Dynamics of some biochemical indicators of blood and indicators of growth activity in quail under the influence of feed additives
https://doi.org/10.52419/issn2782-6252.2023.4.151
Abstract
The work examines the results obtained when feeding feed additives to quail. A preparation containing the bacteria Bacillus subtilis was used as a feed additive for the birds of the first experimental group; feed yeast was introduced into the diet of the experimental group; all birds received supplements starting from the first day of life. In the control group, the birds were given only the basic diet, represented by an industrial combined feed for quail, in accordance with their age. Control weighing of birds in the experimental and control groups was carried out on the 28th, 42nd and 56th days. Blood was also obtained from the axillary vein for its biochemical study. As a result of the work, it was determined that when feed additives were introduced into the diet of quails, growth and development indicators increased, namely, in the first 42 days of the experiment, there was an increase in the growth rate in the first experimental group of birds by 60.2%, in the second experimental group by 56.8 , while the growth rate of quails in the control group from the first day of the experiment was 55%. By the 56th day of the experiment, the growth of the birds had slowed down significantly and no significant differences in the dynamics of this indicator were observed. During a biochemical study of blood obtained on the 56th day of the experiment, it was determined that the experimental birds had higher concentrations of total protein, an increase in ALT activity and a decrease in AST activity.
About the Author
A. A. Nikitina
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Anastasia Al. Nikitina, PhD of Veterinary Sciences, Docent
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Review
For citations:
Nikitina A.A. Dynamics of some biochemical indicators of blood and indicators of growth activity in quail under the influence of feed additives. Legal regulation in veterinary medicine. 2023;(4):151-154. (In Russ.) https://doi.org/10.52419/issn2782-6252.2023.4.151
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