Amino acid composition of pig blood serum depending on the breed and duration of fattening
https://doi.org/10.52419/issn2072-2419.2024.3.321
Abstract
Amino acids (AA) are the important markers of the state of protein metabolism, and therefore the study of the amino acid composition of animal tissues is an urgent task. This article presents the results of amino acid analysis of the blood serum of fattening pigs of the Landrace breed and twobreed hybrids (Landrace·Large White) depending on the duration of fattening. Fattening pigs (n=40) were divided into 6 groups depending on the breed and duration of fattening: A-2 – 60 days of fattening Landrace pigs, B-2 – 60 days of fattening F1 Landrace Large White, C-2 – 70- 80 days of fattening a Landrace pig, D-2 – 70-80 days of fattening F1 Landrace Large White, F-2 – 100 days of fattening a Landrace pig, S-2 – 100 days fattening F1 Landrace Large White. The most stable amino acids in blood levels are tyrosine, histidine, threonine, phenylalanine, glycine and proline in all studied groups of animals. According to the results obtained, changes in the AA composition of blood serum are largely due to the duration of fattening (as a one of the key feed factors) and the genotypes of animals.
Supporting agencies: The study was supported by the grant of the Russian Science Foundation No. 20-16-00032-P, https://rscf.ru/ project/20-16-00032/
About the Authors
N. S. Kolesnik
Federal Research Center for Animal Husbandry named after Academy Member L.K. Ernst
Россия
Россия
Kolesnik N.S. – Graduate Student, Junior Researcher
A. A. Zelenchenkova
Federal Research Center for Animal Husbandry named after Academy Member L.K. Ernst
Россия
Россия
Zelenchenkova A.A. – Candidate of Agricultural Sciences, Senior Researcher
S. Yu. Zaitsev
Federal Research Center for Animal Husbandry named after Academy Member L.K. Ernst
Россия
Россия
Zaitsev S.Yu. – Doctor of Biological Sciences, Doctor of Chemical Sciences, Professor, Leading Researcher
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Review
For citations:
Kolesnik N.S., Zelenchenkova A.A., Zaitsev S.Yu. Amino acid composition of pig blood serum depending on the breed and duration of fattening. International Journal of Veterinary Medicine. 2024;(3):321-328. (In Russ.) https://doi.org/10.52419/issn2072-2419.2024.3.321
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