THE EFFECT OF A COMPLEX FEED ADDITIVE ON THE PHYSIOLOGICAL DEVELOPMENT, METABOLISM AND MEAT PRODUCTIVITY OF DUCKS

УДК: 636.087.7:636.033:636.597 DOI: 10.31588/2413_4201_1883_2_255_390

Authors

  • Sharipova D.M. FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»
  • Fayzrakhmanov R.N. FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»
  • Ezhkova A.M. FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»
  • Zinnatov F.F. FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»

Keywords:

ducks, sapropel, probiotic, growth intensity, blood

Abstract

One of the conditions for obtaining maximum poultry productivity is balanced feeding. Poultry diets are compiled based on the physiological needs of the body for nutrients. The use of antibiotics in feeding poultry leads to a violation of the microbiocenosis in the intestine. The process of restoration of normal microflora in their intestines takes several days. For effective feeding, poultry needs alternative drugs to antibiotics that have antimicrobial, growth-stimulating properties and provide immune protection of the living organism. One of the promising directions for stimulating natural resistance and increasing poultry productivity in industrial technology is the use of feed additives of natural origin. Such requirements are met by complex feed additives that participate in feed digestion, synthesis of vitamins and amino acids, as well as having an antagonistic effect on pathogenic and conditionally pathogenic microflora, stimulating the growth and development of own beneficial microflora of the gastrointestinal tract, increasing feed digestibility, activating metabolism, and increasing the immune status of the body.

The article presents the results of a study of the effect of different doses of a complex feed additive on hematological parameters, the growth rate of ducks and the safety of their livestock. It has been established that the inclusion of a complex feed additive based on sapropel and the probiotic narine in the diets of Beijing ducks of the STAR-53 cross increases the live weight by 8.4-19.2 % compared to the control bird. The best performance was achieved in ducks fed 3 % sapropel and probiotic to the dry matter of the diet. In the process of using a complex feed additive in different doses, by the end of the experiment, a gradual increase in the number of erythrocytes and leukocytes, hemoglobin and total calcium in the blood was established in comparison with control analogues.

Author Biographies

Sharipova D.M., FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»

Candidate of Biological Sciences, Assistant

Fayzrakhmanov R.N., FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»

Doctor of Biological Sciences, Associate Professor

Ezhkova A.M., FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»

Doctor of Biological Sciences, Professor

Zinnatov F.F., FSBEI HE «Kazan State Academy of Veterinary Medicine named after N.E. Bauman»

Candidate of Biological Sciences, Associate Professor

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Published

2026-08-27

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