Comparative characteristics of breeding sheep of the Kalmyk fat-tailed breed
https://doi.org/10.53315/2949-1231-2022-1-1-45-53
Abstract
Sheep breeding plays an important role in the economy of the republic. Therefore, the preservation of the gene pool of Kalmyk sheep and the improvement of their productive qualities is an urgent topic of study.
The research was carried out in the laboratory of general genetics and biochemistry of the regional research and production center for the reproduction of farm animals and the organization of the evaluation of animal producers.
The groups were determined by 14 antigens according to the generally accepted method.
Biochemical parameters and mineral composition of blood were determined on a semiautomatic analyzer Stat Fox 1904+ manufactured by Awareness Technology Inc., USA.
The genetic structure of sheep populations has shown the commonality and variability of the frequency of antigens. High values are characterized by Cb systems C (0.65) and O systems R (0.62), low Mb systems M and Ca, Bi (0.34; 0.35). The greatest difference exists between the sheep population in LLC “Agrofirma Aduchi” and other populations. The genetic distance is 0.0495 – 0.0733, the sheep populations of LLC “Agroprominvest” and LLC “Baska”, SEC “Harba” are closer (0.0002, 0.0011).
The studied livestock differed in biochemical parameters. Thus, in Agrofirma Aduchi LLC, more than one third of the animals (37%) had a serum protein level higher or equal to the average for the herd, amounting to 68.9 -72.1 g/l, compared to 68.9 g/l in SEC “im. Chapchaeva”, the level of total protein above the average value for the herd was almost half of the animals (n=6, 43%): 20,6-73,7 g/l, versus 70.4 g/l (P>0.95). As a rule, the activity of ALT, AST and alkaline phosphatase in these animals was higher (P>0.99).
About the Authors
L. G. Moiseikina
Kalmyk State University named after B.B. Gorodovikov
Russian Federation
Russian Federation
Doctor of Biological Sciences, Professor
Elista
B. K. Bolaev
Kalmyk State University named after B.B. Gorodovikov
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, Professor
Elista
A. V. Ubushieva
Kalmyk State University named after B.B. Gorodovikov
Russian Federation
Russian Federation
senior lecturer
Elista
N. V. Chimidova
Kalmyk State University named after B.B. Gorodovikov
Russian Federation
Russian Federation
Candidate of Biological Sciences, Associate Professor
Elista
D. X. Mandzhiev
Kalmyk State University named after B.B. Gorodovikov
Russian Federation
Russian Federation
bachelor
Elista
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Review
For citations:
Moiseikina L.G., Bolaev B.K., Ubushieva A.V., Chimidova N.V., Mandzhiev D.X. Comparative characteristics of breeding sheep of the Kalmyk fat-tailed breed. The Agriculture and Ecosystems in Modern World: Regional and Inter countries’ research. 2022;1(1):45-53. (In Russ.) https://doi.org/10.53315/2949-1231-2022-1-1-45-53
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