Selection-genetic parameters of Landrace pigs at breeding enterprises of the Republic of Belarus
I. P. Sheiko,
R. I. Sheiko,
N. V. Pristupa,
E. A. Yanovich,
T. V. Portnaya,
A. Ch. Burnos,
M. A. Kaskasian https://doi.org/10.29235/1561-8323-2025-69-4-342-352
Abstract
DNA testing of Landrace pigs was carried out for the genes RYR1, ESR, PRLR, MUC4, ECR F18/FUT1, H-FABP (allele systems H and D) and 15 DNA microsatellites. The frequency of occurrence of the preferred genotype for the RYR1NN gene was 100 %. The desired genotypes PRLRАА, H-FABPHH and H-FABPdd were identified in pigs with a frequency of 10.0–73.3 %, 33.3–84.0 % and 33.3–40.0 %, respectively. No animals were identified as being resistant to colibacillosis (ECRАА genotype). The majority of Landrace pigs at breeding farms were resistant to E. coli F4 and had the preferred genotype MUC4CC – 70.9 %. When analyzing population genetic parameters using microsatellite DNA data, 110 alleles were identified in animals. The number of alleles for the loci ranged from 3 to 10. The highest level of allelic diversity was identified in animals bred at SE “ZhodinoAgroPlemElita” – 5.40 alleles per locus. The accuracy of assignment of the studied animals to “their” respective population exceeds 98 %. A high degree of genetic similarity was identified among the Landrace breed animals of the studied populations. The coefficients of genetic similarity ranged from 0.795 to 0.874.
Keywords
genotyping,
pigs,
breed,
polymorphism,
genotypes,
concentration,
frequency,
allele,
markers,
locus,
microsatellite DNA
About the Authors
I. P. Sheiko
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Sheiko Ivan P. – Academician, D. Sc. (Agrarian), Professor, First Deputy Director General
11, Frunze Str., 222160, Zhodino
R. I. Sheiko
Institute of Genetics and Cytology of the National Academy of Sciences of Belarus
Belarus
Belarus
Sheiko Ruslan I. – Corresponding Member, D. Sc. (Agrarian), Professor, Chief Researcher
27, Akademicheskaya Str., 220072, Minsk
N. V. Pristupa
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Pristupa Natalia V. – Ph. D. (Agrarian), Head of the Laboratory
11, Frunze Str., 222160, Zhodino
E. A. Yanovich
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Yanovich Elena A. – Ph. D. (Agrarian), Leading Researcher
11, Frunze Str., 222160, Zhodino
T. V. Portnaya
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Portnaya Talina V. – Ph. D. (Agrarian), Leading Researcher
11, Frunze Str., 222160, Zhodino
A. Ch. Burnos
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Burnos Anton Ch. – Ph. D. (Agrarian), Leading Researcher
11, Frunze Str., 222160, Zhodino
M. A. Kaskasian
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Kaskasian Margarita A. – Junior Researcher
11, Frunze Str., 222160, Zhodino
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