excluding a positive effect for both animals and people who consumed their products [2, 3] In connection with this problem, for the last time, or rather about 30 years, there has been an active study of medicinal plants that have vitamins, flavonoids, amino acids, etc. The purpose of the research was to study the effect of the phytonutrient based on Hungarian sainfoin on the growth and development of calves of the dairy period, as well as on morphological and biochemical blood parameters and natural resistance of the animal body. Research tasks: 1. to study the morphological and biochemical parameters of blood and natural resistance; 2. to define the effect of the phytonutrient on the dynamics of live weight
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